CPS235W

User Manual: CPS235W

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SM0541
CP-S235W(C10SM2)

SERVICE MANUAL
Warning
The technical information and parts shown in this
manual are not to be used for the development,
design, production, storage or use of nuclear, chemical,
biological or missile weapons or other weapons of
mass destruction; or military purposes; or purposes that
endanger global safety and peace. Moreover, do not
sell, give or export these items or grant permission for
use to parties with such objectives. Forward all inquiries
to Hitachi Ltd.

Caution
Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radiation and materials, various measures are provided in this Hitachi Multimedia LCD Projector. Be sure to
read cautionary items described in the manual to maintain safety before servicing.

Service Warning
1. When replacing the lamp, avoid burns to your fingers. The lamp becomes very hot.
2. Never touch the lamp bulb with a finger or anything else. Never drop it or give it a shock. This may
cause bursting of the bulb.
3. This projector is provided with a high voltage circuit for the lamp. Do not touch the electric parts of
power unit (main) when the projector is turned on.
4. Do not touch the exhaust fan during operation.
5. The LCD module assembly is easily damaged. When replacing the LCD LENS/PRISM assembly, do
not hold the FPC of the LCD module assembly.
6. Use only the cables included with the projector or specified.

Contents
1.
2.
3.
4.
5.
6.
7.

Features --------------------------------------------------- 2
Specifications --------------------------------------------- 2
Part names ------------------------------------------------ 3
Adjustment ----------------------------------------------- 5
Troubleshooting ----------------------------------------11
Service notes -------------------------------------------- 16
Wiring diagram ----------------------------------------- 30

8. Assembly diagram-------------------------------------- 35
9. Replacement parts list ------------------------------- 38
10.RS-232C communication --------------------------- 39
11.Block diagram ------------------------------------------ 47
12.Connector connection diagram ----------------- 48
13.Basic circuit diagrams -------------------------------- 49

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Multimedia LCD Projector
March 2004 Digital Media Division

CP-S235 (C10SM2)

1. Features
Ultra high brightness
Whisper mode equipped
User memory function
Partial magnification function
Keystone distortion correction

2. Specifications
Liquid
Crystal
Panel

Drive system

TFT active matrix

Panel size

1.4cm (0.55type)

Number of pixels

800 (H) × 600 (V)

Lamp
Video Input

System
Level

160W UHB
NTSC, PAL (BGDHI), SECAM, PAL-M, PAL-N, NTSC4.43, PAL60
Composite 1.0 ±0.1Vp-p (75Ω termination)
S-Video Y : 1.0 ±0.1Vp-p (75Ω termination)
C : 0.286 ±0.1Vp-p (NTSC burst signal,75Ω termination)
0.3 ±0.1Vp-p (PAL/SECAM burst signal,75Ω termination)
Component

Y: 1.0 ±0.1Vp-p (75Ω termination)
CB/PB: 0.7 ±0.1Vp-p (75Ω termination)
CR/PR: 0.7 ±0.1Vp-p (75Ω termination)

RGB input /
output

Analog RGB
Sync.
Audio Input
Speaker output
Power supply
Power consumption
Dimensions
Weight

0.7Vp-p (75Ω termination)
TTL level
200mVrms, 50KΩ
1.0W (mono)
100~120VAC / 2.6A, 220~240VAC / 1.4A
240W
332(W) × 92(H) × 254(D) mm (No including protruding parts)
3.0Kg

Temperature

Operation : 0~35°C

Accessories

Remote control transmitter × 1
RGB cable × 1
(Power cord)
Strap for lens cap × 1
Rivet for lens cap × 1

2

Storage : -20~60°C
Battery × 2
Soft case × 1
User's manual operating guide (Book × 2 or CD-ROM × 1)
User's manual quick guide (Book× 1)
User's manual safety guide (Book× 1)

CP-S235 (C10SM2)

3. Part names
Projector
Zoom ring

Air filter cover
(An air filter is
inside.)

Focus ring
Lens
(The picture is
projected from
here.)

Remote sensor
Elevator button
Elevator feet

Lens cap
Projector (Front/Right)
INPUT button

POWER indicator

TEMP indicator

toggles between the signal
ports.

tells the state of power
supply. Refer to the section
“Power ON/OFF”.

lights or blinks when any
problem about internal
temperature has happened.

RGB

VIDEO
S-VIDEO

LAMP indicator

COMPONENT VIDEO

STANDBY/ON
button
prepares for turning the
power on/off. Refer to the
section “Power ON/OFF”.

TEMP
POWER

STANDBY/ON

INPUT

LAMP

lights or blinks when any
problem about the lamp has
happened.

MENU

MENU buttons
operate the menu function.

AUDIO

R port
L port
(from a video equipment)
S-VIDEO port
AUDIO OUT port
AC IN

AUDIO IN port
(from a computer)
VIDEO port

RGB OUT port

COMPONENT VIDEO - Y

USB port

COMPONENT VIDEO - CB/PB

RGB IN port

COMPONENT VIDEO - CR/PR

Power switch
AC inlet
CONTROL port

Projector (Rear/Left)

3

CP-S235 (C10SM2)

RGB button

SEARCH button

selects the input signal of
RGB port.

searches for an input
signal between the
following signal ports of
RGB, VIDEO, S-VIDEO
and COMPONENT VIDEO.

VIDEO button
toggles between the signal
ports of VIDEO, S-VIDEO
and COMPONENT VIDEO.

(STANDBY/ON)
button
prepares for turning the
power on/off.

AUTO button
executes automatic
adjustment.

BLANK button
blanks the screen
temporarily.

ASPECT button
toggles between the
modes for aspect ratio.

VOLUME button
VIDEO

MAGNIFY ON/OFF
buttons

RGB

SEARCH

ASPECT

turns on/off the MAGNIFY
mode.
In the MAGNIFY mode,
To move the
magnified area,
(1) Press the POSITION
button.
(2) Use the cursor buttons
to move the picture.
(3) Press the POSITION
button again to finish.
To shift the magnify
level,
use the cursor
/
buttons.

MAGNIFY

AUTO

BLANK

HOME

PAGE UP

VOLUME

END

PAGE DOWN

MUTE

ON

turns on/off the VOLUME
mode.
In the VOLUME mode,
To adjust the volume,
use the cursor
/
buttons.

KEYBOARD button

OFF
FREEZE

KEYSTONE

operate the PC screen.

MUTE button
mutes/restores the sound.
POSITION

MENU

ENTER

ESC

RESET

FREEZE button
freezes/reactivates the
picture.

KEYSTONE
button
turns on/off the KEYSTONE
mode.
In the KEYSTONE mode,
To adjust the
keystone,
use the cursor
/
buttons.

MENU button

POSITION button

ENTER button

turns on/off the POSITION
mode. (for RGB input)
In the POSITION mode,
To move the picture,
use the cursor buttons.

proceeds to the next operation
at the menu functions.
(Available for
operating PC screen)

ESC button
returns to the previous display
at the menu functions.
(Available for operating PC screen)

,
,
,
(Cursor) buttons

opens/closes the menu.

RESET button
cancels the adjustment in
progress.
* The adjustments of the
volume etc. are not reset.

works for adjusting or
menu controlling.
(Available for operating PC screen)

Remote control transmitter

4

CP-S235 (C10SM2)

4. Adjustment
4-1 Before adjusting
4-1-1 Selection of adjustment
When any parts in the table 4-1 are changed, choose
the proper adjusting items with the chart.

Table 4-1: Relation between the replaced part and adjustment
Replaced
part

Adjustment
White
Colour
AIR
Ghost
Flicker
NRSH
(Chap.4-2) (Chap.4-3) (Chap.4-4) balance uniformity SENSOR
(Chap.4-5) (Chap.4-6) (Chap.4-7)

Dichroic
optics unit
LCD/LENS
prism
assembly
Main
Board
Lamp
unit
assembly
Sensor
Board

: means need for adjustment.
: means recommended.
4-1-2 Setting of condition before adjustment
1. Before starting adjustment, warm up the projector
for about 10 minutes. (Blank white)
2. Set Zoom Wide to Max. And project an image
with more than 1m (40 type) in diagonal size.
3. Normalising the video adjustment.
(Press the [MENU] button of the Remote control
transmitter to display the MAIN menu. After
pressing the [ ] key, use the [ ] or [ ] key to

: means not need for adjustment.

4. Set the NORMAL at GAMMA in the PICTURE1
menu.
5. Perform all adjustments from the FACTORY MENU.
Perform the following operations to display the
FACTORY MENU.
a. Press the [MENU] button on the Remote control
transmitter (the MAIN menu will appear).
b. Select the [RESET] in the MAIN menu, and
then press the [ ] button.
c. Next, press the [RESET] button one time. And
hold the [RESET] button for 3 seconds or
more (the FACTORY MENU will appear).

select [RESET]. Next, open MAIN menu and
press the [ ] key to display the PICTURE1
menu. Choose RESET and perfom EXECUTE by
the same operation described above.
*note :The MAIN and PICTURE1 menu is not
reset with no signal.

4-2 Ghost adjustment
Adjustment procedure
1. Use DAC-P - GHOST - R: in the FACTORY MENU

Signals for internal adjustment

to adjust so that R colour ghost is at a minimum.

30%

30%

0/255

(Set the adjustment value to default, and then
raise the value. When a ghost appears to the left
of a vertical line, reduce the value by 4 steps.)
2. In the same way, use DAC-P - GHOST-G: in the
FACTORY MENU to adjust so that G colour ghost

112/255

is at a minimum.
3. In the same way, use DAC-P - GHOST-B: in the
FACTORY MENU to adjust so that B colour ghost
is at a minimum.
5

CP-S235 (C10SM2)

4-3 Flicker adjustment (V.COM adjustment)
Adjustment procedure
1. Make this adjustment after completing the
adjustment in 4-2 Ghost adjustment.
2. Use DAC-P - V.COM - R: in the FACTORY MENU
to adjust so that the flicker at the centre of the
screen is less than the flicker at the periphery.
(When the flicker is about the same across the
whole screen, adjust so that the flicker at the centre
of the screen is somewhat less than elsewhere.)
3. In the same way, use DAC-P - V.COM-G: in the
FACTORY MENU to adjust the G colour flicker.
4. In the same way, use DAC-P - V.COM-B: in the
FACTORY MENU to adjust the B colour flicker.

Signals for internal adjustment

4-4 NRSH adjustment (vertical stripe adjustment)

Adjustment procedure
1. Either of adjustment patterns as shown on the left
appears, which depends on the firmware version.
If any other pattern is displayed, press the
[ENTER] key on the remote control.
2. Use the DAC-P - NRSH - R: in the FACTORY MENU to
adjust so that the vertical stripes with one pixel width
every 6 pixels are as inconspicuous as possible.
(Note that when the adjustment value is lowered, stripes
with 6 pixels width every 12 pixels may appear on the
right side of the darkest or the 2nd darkest tone. Should
this happen, make as inconspicuous stripes as possible
on the whole screen.)
3. In the same way, use DAC-P - NRSH - G: in the
FACTORY MENU to adjust vertical stripes of G colour.

Signals for internal adjustment

160
/255

136
/255

112
/255

88
/255

64
/255

64/255
88/255
112/255
136/255
160/255

4-5 White balance adjustment (visual inspection)
Preparations
1. Perform these adjustments after the NRSH
adjustment described in Section 4-4.

2. Reset gamma correction before adjustment.
Place the cursor on [GAMMA] in the FACTORY
MENU, press the [RESET] key and select [DEFAULT].

Adjustment procedure
1. First, adjust the G colour.
2. Select GAMMA, SUB-CNT, and G: in the FACTORY
MENU. If the background is white solid, press the
[ENTER] key on the Remote control transmitter to
change to [G] monochrome in the 29-tone greyscale.
3. Adjust GAMMA, SUB-CNT, and G: in the FACTORY
MENU so that brightness of 29 steps is best.
4. Don’t adjust GAMMA, SUB-BRT, and G: in the
FACTORY MENU. Because we want to keep the
best contrast ratio.
5. Then adjust colours R and B.

6. Select GAMMA, SUB-CNT, and G: in the FACTORY
MENU. If the background is white solid, press the
[ENTER] key on the Remote control trasmitter to
change to [W] monochrome in the 29-tone greyscale.
7. Adjust GAMMA, SUB-BRT, R: and B: in the
FACTORY MENU so that low-brigtness white
balance is best.
8. Adjust GAMMA, SUB-CNT, R: and B: in the FACTORY
MENU so that middle-brightness white balance is best.
9. Repeat steps 7 to 8 above, and adjust so that
brightness white balance of 29 steps is best.
6

CP-S235 (C10SM2)

4-6 Colour uniformity adjustment
Preparations
1. Perform these adjustments after the white
balance adjustment described in Section 4-5.
2. Make a colour uniformity adjustment for the
following four tones.

6. To temporarily turn correction off, place the cursor
on [C.UNIF.] in the Adjust Tone menu and press the
[ ] key. The ON/OFF menu appears. Place the
cursor on [ON] with the [ ] key and press the [ ]
key. To turn it on again, place the cursor on [OFF]
and press the [ ] key.

MIN tone (approx. 3% input signal)
MID-L tone (approx. 13% input signal)
MID-H tone (approx. 22% input signal)

7. Although this adjustment can also be made using
internal signals, we will here use the [ENTER] key
on the Remote control transmitter to select the
following two signals.

MAX tone (approx. 50% input signal)
3. Place the cursor on [C.UNIF.] in the FACTORY
MENU and press the [ ] key. This displays the
Adjust Tone menu at the bottom of the screen.
To choose the tone to be adjusted, press the [ ]

Solid monochrome adjustment colour (use G
colour adjustment when a colour differential meter
is used).

key and then use the [ ] or [ ] key.
Select the major adjustment lattice point No. and
color, and then adjust them.
4. The major adjustment lattice point numbers (a
total of 17 points) corresponds to the major
adjustment lattice point positions in the diagram
on the right. The colour uniformity of the entire
screen can be adjusted by adjusting the white
balance for each of the points starting in order
from the low numbers.
5. Adjustment point No.1 should not be adjusted,
because it controls the brightness of the entire
screen.

Solid white (use for adjustment other than
above).
8. Reset colour-shading correction before adjustment.
When 4 tones and all colours are to be reset,
place the cursor on [C.UNIF.] in the FACTORY
MENU, press the [RESET] key and select
[DEFAULT].
When only 1 tone is to be reset, place the
cursor on the tone to be reset, press the
[RESET] key and select [DEFAULT].
Single tone and monochrome resets cannot be
performed.

FACTORY MENU

Major adjustment lattice point position

VID-AD
C. UNIF.
DAC-P
GAMMA
STRIPE

14

V/6
6

12

16

4

8

V/3
H/6

H/3

H/3

H/6

Adjust tone menu
10
C.UNIF

MIN

No. 1

R

0

G

0

B

2

5

9

11

Major adjustment lattice point No.

7

MAX

ON/OFF

3

V/3

MID-L
MID-H

1

0

15

ON
OFF

7

V/6

13

17

CP-S235 (C10SM2)
Adjustment procedure 1
(when a colour differential meter is used)
1. First adjust [MID-L] tone [G:].
2. Select adjustment point [No.2][G:].
When the background is not [G] monochrome,
press the [ENTER] key on the Remote control
transmitter to change to solid [G] monochrome.
3. Measure the illumination at adjustment points No.
2, No.3, No.10 and No.11.
The values should be:
No.2 = Y2 [lx]
No.10 = Y10 [lx]
No.3 = Y3 [lx]
No.11 = Y11 [lx]
4. No.2 and No.3 adjustment point have the average
of Y2 and Y3.
Y2 = ( Y2 + Y3 ) / 2 ±2 [%]
Y3 = ( Y2 + Y3 ) / 2 ±2 [%]
5. No.10 and No.11 adjustment point have the
average of Y10 and Y11.
Y10 = ( Y10 + Y11 ) / 2 ±2 [%]
Y11 = ( Y10 + Y11 ) / 2 ±2 [%]
6. Then adjust [MID-L] tone [R] and [B].
When the background is [G] monochrome, press
the [ENTER] key on the Remote control
transmitter to change to solid white.
7. Measure the colour co-ordinates of adjustment
point [No.1] and make a note of them.
Assume that they are x = x1, y = y1.
Note: W h e n t h e C L - 1 0 0 c o l o u r a n d c o l o u r
difference meter is used, the [ ](delta)

9. Similarly, measure adjustment points [No.3] to
[No.17] and adjust their colour co-ordinates starting
in order from the small number points.
This completes adjustments required for [MIN].
Note: Since excessive correction may lead to a
correction data overview during internal
calculations, use the following values for
reference.
[No.2] to [No.5] ±40 or less
[No.6] to [No.9] ±50 or less
[No.10] to [No.13] ±70 or less
[No.14] to [No.17] ±120 or less
10.Then adjust [MIN] tone [G] so that the adjustment
data set two times as much as [MID-L] tone [G].
This completes [G] colour adjustments.
11. Then adjust [MIN] tone [R] and [B].
Select [No.2] [B:] and press the [ENTER] key on
the Remote control transmitter to change to solid
white.
12.Measure the colour co-ordinates of adjustment
point [No.1] and make a note of them.
Assume that they are x = x1, y = y1.
13.N o w m e a s u r e t h e c o l o u r c o - o r d i n a t e s o f
measurement point [No.2] and adjust [No.2][R:]
and [B:] so that the co-ordinates are as follows.
x = x1 ±0.005 , y = y1 ±0.010 (Target)
x = x1 ±0.020 , y = y1 ±0.040
14.Similarly, measure adjustment points [No.3] to
[No.17] and adjust their colour co-ordinates starting
in order from the small number points.
This completes [MIN] tone adjustments.
15.Now make similar adjustments for [MID-H] tone.
(Adjust [MID-H] tone [G] so that the adjustment
data set half as many as [MID-L] tone [G].)
16.Now make similar adjustments for [MAX] tone.
(Adjust [MAX] tone [G] so that the adjustment
data set half as many as [MID-L] tone [G].)

mode is convenient. When adjustment
point [No.1] colour co-ordinate has been
selected, set the slide switch on the side to
[ ](delta) while holding down the [F] button
on the front panel. The measurement
shown after this displays the deviation from
measurement point 1.
8. Measure the colour co-ordinates of measurement
point [No.2] and adjust [No.2][R:] and [B:] so that
the co-ordinates are as follows.
x = x1 ± 0.005 , y = y1 ± 0.010

8

CP-S235 (C10SM2)
Adjustment procedure 2
(visual inspection)
1. First adjust [MIN] tone [G:].
2. Select [No.2] [G:].
If the background is [G] monochrome, press the
[ENTER] key on the Remote control transmitter to
change to solid white.
3. View measurement point [No.2] and [No.3].
Lower the [G] colour intensity only of the colour
point whose [G] colour is more intense than
measurement point [No.1].
4. View measurement point [No.10] and [No.11].
Lower the [G] colour intensity only of the colour
point whose [G] colour is more intense than
measurement point [No.1], and raise the intensity
of the point whose colour intensity is lower than
measurement point [No.1].
5. Now adjust the [MIN] tone for colours [R] and [B].

6. View measurement points [No.2], [No.3], [No.10]
and [No.11]. Adjust the [R] and [B] of each
measurement point so that they have the same
color as measurement point [No.1].
Adjustment technique:
First, adjust [B:] of the point whose colour is to be
adjusted so that it approximates that of [No.1]. If
[R:] is low at this time, the image will have cyan
cast, in which case [R:] is increased. On the other
hand, if [R:] is excessive, the image will have a
magenta cast, in which case [R:] is decreased.
Overall, a cyan cast makes it easy to see colour
shading.
7. Next, view measurement points [No.4], [No.5],
[No.12], [No.13] and make similar adjustments.
8. Then adjust measurement points [No.6], [No.7], [No.8],
[No.9], [No.14], [No.15], [No.16] and [No.17].
This completes the [MIN] tone adjustments.
9. Make similar another three tones as described in
steps 1 to 8 above.

No. 2 deviation range
14

10

16

12

6

4

8

2

1

3 11

5

9

7

15

No. 4 deviation range
14

10

16

12
6

4

8

2

1

3 11

5

9

7

15

No. 6 deviation range
14

10

16

12
6

4

8

2

1

3 11

5

9

7

15

No. 14 deviation range
14

10

6

4

8

2

1

3 11

5

9

7

15

16

12

13

6

4

8

2

1

3 11

5

9

15
14

10

6

4

8

2

1

3 11

5

9

15

10

10

4

8

2

1

3 11

5

9

10

10

15

4

8

2

1

3 11

5

9

13

6

4

8

2

1

3 11

5

9

16

6

4

8

2

1

3 11

5

9

No. 16 deviation range
14

10

12

15

9

16

6

4

8

2

1

3 11

5

9

7

17

13

10

12
4

8

2

1

3 11

5

9

15

13

17

No. 13 deviation range
14

10

12

16

6

4

8

2

1

3 11

5

9

15

17

13

No. 9 deviation range
14

10

12

16

6

4

8

2

1

3 11

5

9

15

13

17

No. 17 deviation range
14

10

12

15

16

6

4

8

2

1

3 11

5

9

7

17

16

6

7

17

13

14

7

17

12

7

6

16

13

No. 11 deviation range

7

17

12

15

16

12

9

14

No. 15 deviation range
14

5

13

No. 8 deviation range

17

13

3 11

7

6

15

1

15

16

12

2

14

No. 7 deviation range
14

8

No. 5 deviation range

17

13

4

7

16

12

6

15

No. 12 deviation range

7

17

10

16

12

14

17

13

7

17

13

10

No. 3 deviation range

16

12

7

17

13

14

7

17

13

No. 10 deviation range

13

17

CP-S235 (C10SM2)

4-7 AIR-SENSOR adjustment
When the MAIN board or the SENSOR board is replaced, perform this adjustment after
completing reassembling the projector.
1. Open SERVICE MENU and choose AIR-SENSOR by using

button.
Service menu comes up by following operation. Set the cursor on the OPTION menu and press the
MAGNIFY OFF button on the Remote controller. Next hold the MAGNIFY OFF button for 3 seconds or more.
2. Press the
button. Next press the [ ] button to select EXECUTE. The adjustment program runs

automatically.
3. After the massage of "END" is displayed, check the Offset value displayed according to the following spec
Spec. : 150 Offset: 227
4. If out of spec, confirm the below conditions Then retry the same adjustment.
Description
(a)

(c)

Installing the air filter correctly.
No obstruction and dust on air filter. (If not good condition, clean or replace
the air filter.)
Using the proper type of air filter.

(d)

Installing the SENSOR board correctly.

(e)

Connecting the proper wires to E7A1 and E981 firmly.

(f)

The component I7A2 on the MAIN board stands vertically

(g)

The component D981 on the SENSOR board stands vertically

(b)

5. If the all conditions above is okay, replace the MAIN board.

10

CP-S235 (C10SM2)

5. Troubleshooting
Check points

REMC
Board

00

#68

P701

E802

E801
E804

E803

E302

P501

E805

D841 E800

#6430

E7A1
E301

P601

MAIN Board

ESPL

D302
(TEMP)
D301
(POWER)

C

S301 S302
(P-ON) (INP)

EA01 EV01
E102

E101

D303
(LAMP)

TSW

ET01

E103

SENSOR Board

Rear view
ET01

CONTROL
Board

CNCT

EM01

11

CP-S235 (C10SM2)

Power cannot be turned on

Are
voltage input
at pins 1 , 3 , 5 , 7 of
E800 on the MAIN
board at standby
mode?
YES

1
3
5
7

Disconnect
TSW form Power unit
(circuit). And check
TSW short or
open?

NO

: +12V
: +17V
: +6.6V
: +4.1V

TSW

Short

Power unit (circuit)

What is the state of
TEMP indicator D302?

Open

Blinks

Fuse
on the Filter unit

DC FAN
Jump to * on the page 13

No light

What is the state of
LAMP indicator D303?

Blinks

No light

Is the LAMP DOOR
set?

OK

MAIN board

H (More than 12.6V)
MAIN board

Measure
voltage at the 2 of
E803 on the MAIN
board.
L (OV)
Limit SW board

12

NG

Set the LAMP DOOR

Filter unit

CP-S235 (C10SM2)

Lamp does not light

What is the
state of LAMP
indicator D303 during
operation?

Light

Is the LAMP
installation correct?

No light

NG

Install the Lamp

YES

Change the lamp.
Does lamp light?

Light

Lamp

Not light
Is the
voltage at the
1 of E804 on the
MAIN board fixed to "L"
during warming-up?

NO

YES

"L" = 0V

Power unit (ballast)

Power unit (circuit)

*
Blinks

DC FAN
(Lamp)

H (3.3V)

L (OV)

NO
(Fan lock)

DC FAN
(Panel)

What is the
state of TEMP indicator
D302?

Measure
sure voltage at the
cathode pin C of D841 on
the MAIN board.

Does the
signal at the pin 1
of E801 have a amplitude
of 3.3V and a frequency
of 40Hz or
more?

No light

Is the voltage
at the 3 of E804 on
the MAIN board
set to "L" during
warming-up?

YES

Power unit (ballast)

YES
(Normal)

Thermistor A
(#6430)

Infinity

Measure
the resistance of
external air sensor
between 1 and 2 of #6430.
(at disconnecting
from E302)
about 10k

MAIN board

13

MAIN board

NO
"L" = 0V

MAIN board

CP-S235 (C10SM2)

Picture is not displayed
when the RGB signal is input
Check at operating mode

Are
voltage input
at pins 1 , 3 , 5 , 7 of
E800 on the
MAIN board?
1
3
5
7

YES

NO

Power unit
(circuit)

: +12V
: +17V
:+6.6V
:+4.1V

MAIN board

LCD panel

Picture is not displayed when the
VIDEO, S-VIDEO, Component Signal is input
Check at operating mode
Are
voltage input at
pins 1 , 3 , 5 , 7 of
E800 on the
MAIN board?
YES

MAIN board

1
3
5
7

NO

: +12V
: +17V
: +6.6V
: +4.1V

Power unit (circuit)

LCD module assembly

14

CP-S235 (C10SM2)

No sound
Check at operating mode

Are
voltage input
at pin 1 , 3 , 5 , 7
of the E800 on the
MAIN board?

NO
Power unit (circuit)

YES
1
3
5
7

: +12V
: +17V
: +6.6V
: +4.1V

Turn off
the projector and
disconnect the Speaker
cable from ESPL.
Measure the resistance
of the Speaker.
0

about 8
MAIN board

or infinity

Speaker

No control to RS-232C
The check after parts change

Check the
RS-232C cable.
Are pin No. 2 and 3
crossed?

NO
Use cross cable

YES

Check the
power supply voltage
of E800 the voltage
correct?

NO
Power unit (circuit)

YES
MAIN board

15

1. PC power supply OFF
2. Connection of cable
3. Projector starting
4. PC starting
*When not operating :
PC set up change of cable.

CP-S235 (C10SM2)

6. Service notes
6-1 Lead-free solder [CAUTION]
This product uses lead-free solder (unleaded) to help preserve the environment. Please read these instructions
before attempting any soldering work.

CAUTION
Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead-free solder can
splatter at high temperatures (600˚C).

Lead-free solder indicator
Printed circuit boards using lead-free solder are engraved with an "F."

Properties of lead-free solder
The melting point of lead-free solder is 40-50˚C higher than leaded solder.

Servicing solder
Solder with an alloy composition of Sn-3.0Ag-0.5Cu or Sn-0.7Cu is recommended.
Although servicing with leaded solder is possible, there are a few precautions that have to be taken. (Not taking
these precautions may cause the solder to not harden properly, and lead to consequent malfunctions.)
Precautions when using leaded solder
Remove all lead free solder from soldered joints when replacing components.
If leaded solder should be added to existing lead free joints, mix in the leaded solder thoroughly after the leadfree solder has been completely melted (do not apply the soldering iron without solder).

Servicing soldering iron
A soldering iron with a temperature setting capability (temperature control function) is recommended.
The melting point of lead-free solder is higher than leaded solder. Use a soldering iron that maintains a high
stable temperature (large heat capacity), and that allows temperature adjustment according to the part being
serviced, to avoid poor servicing performance.
Recommended soldering iron:
Soldering iron with temperature control function (temperature range: 320-450˚C)
Recommended temperature range per part:

Part

Soldering iron temperature

Mounting (chips) on mounted PCB

320 ±30˚C

Mounting (chips) on empty PCB

380 ±30˚C

Chassis, metallic shield, etc.

420 ±30˚C

The boards using lead-free solder
MAIN board

POWER UNIT (BALLAST)

SENSOR board

POWER UNIT (CIRCUIT)

REMC board

FILTER UNIT

COVER SW board

16

CP-S235 (C10SM2)

6-2 Cautions when removing the MAIN board
When removing the MAIN board, there is danger of damaging the connector connecting cables.
1) Disconnect 11 cables and remove 4 screws.

ATTENTION
Handling FPC cable

Be careful not to add strong load, such as pulling or twisting the FPC cable.
If load is added to FPC cable, convergence may shift.
In case FPC cable is being removing, or when attaching, or when opening a intake LID, or when closing,
please carry out carefully and slowly so that load is not added to FPC cable.

4 screws

MAIN Board

2) Remove 2 screw.
2 screw
AC IN

3) Lift the rear of the MAIN board to the front.
FRONT

MAIN Board
Lift

REAR

Disconnect the 2 cables.

6-3 Cautions when removing the power unit (BALLAST)
When removing the cable (CNBAR) connected to Power Unit (BALLAST), there is danger of damaging the small
PCB connecting cables.
Disconnect the CNBAR from connector CN200,
CNBAR while pressing the sub-board

(to prevent the stress on the sub-board).

CN200

T102
CN100

Power Unit (BALLAST)

17

CP-S235 (C10SM2)

6-4 Before replacing the LCD/Lens prism
You should not separately replace the parts of the liquid crystal LCD/Lens prism because they only work properly
when used together. Therefore, you can either replace the LCD/Lens prism assembly or send the whole
LCD/Lens prism assembly unit back to HITACHI where we will replace the malfunctioning part,
G Panel
recondition the device and send it back to you.

DISTRIBUTOR

HITACHI
Do not disassemble the unit
because replacement of separate
parts is not possible.

Replacement of G Panel

Reconditioning

Return

6-5 Cleaning dust from panels and optical filters
1. Preparation
Prepare cleaning tools and materials as follows. Work in a relatively clean room so as to remove
additional dust while in removal operation.
(1) Swab for cleaning • • • • • • P#: NX08061, "Cotton stick L147"
(2) Air duster (Dust blower, spray can)
(3) Vacuum cleaner
2. Disassemble and open the maintenance hole.
(1) Turn off the projector, and unplug the power cord.
(2) Remove the top cover, according to the disassembling diagram of chapter 8.
(3) Remove the MAIN board, according to the Chapter 6-2.
(4) Remove the intake LID.

ATTENTION
Handling FPC cable

Be careful not to add strong load, such as pulling or twisting the FPC cable.
If load is added to FPC cable, Convergence may shift.
When the FPC cable is being removed, attached, when opening or closing a intake LID, perform the operation
carefully and slowly so that load is not added to FPC cable.
Release two latches
Intake LID

Lift
FPC cable

(5) Re-assemble the MAIN board and re-connect all the connectors.
18

CP-S235 (C10SM2)
3. Maintenance point
Swab
Holder
Optical filters
Panel

Actua l formation

Each colour part has same
construction.
By using swab and air duster,
you can easily remove dust from
panel and optical filters.

Separatied formation
ᴾ

4. Cleaning the panels and optical filters
(1) Turn on the set and lit on the lamp.
(2) Set blank screen to black or white.
(3) By using swab and air duster, remove the dust. While cleaning you can check the dust on screen.
• While removing the dust, separated dust will be
blown off by air cooling system.
• Please pay attention not to damage panel and
filters.

Swab
Panel

Holder

Air
Optical filters

5. Re-assembly
(1) Turn off the set and remove the MAIN board.
(2) Set the intake LID.
(3) Re-assemble the MAIN board.
(4) Re-assemble the set.
(5) While re-assembling, clean the intake LID and intake filter and filter cover using a vacuum cleaner.

19

CP-S235 (C10SM2)

6-5 Putting batteries

CAUTION
Always handle the batteries with care and use them only as directed. Improper use may result in battery
cracking or leakage, which could result in fire, injury and/or pollution of the surrounding environment.
• Keep the battery away from children and pets.
• Be sure to use only the batteries specified for use with the remote control. Do not mix new batteries with used ones.
• When inserting batteries, verify that the plus and minus terminals are aligned correctly (as indicated in the
remote control).
• When you dispose the battery, you should obey the law in the relative area or country.
1. Remove the battery cover.
Slide back and remove the cover in the direction of the arrow.

2. Insert the batteries.
Align and insert the two AA batteries according to their plus and minus terminals.
(as indicated in the remote control.)

3. Close the battery cover.
Replace the cover in the direction of the arrow and snap it back into place.

20

CP-S235 (C10SM2)

6-6 Air filter
The air filter should be cleaned about every 100 hours. If the indicators or a message prompts you to clean the
air filter, clean the air filter as soon as possible. If the air filter becomes clogged by dust or the like, internal
temperature rises and could cause malfunction.

WARNING
• Please carefully read the "User’s Manual - Safety Guide".
• Before replacing the air filter, make sure the power switch is off and the power cable is not plugged in.
• Use the air filter of the specified type only. Type number: NJ08292
• Do not use the projector with the air filter and filter cover removed. The use without the air filter could result in damage.

CAUTION
• Do not reset the filter timer without cleaning or replacing the air filter.
• If the air filter becomes clogged by dust or the like, internal temperature rises and could cause malfunction.
The power is automatically turned off in order to prevent the projector from overheating internally.
• When you replace the lamp, please replace also the air filter. The air filter may be attached to the replacement lamp.
Caring for the air filter
1. Turn off the projector and unplug the power cord.
2. Apply a vacuum cleaner to the top of the filter cover to clean the air filter.
3. Reset the filter timer, according to following "Reset The Filter Timer".
(1) Turn on the projector. While the projector running, press the MENU button
to open the menu.
(2) Choose the "OPTION" on the menu using the
/
button, then press

Filter Cover

the

button or ENTER button.
(3) Choose the "FILTER TIME" using the
/
button, then press and hold the
the RESET button of remote control for 3 seconds.
(4) Choose the "RESET" using the
button.

button of projector or

Replacing the air filter
If the soiling will not come off the air filter or it becomes damaged, then it needs to be replaced. Please replace
the air filter as soon as possible.
1. Turn off the projector and unplug the power cord.
Filter cover
2. Contact your local dealer to prepare a new air filter. Tell the dealer your air filter type
number.
3. After making sure that the projector has cooled adequately, remove the filter cover.
Hold the release buttons of the filter cover while pulling up it.
Release buttons
4. Hold the release buttons of the air filter while pulling down it.
5. Insert a new air filter and replace the filter cover.
6. Reset the filter timer, according to following "Reset The Filter Timer".
Release buttons
(1) Turn on the projector. While the projector running, press the MENU button to
open the menu.
(2) Choose the "OPTION" on the menu using the
/
button, then press the
button or ENTER button.
(3) Choose the "FILTER TIME" using the
/
button, then press and hold the
button of projector or the RESET button of remote control for 3 seconds.
(4) Choose the "RESET" using the
button.
21

Air filter

CP-S235 (C10SM2)

6-5 Lamp

WARNING

HIGH VOLTAGE

HIGH TEMPERATURE

HIGH PRESSURE

The projector uses a high-pressure mercury glass lamp. The lamp can break with a loud bang, or burn out,
if jolted or scratched, handled while hot or worn-out over time.
Note that each lamp has a different lifetime and some may burst or burn out soon after you start using them.
In addition, when the bulb bursts, it is possible for shards of glass to fly into the lamp housing and for gas
containing mercury to escape from the projector’s vent holes.
About disposal of a lamp • This product contains a mercury lamp; do not put in trash. Dispose of in accord
with environmental laws.
For lamp recycling, go to www.lamprecycle.org. (in USA)
For product disposal, contact your local government agency or www.eiae.org (in the US) or www.epsc.ca (in Canada).
For more information, call your dealer.

Disconnect the
plug from the
power outlet

• If the lamp should break (it will make a loud bang when it does), unplug the power cord from the
outlet and make sure to request a replacement lamp from your local dealer. Note that shards of
glass could damage the projector’s internals or cause injury during handling, so please do not
try to clean the projector or replace the lamp yourself.
• If the lamp should break (it will make a loud bang when it does), ventilate the room well and make
sure not to breathe the gas that comes out of the projector vents or get it in your eyes or mouth.
• Before replacing the lamp, make sure the power switch is off and the power cable is not plugged
in, then wait at least 45 minutes for the lamp to cool sufficiently. Handling the lamp while hot can
cause burns as well as damaging the lamp.
• Do not open the lamp cover while the projector is suspended from above. This is dangerous,
since if the lamp’s bulb has broken, the shards will fall out when the cover is opened. In addition,
working in high places is dangerous so ask your local dealer to have the lamp replaced even if
the bulb is not broken.
• Do not use the projector with the lamp cover removed. When replacing the lamp, make sure that
the screws are screwed in firmly. Loose screws could result in damage or injury.
• Use only the lamp of the specified type: DT00621.
• If the lamp breaks soon after the first time it is used, it is possible that there are electrical problems
elsewhere besides the lamp. If this happens, contact your local dealer or a service representative.
• Handle with care: jolting or scratching could cause the lamp bulb to burst during use.
• If the indicators or a message prompts you to replace the lamp (see the section “Related Messages” and “Regarding the indicator Lamps”), replace the lamp as soon as possible. Using the
lamp for long periods of time or past the replacement date could cause it to burst. Do not use
old (used) lamps; this is a cause of breakage.

22

CP-S235 (C10SM2)
Replacing the lamp
If the indicators or a message prompts you to replace the lamp, replace the lamp as soon as possible. Using the
lamp for long periods of time, or past the replacement date, could cause it to burst.

WARNING
• Please carefully read the “User’s Manual - Safety Guide”.

CAUTION
• Do not reset the lamp timer without replacing the lamp.
• When you replace the lamp, please replace also the air filter. The air filter may be attached when you buy a
replacement lamp for this projector. Please ask your dealer.
1. Turn off the projector and unplug the power cord. Allow the lamp bulb to cool
for at least 45 minutes and prepare a new lamp.
Lamp cover
2. After making sure that the projector has cooled adequately, slowly flip over the
projector so that the bottom is facing up.
Release
button
3. Hold the release button while sliding and taking the lamp cover up.
4. Unscrew the 2 screws and slowly pick up the lamp by the handles.
5. Insert the new lamp and tighten the 2 screws firmly to lock it in place.
6. Slide the lamp cover into place until it locks into position.
Handles
7. Slowly turn the projector so that the top is facing up.
8. Turn on the projector and reset the lamp timer. When the lamp has been
Screws
replaced after the message of "THE POWER WILL TURN OFF AFTER 0hr." is
displayed, complete the following operation within 10 minutes of switching
power on.
(1) While the projector running, press the MENU button to open the menu.
(2) Choose the "OPTION" on the menu using the
/
button, then press the
button or ENTER button
(3) Choose the "LAMP TIME" using the
/
button, then press and hold the
RESET button of remote control for 3 seconds.
(4) Choose the "RESET" using the
button.

23

button of projector or the

CP-S235 (C10SM2)

6-8 Notice of AUTO adjustment
Use of AUTO adjustment with the image through RGB input optimises V_POSI, H_POSI, H_SIZE and
H_PHASE automatically.
In case that projected image has dark tone around its peripheral, AUTO operation sometimes makes artifacts in
the image, shifts capture area and so on. Those failures are caused by period of image data is not exactly
distinguished to period of blanking on signal processing.
To avoid such phenomena, AUTO function should be used with the full size picture that has bright tone on its
peripheral.

Image when AUTO fails.

Image when AUTO operates correctly

Noting image of top or bottom lines.
Shift of the image to East or West.
Artifacts on image. Etc.
NOTE
• The phenomenon at the failure of AUTO adjustment depends on resolution of input source, scene of picture etc.
• There is no failure above in AUTO with video source through VIDEO, S-VIDEO or COMPONENT input. The reason
is why recognition of input signal’s standard does not need to search the capture range from input signal itself.

24

CP-S235 (C10SM2)

6-9 PIN LOCK System
If the following PIN BOX menu appears after power on the projector, the PIN LOCK system has been activated.
Under such a condition, key operations and signal displaying are inhibited. To open the PIN LOCK system, 4
correct PIN CODE digits need to be input. If correct PIN CODE is not input in 5 min., the lamp will be
automatically turned off.
PIN BOX
Input PIN Code

PIN BOX
Returning repaired unit
Use the Master PIN code. See the paragraph of Releasing the PIN LOCK system inactivation.
Swap unit/Returned unit
Inactivate the PIN LOCK system. See the paragraph of the PIN LOCK system inactivation.
Releasing the PIN LOCK System
When the PIN BOX menu is displayed, sequentially enter the codes with remote controller as follows. In
accordance with remote controller button entry, “ ” mark appears in the PIN BOX menu.
Master PIN codes
1st entry code: Press the “MENU ” button.
2nd entry code: Press the “ ” button.
3rd entry code: Press the “KEYSTONE” button.
4th entry code: Press the “ ” button.
Note: The Master PIN codes can be used up to 30 times. The codes cannot be used thereafter. If the Master
PIN codes cannot be used, see the following paragraph.
The PIN LOCK System inactivation
1. When the PIN BOX menu is displayed, press “RESET ” for 3 seconds or more in order to get the ID Inquiring
Code.
PIN BOX
Inquiring Code
12

1234

1234

Inquiring Code

PIN BOX (ID Inquiring Code)
2. Send the HITACHI sales company the Inquiring code (10 digits) to receive the correct PIN code.
3. With the PIN BOX menu displayed, input the correct PIN code. Enter the correct PIN CODE that has been
received.
4. Open the menu and select “TURN OFF” from the PIN LOCK items in the OPTION menu. Then the PIN BOX
menu appears.
5. Input the correct PIN code in the PIN BOX menu.
6. The OPTION menu then appears.
After the PIN LOCK system is inactivated, the PIN BOX is no longer displayed in the OPTION menu.
If the PIN LOCK items keep displaying, the PIN LOCK system is not inactivated. Input the correct PIN
CODE again.
25

CP-S235 (C10SM2)

6-10 Related messages
When the unit's power is ON, messages such as those shown below may be displayed. When any such
message is displayed on the screen, please respond as described below.
Message

Description

CHANGE THE LAMP
Lamp usage time is approaching 2000 hours. (*2)
AFTER REPLACING LAMP, Preparation of a new lamp and an early lamp change is recommended. After you have
changed the lamp, please be sure to reset the lamp timer.
RESET THE LAMP TIMER.
(*1)
CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIMER.
THE POWER WILL TURN OFF
(*1)
AFTER ** hr.

Lamp usage time is approaching 2000 hours. (*2)
A lamp change within ** hours is recommended. When lamp usage reaches 2000 hours,
the power will automatically be turned OFF. Please change the lamp by referring to the
"Lamp" section of this manual. After you have changed the lamp, please be sure to reset
the lamp timer.

CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIMER.
THE POWER WILL TURN OFF
AFTER 0 hr.

As lamp use has reached 2000 hours (*2), the power will soon be automatically turned
OFF.
Please immediately turn the power off and change the lamp by referring to the "Lamp"
section of this manual. After you have changed the lamp, please be sure to reset the lamp
timer.

NO INPUT IS DETECTED
ON ***

There is no input signal.
Please confirm the signal input connection and the status of the signal source.

SYNC IS OUT OF RANGE
ON *** fH *****kHz fV *****Hz

The horizontal or vertical wavelength of the inputted signal is outside of the response
parameters of this unit.
Please confirm the specs for this unit or the signal source specs.

CHECK THE AIR FLOW

The internal portion temperature is rising.
Please turn the power OFF and allow the unit to cool down at least 20 minutes. After
having confirmed the following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?

CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR FILTER.
AFTER CLEANING
THE AIR FILTER,
RESET THE FILTER TIMER.

A note of precaution when cleaning the air filter.
Please immediately turn the power OFF and clean or change the air filter by referring
to the "Air Filter" section of this manual. After you have cleaned or changed the air filter,
please be sure to reset the filter timer.
If the same message is displayed after the treatment, please clean the transparent area
of filter cover and the dust-detecting window, according to the following "Caring Of The
Transparent Area Of Filter Cover and The Dust-detecting Window" .

Note: (*1) • Although this message will automatically disappear after around 3 minutes, it will
reappear every time the power is turned ON.
(*2) • Lamps have a finite product life. Lamps are characterised by the fact that, after long hours of usage, a
lamp will no longer light or the lamp will break or burst, etc. This unit is equipped with an automatic shutdown function such that the power will automatically be turned OFF when lamp usage time has reached 2,000
hours. Please be aware, however, that among lamp types there are major differences in product lifetimes; a
lamp may thus fail to light even prior to the functioning of the automatic shut-down function of this unit.
Caring of the Transparent Area of filter cover and the dust-detecting window.
The transparent area of filter cover and the dust-detecting window should be cleaned for normal operation of the
optical dust detecting system. Pay attention not to leave fibre or fragment from a cleaning cloth inside the duct.
Filter cover
Filter cover
1. Turn off the projector and unplug the power cord.
2. After making sure that the projector has cooled
adequately, remove the filter cover.
Hold the release buttons of the filter cover while
pulling up it.
Release buttons
Transparent area
3. Wipe the transparent area of the filter cover by using
a swab or a soft cloth.
Release buttons
4. Remove the air filter.
Hold the release buttons of the air filter while pulling
down it.
5. Wipe the dust-detecting window by using a soft cloth.
Dust detecting
Air filter
(Bottom side) (Rear side) window
6. Replace the air filter and filter cover.
26

CP-S235 (C10SM2)

6-11 Indicator lamps

ATTENTION
When the interior portion has become overheated, for safety purposes, the power source may be automatically
turned off and the indicator lamps may also be turned off. In such a case, press the "○" (OFF) side of the power
switch and wait at least 45 minutes. After the unit has sufficiently cooled down, please confirm the attachment
state of the lamp and lamp cover then turn the power on again.
Lighting and flashing of the POWER indicator, the LAMP indicator and the TEMP indicator have the meanings
as described in the Table below. Please respond in accordance with the instructions within the Table.
POWER
indicator

LAMP
TEMP
indicator indicator

Description

Lights in
orange

Turned
off

Turned
off

The unit is in a standby state. Please refer to the "Power ON/OFF" section of this manual.

Flashes
in green

Turned
off

Turned
off

The unit is warming up. Please wait.

Lights
green

Turned
off

Turned
off

The unit is in an ON state. Ordinary operations may be performed.

Flashes
in orange

Turned
off

Turned
off

The unit is cooling down. Please wait.

Blinks in
red

-

-

Lights or
blinks in
red

Lights
in red

Turned
off

The unit is cooling down. A certain error has been detected. Wait until the POWER
indicator has finished flashing and then perform the proper response measure using the
item descriptions below as reference.
The projector lamp has not been properly fixed (attached), the projector lamp does not
light and/or there is a possibility that the interior portion has become heated. Turn the
power OFF and wait at least 20 minutes. After the unit has sufficiently cooled down,
please make confirmation of the following items and then turn the power ON again. If the
same indication is displayed, please change the lamp.
• Is there blockage of the air passage aperture?
• Is the air filter is dirty?
• Does the peripheral temperature exceed 35°C?

Lights or
blinks in
red
Lights or
blanks
in red

Lights or
blinks in
red

Blinks
in red

Turned
off

Turned
off

Blinks
in red

The lamp cover has not been properly fixed (attached). Turn the power OFF and wait at
least 45 minutes. After the unit has sufficiently cooled down, please make confirmation of
the attachment state of the lamp and lamp cover and then turn the power ON again.
The cooling fan is not operating. Turn the power OFF and wait at least 20 minutes. After
the unit has sufficiently cooled down, please make confirmation of the following item and
then resent the power to ON.
• Is there no foreign matter caught in the cooling fan?

Turned
off

Lights
in red

There is a possibility that the interior portion has become heated. Turn the power OFF
and wait at least 20 minutes. After the unit has sufficiently cooled down, please make
confirmation of the following item and then resent the power to ON.
• Is there blockage of the air passage aperture?
• Is the air filter is dirty?
• Does the peripheral temperature exceed 35°C?

Lights in
green

Lights in
green

There is a possibility that the interior portion has become overcooled. Please use the unit
Alternative blinking
within the usage temperature parameters (0°C to 35°C). After the treatment, resent the
in red
power to ON.
Simultaneous
blinking in red

It is time to clean the air filter, or there is no air filter. Please immediately turn the power
OFF and clean or change the air filter by referring to the "Air Filter" section of this manual.
After you have cleaned or changed the lamp, please be sure to reset the filter timer. After
the treatment, resent the power to ON.

27

CP-S235 (C10SM2)

SERVICE MENU
To display the OSD for “SERVICE MENU” set up.
SERVICE MENU
C10S
FANSPEED
B-SPEED
DURABLE
VIDEO NR
LENS
FILTER TIME
MUTE COLOR
AIR-SENSOR

By the control panel

By the remote control transmitter

1. Display the menu by the “MENU”
button.
2. Select the “OPTION” on the menu.
3. Continue press the button “ ” first,

1. Display the menu by the “MENU”
button.
2. Select the “OPTION” on the menu.
3. Press the “MAGNIFY OFF” button.
then press the button “ ” together
Next hold the “MAGNIFY OFF” button
with “INPUT”, and hold for 3 seconds.
for 3 seconds.

Setup of cooling fan speed
When using this projector in the place where altitude is high, we recommend you to set a cooling fan’s speed as
“HIGH”. It is because the cooling efficiency of a projector falls and the temperature inside a projector rises easily
in such a place since the density of air becomes low.

Setting method of cooling fan speed
1. Select the “FAN SPEED” on the OSD using button “ ”.
Next press the “ ” to select “FAN SPEED MENU” by the SERVICE MENU.
SERVICE MENU
FANSPEED
HIGH
NORMAL

2. Select the “HIGH” on the OSD using the button “

”. To reset this setup, select the “NORMAL” using the

button “ ”.
3. The OSD will be ended by no operation for 10 seconds or change of input signal. To end immediately, use
one of buttons except buttons “ ”, “ ”, “ ”, “ ”.
NOTE • The “HIGH” mode makes the fan noisy than “NORMAL” mode.
• The recall of factory setting sets the fan speed to “NORMAL” mode. You must set the fan speed after recall of
factory setting if you need “HIGH” mode.

28

CP-S235 (C10SM2)

Setup of filter time (“ON” or “OFF”)
1. Select the “FILTER TIME” on the OSD using button “ ” .
Next press the “ ” to select “FILTER TIME MENU” by the SERVICE MENU.
SERVICE MENU
C10S
FANSPEED
B-SPEED

SERVICE MENU
FILTER TIME

DURABLE
VIDEO NR

ON

LENS

OFF

FILTER TIME
MUTE COLOR
AIR-SENSOR

2. ON : Select the “ON” on the OSD using button “ ”.
OFF : Select the “OFF” on the OSD using button “ ”.
3. The OSD will be ended by no operation for 10 seconds or change of input signal. To end immediately, use one
of buttons except buttons “ ”, “ ”, “ ”, “ ”.

Set operating time display method (accumulated lamp time display method)
1. Select [Option] from the [Menu] display, then select [Lamp Time].
2. Press the [Reset] button once, then press [Keystone] for 3 seconds or more to display the screen shown
below. (The menu will close after 10 seconds if there are no further operations.)
3. Use “ ” or “ ” to select the usage status number. (The usage status is as shown below.)
OPTION
RUN TIME
1234h
On

00012

Off

00011

Time
Number of times on
Number of times off

No.0

Usage status number (See below)
Usage status number
0 ..... Total usage status
1 ..... Current usage status
2 ..... Usage status before first reset
3 ..... Usage status before second reset
||
9 ..... Usage status before seventh reset

29

Circuit power board wiring
(1) Connect TSW.
(2) Connect CNPOW and FEB3.
(3) Connect FEB2.
(4) Connect CN1,CD2,FEB1, and FEB5.

Ballast power board wiring
(1) Connect CNBAR.

CNBAR
CD2

Attach FEB1
FEB1 (ferrite core)
to CN1 and CD2.

CN1

Confirm that CN200 is connected properly.
(confirmation is not possible later)

Attach FEB3 (ferrite core)
to CNPOW.
Do not wedge lead.

Lock completely when
connecting CN1 connector.

FEB3

CN3

CN200

CN101

CNPOW

CN100

T201

FEB2

TSW

CN103

30
Lock completely when
connecting CNPWR
connector to CN101.

Attach FEB2 (ferrite core)
to CNPWR and keep
close to board.

Confirm that CN102 and CN103
are connected properly
(confirmation is not possible later).
Installation details for the CNCT, FEB9 and Z3 are as per the
following diagram.

Control - Main board wiring
(1) Connect CNCT.


Z3
Control board

CNCT

I/O metal (back)

Place the wiring in the notch that runs along the control board,
fasten down the FEB9 that was installed in the CNCT with a Z3
(band) and cut off any excess length.
Then, Wiring the CNCT into the FEB9 brings near to the notch in
the Control board and Z3 should be fixed directly to FEB9.
Z3
EM01

EM01

ET01
Main board

FEB9

Wiring diagram 1 (C10SM2)

Install the FEB9 (ferrite core) in the FEB9
CNCT. Wind the CNCT three times
Control board
around the FEB9 making sure that it
passes through it four times.

CNCT

CP-S235 (C10SM2)

T102

CN102
CNPWR

7. Wiring diagram

Circuit/ballast power board, Control - Main board wiring

Power block wiring (board block SUB ASS'Y)

After attaching ballast power block
(1) Secure FEB3.

Attaching ballast power block
(1) Connect and wire CNPWR.
(2) Wire lamp lead.
(3) Wire CN1 and CD2.
(4) Wire TSW and CNPOW.

CN1

CNPOW

Pass CN1 and CD2 through circuit power case fastener.
Caution: Parts differ for C10S and C10H.

CD2

CNBAR Pass CNBAR through ballast
power case fastener.

Lamp
lead
Pass lamp
lead through circuit
power case fastener.

FEB3

31

TSW
CN100
FEB2

CP-S235 (C10SM2)

CNPOW

CNPWR

Knot

Pass TSW and CNPOW
through ballast power case fastener.

Lock CNPWR completely when connecting the connector
to ballast power CN100. Arrange the lead as shown
and attach FEB2 close to the circuit power.
Do not wedge in cooling wheel or igniter transformer.

Z2

Assembly procedure
(1) Pass CNBAR through ballast power block fastener and lock.
(2) Pass CN1 and CD2 through circuit power block fastener and lock.
(3) Connect one end of CNPWR to ballast power.
(4) Pass lamp lead through circuit power block fastener and lock when attaching
ballast power block to circuit power block.
Pass TSW and CNPOW through ballast power block fastener and lock.

Wiring diagram 2 (C10SM2)

Pass tie band through side hole
of ballast power case and secure FEB3.
Bind the band on back side of set
and crop loose end to minimize hindrance
when attaching upper case.
However, if any excess length of the SK
binder (Z2) comes into contact with the
projector lens, cut the excess off.

Guide leads away from optical unit
positions to prevent leads from
becoming wedged when mounting
optical unit.

Bottom case assembly
(1) Do not wedge wires when mounting optical unit.
This section of the FG was bent by
the manufacturer, operators must
not touch this.
Filter
board

Pass wire
between PBS
duct and optical
unit.
FG

#6430

Pass the A83
leads twice
through the
FEBA.

Z4

Arrange speaker and internal air sensor leads
as shown below. Extract the speaker leads
from the right hand side of the rear panel.
Ensure external air sensor lead is hooked on
optical unit hook. (To prevent lead getting
caught when attaching main board.)
Speaker

Speaker

Sensor
A83

Optical
unit

Bottom
FEBA case

A83

#6800

32

CNLC

CN2
Intake
upper
CNRM
#6460

R/C
board

#6460
ZTP5
ZTP4

Secure ZTP4 and ZTP5
with tape to prevent #6460
connector lead from overlapping.

Wiring diagram 3 (C10SM2)

CP-S235 (C10SM2)

When wiring the
FG, bend the cables
Fuse
that are in the vicinity
of the fuses for the
filter board and make
FG
sure that the cables
do not come into
contact with
Power case
anything on
the filter board.

After fastening
down the FEBA
to the Z4 on the
ribs of the bottom
Rib case, cut off any
excess length.

40 50mm

Bottom case assembly wiring

Power block integration wiring

Guide leads away from duct positions to prevent leads
from becoming wedged when mounting ducts.

Power block integration
(1) Connect CN1.
(2) Secure FG, CD2 and CNSH to power block with screw.
(3) Connect and wire lamp lead
Attach FEB4 as shown
SW
board
_
80+10mm

Use caution to prevent CN1,
FG and CD2 being pinched by
the bottom case during
installation of the optical engine,
exhaust duct, etc.
Lock completely when connecting
CN1 connector to CN2.
CN1

FG

CD2

Fasten CNSH, FG, CD2, and crown washer
to power case with a screw as shown below.
Ring lug

CNSH

Power case

Angle each round
terminal to prevent
hitting duct or power
case as shown right.

Bend crimped part
o
of leads to 45 for
CD2 FG and CD2 round
FG terminals as shown
CD2
below.
FG

#6430

Power
case

CNSH
CNSH

Lamp
lead

A83
#6800

FEB4

CNBAR

CNRM

CNLC

FEB6
FEB6
0 5mm
Pull CN1 and CN2 leads in direction of arrow and
arrange along power case.
(To prevent leads getting caught when attaching OPT unit
and lamp house.)

CD2
CN1
Filter board

FEB1

33

CNSH

Run CNSH
through FEB5
four times
and then
clamp it down.

#6460

CNPOW

TSW

Lamp
lead
POWER CASE

Wiring diagram 4 (C10SM2)

R/C
board

CP-S235 (C10SM2)

CN
CN2

Confirm that lamp lead is
embedded properly into rib on
underside of bottom case.
Confirm same for erect part.
Ensure erect part of lead does
not protrude from rib.
(To prevent lead getting caught
between duct and rib.)

2. Mounting drive board
(1) Connect CNPOW and #6460 (Underside of board: exercise caution).
(2) Connect CNBAR, CNLC, A83, #6800, #6430, CNRM, CNME, #3055,
and CNSH connectors.
Screw CNSH as shown below.
(3) Connect LCD panel cable.

Duct and drive board mounting wiring
1. Mounting duct
(1) Do not wedge lamp lead.
(2) Do not wedge CNLC and CN1.
(3) Attach TSW

Check that TSW marking reads
"YS11A90A-**," and assemble TSW
with marked surface down.

Arrange CNSH lead
between main board
and sub board shield
(to prevent wedging
between main board
and upper case).
CNSH

CNPOW

back side of set
Arrange #6460 lead
eliminating slack and
secure with fastener
#6460 located on top of power
block (to prevent interference
with projection lense).

CNLC

EM01

Control board

LED
board
Pass CNME, #6430, and A83
leads below LED board fitting
and arrange in groove located
at top of ventilation duct.
#6800 Pull lead toward front of set
as shown and maintain slack.
(To prevent lead getting
CNME
caught in upper case rib.)

ESPL
E301

Main board
P601

E800
CN
1

E7A1

34

P501

E804
E803 E802

E302

Attach flexible cable as shown below.

P701
E805

FEB8

CNRM

Pay attention
to angles.
75 90 o

CNRM

FEB8

ZTP2
Guide TSW along
duct groove and
secure to ZTP2
with tape.

#3055

CNBAR

CNPC FEB7

Secure CNBAR and
#6460 with fastener
located on top of
power block.

#6430
0 5mm

Run CNPC through FEB7
and then clamp it down.

Wiring diagram 5 (C10SM2)

R/C
board

flexible Cable
Connector
base
Insert flexible cable into connector
base properly.
(Confirm cable facing correct direction
as connector is top contact type.)
Move lock hinge in direction of
arrow and lock properly.

Nestle the FEB8 in the remote control board so that it will not move,
then tape the CNRM leads to the ZTP1 on the insides of the bottom
case. (This prevents the leads from getting pinched by the screw
clamp bosses on the upper and bottom cases and also prevents
the adjustable feet on the cases from coming into contact with
each other.)

CP-S235 (C10SM2)

Lamp
lead

E801

CNSH
Shield
Main board
I/O metal

A83

ET01

Duct

Down 45o

CP-S235 (C10SM2)

8. Disassembly diagram
(Notice 3)

M: Machine screw
T: Tapping screw

1

M3x10

Lamp fan/duct
T3x16
T3x12

28

3
2
M3x6(lock)

21

T2x5

Dichroic optics unit
LCD/Lens prism

22

18
T3x12

Power supply
unit

T3x12
T3x12

20

M4x8

27

(Notice 1)

T3x12
10

12

T3x12

(Notice 5)

9

7
T3x12
(black)

M3x10

(Notice 4)

25

4
26

5

6
T3x12(black)

8

6

35

19

CP-S235 (C10SM2)

M: Machine screw
T: Tapping screw

Power supply
unit

Dichroic optics unit
LCD/Lens prism

M3x8(black)

17

23

30

(Notice 2)

16

M3x8
29

M3x8

14

13
M3x6

24

16

M3x30
M3x8(black)

M3x30

MAIN Board

M3x30

Lamp fan/duct
11

M3x6
M3x10
M3x10
T3x8

T3x35

T3x35
15
31

36

CP-S235 (C10SM2)

Notice
1. After attaching MAIN board assembly to case with

4. Align shield case joints.

M3x6 lock screws, tighten screws on back of

Outside

bottom case.
2. To remove power board from shield case, push
board in direction of arrow, and unlock catches (a)
and (b) on board holders with screwdriver. (Lift
board toward (d).)
Unlock catch (c) with screwdriver and remove
holding (e).
(b)

(d)
(c)
Outside

(a)

(e)

3. Swivel case as shown below when attaching or
dismantling upper case.
in direction Ԙ,
Ԙ Insert
then swivel in direction ԙ.

REMC board

5. Attach lamp case bracket as shown below after
removing dichroic optics unit and duct assembly.
Lamp case bracket

ԙ
sensor board

Ԛ
Insert while pulling back.

Precautions
Swivel case to avoid
applying pressure to
projection lens when
mounting. Same applies
to REMC board and
sensor board.

Fit attaching ribs on upper case
and bottom case together correctly.

37

Bottom case

CP-S235 (C10SM2)

9. Replacement Parts list

THE UPDATED PARTS LIST
FOR THIS MODEL IS
AVAILABLE ON ESTA

Power cord

RGB cable

38

Remote control

CP-S235 (C10SM2)

10. RS-232C communication
Connecting the cable
(1) Turn off the projector and the computer power supplies.
(2) Connect the CONTROL port of the projector with a RS-232C port of the computer by a RS-232C cable. Use
the cable that fulfills the specification shown in the following figure.
(3) Turn on the computer power supply and after the computer has started up, turn on the projector power
supply.

Projector

RS-232C cross cable

CONTROL
port
1

2
6

3
7

4
8

RD
TD

5

5

9

4
9

3
8

2
7

1

D-sub 9-pin
jack

D-sub 9-pin
plug

GND

6

RTS
CTS

1
2
3
4
5
6
7
8
9

1
2
3
4
5
6
7
8
9

Computer
RS-232C port

CD
RD
TD
DTR
GND
DSR
RTS
DTS
RI

5

4
9

3
8

2
7

1
6

D-sub 9-pin
jack

Communications setting
19200bps, 8N1
1. Protocol
Consist of header (7 bytes) + command data (6 bytes).
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low : Lower byte of CRC flag for command data
CRC_high : Upper byte of CRC flag for command data
3. Command data
Command data chart
byte_0

byte_1

byte_2

Action
low

byte_3

byte_4

Type
high

low

byte_5

Setting code
high

low

high

Action (byte_0 - 1)
Action

Classification

Content

1

SET

Change setting to desired value.

2

GET

Read projector internal setup value.

4

INCREMENT

Increment setup value by 1.

5

DECREMENT

Decrement setup value by 1.

6

EXECUTE

Run a command.

39

1

2
6

3
7

4
8

5
9

D-sub 9-pin
plug

CP-S235 (C10SM2)
Requesting projector status (Get command)
(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes)+‘00H’+‘00H’) from the
computer to the projector.
(2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.
Changing the projector settings (Set command)
(1) Send the setting code Header + Command data (‘01H’+‘00H’+ type (2 bytes) + setting code (2 bytes)) from
the computer to the projector.
(2) The projector changes the setting based on the above setting code.
(3) The projector returns the response code ‘06H’ to the computer.
Using the projector default settings (Reset Command)
(1) The computer sends the default setting code Header + Command data (‘06H’+‘00H’+ type (2 bytes) +‘00H’+
‘00H’) to the projector.
(2) The projector changes the specified setting to the default value.
(3) The projector returns the response code ‘06H’ to the computer.
Increasing the projector setting value (Increment command)
(1) The computer sends the increment code Header + Command data (‘04H’+‘00H’+ type (2 bytes) +‘00H’+
‘00H’) to the projector.
(2) The projector in creases the setting value on the above setting code.
(3) The projector returns the response code ‘06H’ to the computer.
Decreasing the projector setting value (Decrement command)
(1) The computer sends the decrement code Header + Command data (‘05H’+‘00H’+ type (2 bytes) +‘00H’ +
‘00H’) to the projector.
(2) The projector decreases the setting value on the above setting code.
(3) The projector returns the response code ‘06H’ to the computer.
When the projector cannot understand the received command.
When the projector cannot understand the received command, the error code ‘15H’ is sent back to the computer.
Sometimes the projector cannot properly receive the command. In such a case, the command is not executed
and the error code ‘15H’ is sent back to the computer. If this error code is returned, send the same command
again.
When the projector cannot execute the received command.
When the projector cannot execute the received command, the error code ‘1cH’ + ‘xxxxH’ is sent back to the
computer. When the data length is greater than indicated by the data length code, the projector ignore the
excess data code.
Conversely when the data length is shorter than indicated by the data length code, an error code will be returned
to the computer.
NOTE • Operation cannot be guaranteed when the projector receives an undefined command or data.
• Provide an interval of at least 40ms between the response code and any other code.
• The projector outputs test data when the power supply is switched ON, and when the lamp is lit. Ignore this data.
• Commands are not accepted during warm-up.

40

CP-S235 (C10SM2)

Command data chart
Names

Operation type
Get

BE EF

03

Keystone

Increment
Decrement

BE EF
BE EF

03
03

Keystone Reset

Execute

BE EF

Get
Brightness

Command data

Header

CRC

Action

Type

Setting code

06 00

B9 D3

02 00

07 20

00 00

06 00
06 00

DF D3
0E D2

04 00
05 00

07 20
07 20

00 00
00 00

03

06 00

08 D0

06 00

0C 70

00 00

BE EF

03

06 00

89 D2

02 00

03 20

00 00

Increment

BE EF

03

06 00

EF D2

04 00

03 20

00 00

Decrement

BE EF

03

06 00

3E D3

05 00

03 20

00 00

Brightness Reset

Execute

BE EF

03

06 00

58 D3

06 00

00 70

00 00

Get

BE EF

03

06 00

FD D3

02 00

04 20

00 00

Contrast

Increment

BE EF

03

06 00

9B D3

04 00

04 20

00 00

Decrement

BE EF

03

06 00

4A D2

05 00

04 20

00 00

Execute

BE EF

03

06 00

A4 D2

06 00

01 70

00 00

Contrast Reset

Aspect

Whisper

Set

Set

4:3

BE EF

03

06 00

9E D0

01 00

08 20

00 00

16:9

BE EF

03

06 00

0E D1

01 00

08 20

01 00

15:9

BE EF

03

06 00

6E D0

01 00

08 20

03 00

32:15

BE EF

03

06 00

5E D2

01 00

08 20

04 00

WIDE

BE EF

03

06 00

CE D3

01 00

08 20

05 00

ZOOM

BE EF

03

06 00

3E D3

01 00

08 20

06 00

Get

BE EF

03

06 00

AD D0

02 00

08 20

00 00

NORMAL

BE EF

03

06 00

3B 23

01 00

00 33

00 00

WHISPER

BE EF

03

06 00

AB 22

01 00

00 33

01 00

BE EF

03

06 00

08 23

02 00

00 33

00 00

Get

Set
Mirror

Normal

BE EF

03

06 00

C7 D2

01 00

01 30

00 00

H Inverse

BE EF

03

06 00

57 D3

01 00

01 30

01 00

V lnverse

BE EF

03

06 00

A7 D3

01 00

01 30

02 00

H&V Inverse

BE EF

03

06 00

37 D2

01 00

01 30

03 00

BE EF

03

06 00

F4 D2

02 00

01 30

00 00

Get

41

CP-S235 (C10SM2)

Names

Language

Operation type

Set

CRC

Action

Type

Setting code

English

BE EF

03

06 00

F7 D3

01 00

05 30

00 00

FRANÇAIS

BE EF

03

06 00

67 D2

01 00

05 30

01 00

Deutsch

BE EF

03

06 00

97 D2

01 00

05 30

02 00

ESPAÑOL

BE EF

03

06 00

07 D3

01 00

05 30

03 00

Italiano

BE EF

03

06 00

37 D1

01 00

05 30

04 00

Norsk

BE EF

03

06 00

A7 D0

01 00

05 30

05 00

Nederlands
PORTUGUÊS

BE EF

03

06 00

57 D0

01 00

05 30

06 00

BE EF

03

06 00

C7 D1

01 00

05 30

07 00

日本語

BE EF

03

06 00

37 D4

01 00

05 30

08 00

中文

BE EF

03

06 00

A7 D5

01 00

05 30

09 00

BE EF

03

06 00

57 D5

01 00

05 30

0A 00

BE EF

03

06 00

C7 D4

01 00

05 30

0B 00

SVENSKA

Gamma

Set

Custom Gamma

Custom
Colour Temp

Set

BE EF

03

06 00

F7 D6

01 00

05 30

0C 00

SUOMI

BE EF

03

06 00

67 D7

01 00

05 30

0D 00

POLSKI

BE EF

03

06 00

97 D7

01 00

05 30

0E 00

Get

BE EF

03

06 00

C4 D3

02 00

05 30

00 00

NORMAL

BE EF

03

06 00

C7 F0

01 00

A1 30

00 00

CINEMA

BE EF

03

06 00

57 F1

01 00

A1 30

01 00

DYNAMIC

BE EF

03

06 00

A7 F1

01 00

A1 30

02 00

CUSTOM

BE EF

03

06 00

07 FD

01 00

A1 30

10 00

Get

BE EF

03

06 00

F4 F0

02 00

A1 30

00 00

Get

BE EF

03

06 00

08 F1

02 00

A0 30

00 00

Increment

BE EF

03

06 00

6E F1

04 00

A0 30

00 00

Decrement

BE EF

03

06 00

BF F0

05 00

A0 30

00 00

USER

BE EF

03

06 00

3B F8

01 00

B0 30

10 00

HIGH
MIDDLE

BE EF
BE EF

03
03

06 00
06 00

0B F5
9B F4

01 00
01 00

B0 30
B0 30

03 00
02 00

LOW

BE EF

03

06 00

6B F4

01 00

B0 30

01 00

BE EF

03

06 00

C8 F5

02 00

B0 30

00 00

50

BE EF

03

06 00

57 F7

01 00

B1 30

05 00

60

BE EF

03

06 00

C7 F6

01 00

B1 30

04 00

70
80
90
100

BE EF
BE EF
BE EF
BE EF

03
03
03
03

06 00
06 00
06 00
06 00

F7 F4
67 F5
97 F5
07 F4

01 00
01 00
01 00
01 00

B1 30
B1 30
B1 30
B1 30

03 00
02 00
01 00
00 00

BE EF

03

06 00

34 F4

02 00

B1 30

00 00

50

BE EF

03

06 00

13 F7

01 00

B2 30

05 00

60

BE EF

03

06 00

83 F6

01 00

B2 30

04 00

70

BE EF

03

06 00

B3 F4

01 00

B2 30

03 00

80

BE EF

03

06 00

23 F5

01 00

B2 30

02 00

90

BE EF

03

06 00

D3 F5

01 00

B2 30

01 00

100

BE EF

03

06 00

43 F4

01 00

B2 30

00 00

BE EF

03

06 00

70 F4

02 00

B2 30

00 00

Get

Custom User R

Set

Get

Custom User G

Set

Command data

Header

Get

42

CP-S235 (C10SM2)

Names

Custom User B

Operation type

Set

Colour Balance R

Command data

Header

CRC

Action

Type

Setting code

50

BE EF

03

06 00

EF F6

01 00

B3 30

05 00

60

BE EF

03

06 00

7F F7

01 00

B3 30

04 00

70

BE EF

03

06 00

4F F5

01 00

B3 30

03 00

80

BE EF

03

06 00

DF F4

01 00

B3 30

02 00

90

BE EF

03

06 00

2F F4

01 00

B3 30

01 00

100

BE EF

03

06 00

BF F5

01 00

B3 30

00 00

Get

BE EF

03

06 00

8C F5

02 00

B3 30

00 00

Get

BE EF

03

06 00

01 D2

02 00

05 20

00 00

Increment

BE EF

03

06 00

67 D2

04 00

05 20

00 00

Decrement

BE EF

03

06 00

B6 D3

05 00

05 20

00 00

Colour Balance R
Reset

Execute

BE EF

03

06 00

94 D3

06 00

05 70

00 00

Get

BE EF

03

06 00

B5 D7

02 00

12 20

00 00

Colour Balance G

Increment

BE EF

03

06 00

D3 D7

04 00

12 20

00 00

Decrement

BE EF

03

06 00

02 D6

05 00

12 20

00 00

Execute

BE EF

03

06 00

04 DB

06 00

29 70

00 00

Get

BE EF

03

06 00

45 D2

02 00

06 20

00 00

Colour Balance G
Reset

Colour Balance B

Increment

BE EF

03

06 00

23 D2

04 00

06 20

00 00

Decrement

BE EF

03

06 00

F2 D3

05 00

06 20

00 00

Colour Balance B
Reset

Execute

BE EF

03

06 00

D0 D3

06 00

06 70

00 00

Get

BE EF

03

06 00

F1 72

02 00

01 22

00 00

Sharpness

Increment

BE EF

03

06 00

97 72

04 00

01 22

00 00

Decrement

BE EF

03

06 00

46 73

05 00

01 22

00 00

Execute

BE EF

03

06 00

C4 D0

06 00

09 70

00 00

Get

BE EF

03

06 00

B5 72

02 00

02 22

00 00

Colour

Increment

BE EF

03

06 00

D3 72

04 00

02 22

00 00

Colour Reset

Decrement
Execute

BE EF
BE EF

03
03

06 00
06 00

02 73
80 D0

05 00
06 00

02 22
0A 70

00 00
00 00

Get

BE EF

03

06 00

49 73

02 00

03 22

00 00

Increment

BE EF

03

06 00

2F 73

04 00

03 22

00 00

Decrement

BE EF

03

06 00

FE 72

05 00

03 22

00 00

Execute

BE EF

03

06 00

7C D1

06 00

0B 70

00 00

1
2
3
4
1
2
3

BE EF
BE EF
BE EF
BE EF

03
03
03
03

06 00
06 00
06 00
06 00

0E D7
9E D6
6E D6
FE D7

01 00
01 00
01 00
01 00

14 20
14 20
14 20
14 20

00 00
01 00
02 00
03 00

BE EF

03

06 00

F2 D6

01 00

15 20

00 00

BE EF

03

06 00

62 D7

01 00

15 20

01 00

BE EF

03

06 00

92 D7

01 00

15 20

02 00

4

BE EF

03

06 00

02 D6

01 00

15 20

03 00

Sharpness Reset

Tint

Tint Reset

My Memory Load Set

My Memory Save Set

43

CP-S235 (C10SM2)

Names

Operation type

CRC

Action

Type

Setting code

BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF

03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03

06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00

0D 83
6B 83
BA 82
E0 D2
F1 82
97 82
46 83
1C D3
49 83
2F 83
FE 82
B5 82
D3 82
02 83
68 D2
91 70
F7 70
26 71
EC D9
0E 72
9E 73
6E 73
FE 72
CE 70
3D 72
4A D7
DA D6
79 D7
9E 75
FE 71
6E 70
6E 75
5E 72
FE 74

02 00
04 00
05 00
06 00
02 00
04 00
05 00
06 00
02 00
04 00
05 00
02 00
04 00
05 00
06 00
02 00
04 00
05 00
06 00
01 00
01 00
01 00
01 00
01 00
02 00
01 00
01 00
02 00
01 00
01 00
01 00
01 00
01 00
01 00

00 21
00 21
00 21
02 70
01 21
01 21
01 21
03 70
03 21
03 21
03 21
02 21
02 21
02 21
04 70
09 22
09 22
09 22
27 70
04 22
04 22
04 22
04 22
04 22
04 22
17 20
17 20
17 20
00 22
00 22
00 22
00 22
00 22
00 22

00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
01 00
02 00
03 00
04 00
00 00
00 00
01 00
00 00
0A 00
04 00
05 00
09 00
02 00
08 00

N-PAL

BE EF

03

06 00

0E 71

01 00

00 22

07 00

Get
TURN OFF
TURN ON
Get
TURN OFF
NORMAL
STILL IMAGE

BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF

03
03
03
03
03
03
03

06 00
06 00
06 00
06 00
06 00
06 00
06 00

0D 73
CB D6
5B D7
F8 D6
E6 70
76 71
86 71

02 00
01 00
01 00
02 00
01 00
01 00
01 00

00 22
14 30
14 30
14 30
0A 22
0A 22
0A 22

00 00
00 00
01 00
00 00
00 00
01 00
02 00

BE EF

03

06 00

D5 70

02 00

0A 22

00 00

Get
V Position
Increment
Decrement
V Position Reset
Execute
Get
H Position
Increment
Decrement
H Position Reset
Execute
Get
H Phase
Increment
Decrement
Get
H Size
Increment
Decrement
H Size Reset
Execute
Get
Over Scan
Increment
Decrement
Over Scan Reset
Execute
AUTO
RGB
Set
SMPTE240
Colour Space
REC709
REC601
Get
COMPONENT
Set
Component
SCART RGB
Get
AUTO
NTSC
PAL
SECAM
Set
Video Format
NTSC 4.43
M-PAL

Frame Lock

3D-YCS

Set

Set

Command data

Header

Get

44

CP-S235 (C10SM2)

Names

Video NR

Progressive

S2-Aspect

Operation type

Set

Set

Set

Auto Adjust
Auto off

Auto Search

Blank Colour

Blank on/off

Startup

Set

Set

Set

Set

Menu Position V

LOW
MIDDLE
HIGH
Get
Turn off
TV
Film
Get
TURN OFF
TURN ON
Get
Execute
Get
Increment
Decrement
TURN OFF
TURN ON
Get
Blue
White
Black
Get
TURN OFF
TURN ON
Get
TURN ON
TURN OFF
Get
Get
Increment
Decrement

Command data

Header

CRC

Action

Type

Setting code

BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF

03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03

06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00

26 72
D6 72
46 73
85 73
4A 72
DA 73
2A 73
79 72
1A 71
8A 70
29 71
91 D0
08 86
6E 86
BF 87
B6 D6
26 D7
85 D6
CB D3
6B D0
9B D0
08 D3
FB D8
6B D9
C8 D8
0B D2
9B D3
38 D2
40 D7
26 D7
F7 D6

01 00
01 00
01 00
02 00
01 00
01 00
01 00
02 00
01 00
01 00
02 00
06 00
02 00
04 00
05 00
01 00
01 00
02 00
01 00
01 00
01 00
02 00
01 00
01 00
02 00
01 00
01 00
02 00
02 00
04 00
05 00

06 22
06 22
06 22
06 22
07 22
07 22
07 22
07 22
0B 22
0B 22
0B 22
0A 20
10 31
10 31
10 31
16 20
16 20
16 20
00 30
00 30
00 30
00 30
20 30
20 30
20 30
04 30
04 30
04 30
16 30
16 30
16 30

01 00
02 00
03 00
00 00
00 00
01 00
02 00
00 00
00 00
01 00
00 00
00 00
00 00
00 00
00 00
00 00
01 00
00 00
03 00
05 00
06 00
00 00
00 00
01 00
00 00
00 00
01 00
00 00
00 00
00 00
00 00

Menu Position V
Reset

Execute

BE EF

03

06 00

A8 C7

06 00

44 70

00 00

Menu Position H

Get
Increment
Decrement

BE EF
BE EF
BE EF

03
03
03

06 00
06 00
06 00

04 D7
62 D7
B3 D6

02 00
04 00
05 00

15 30
15 30
15 30

00 00
00 00
00 00

Menu Position H
Reset

Execute

BE EF

03

06 00

DC C6

06 00

43 70

00 00

BE EF
BE EF

03
03

06 00
06 00

8F D6
1F D7

01 00
01 00

17 30
17 30

00 00
01 00

BE EF

03

06 00

BC D6

02 00

17 30

00 00

Message

Set

TURN OFF
TURN ON
Get

45

CP-S235 (C10SM2)

Names

Operation type

Volume

MUTE

Screen type

Set

Set

Lamp Time
Lamp Time Reset
Filter Time
Filter Time Reset
Magnify

Freeze

Set

Set

Get
Increment
Decrement
TURN ON
TURN OFF
Get
4:3
16:9- Top
16:9- Center
16:9- Bottom
Get
Get
Execute
Get
Execute
Get
Increment
Decrement
Normal
Freeze
Get
TURN OFF
TURN ON

Command data

Header
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF

03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03

06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00
06 00

CRC

Action

Type

Setting code

31 D3
57 D3
86 D2
46 D3
D6 D2
75 D3
7A D6
EA D7
1A D7
8A D6
49 D6
C2 FF
58 DC
C2 F0
98 C6
7C D2
1A D2
CB D3
83 D2
13 D3
B0 D2
2A D3
BA D2
19 D3

02 00
04 00
05 00
01 00
01 00
02 00
01 00
01 00
01 00
01 00
02 00
02 00
06 00
02 00
06 00
02 00
04 00
05 00
01 00
01 00
02 00
01 00
01 00
02 00

01 20
01 20
01 20
02 20
02 20
02 20

13 20
90 10
30 70
A0 10
40 70
07 30
07 30
07 30
02 30
02 30
02 30
00 60
00 60
00 60

00 00
00 00
00 00
00 00
01 00
00 00
00 00
01 00
02 00
03 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
00 00
01 00
00 00
00 00
01 00
00 00

00 20
00 20
00 20
00 20
00 20
20 60

00 00
01 00
02 00
05 00
00 00
00 00

13 20
13 20
13 20
13 20

Power

Get

Input Source

Error Status

Set

RGB
Video
S-Video
Component
Get

Get

(Example Return)
00 00
(Off)
BE EF
BE EF
BE EF
BE EF
BE EF
BE EF

03
03
03
03
03
03

01 00
(On)
06 00
06 00
06 00
06 00
06 00
06 00

02 00
(Cool down)
FE D2
6E D3
9E D3
AE D1
CD D2
D9 D8

01 00
01 00
01 00
01 00
02 00
02 00

(Example of Return)
00 00
01 00
02 00
03 00
(Normal) (Cover-error) (Fan-error) (Lamp-error)
04 00
05 00
06 00
07 00
08 00
(Temp-error) (Air flow(Lamp- (Cool-error) (Filter-Error)
error)
Time-over)

46

09 00
(FilterMissing)

11. Block diagram

MAIN PCB
DDC
RGB in

6dB
AMP

A/D, PLL
THC7216

1st PLL

CLAMP

RGB
A/D

RGB out
Component
Video

VIDEO
DECODER
TC90A92AFG

CONTROL PCB
SELECTOR

47

USB

+

COLOUR
UNIFORMITY
&
TIMING
GENERATOR

PW168-05RK
Image Processor

S/H
LEVEL
SHIFTER

0.55" LCD
SVGA PANEL
with LENZ

2nd PLL

RS-232C

CP-S235 (C10SM2)

Video
S-Video
CTL

Flash
ROM

EEPROM

Crystal

MOUSE
(Video)Audio
(RGB)Audio
Audio out

VOLUME
CONTROL

KEY
SEL./
COMP.

SUB CPU

S/P

AUDIO AMP
STUCK
SENSOR

SP

TEMP
SENSOR

FAN

SW PCB
SENSOR
PCB

IR RECEIVER
PCB

AC
INPUT
DC POWER
SUPPLY PCB

Block diagram (C10SM2)

LAMP POWER
SUPPLY PCB

Lamp

OPTICAL
UNIT

PROJECTION
LENS

CP-S235 (C10SM2)

12. Connector connection diagram
30P FPC(Flat)
With Panel(OPT Unit)

Pb/Cb IN
Pr/Cr IN
VIDEO IN
S-VIDEO IN

R:P501
G:P601
B:P701

AUDIO-R IN
AUDIO-L IN
RGB IN

DRIVE Board

RGB OUT

SVGA
(EPSON)
1:COM
2:VVDD
3:DWN
4:PCG
5:VST
6:VCK
7:ENB
8:NC
9:VSS
10:HCK2
11:HCK1
12:HST
13:NC
14:NC
15:CLR
16:RGT
17:HVDD
18:SIG1
19:SIG6
20:SIG2
21:SIG5
22:SIG3
23:SIG4
24:PSIG
25:LCCOM
26:NC
27:LCCOM
28:DIRY
29:VSSY
30:MON

Wide
(EPSON)
1:NC
2:DY
3:CLY
4:/CLY
5:VDDY
6:LCCOM
7:NC
8:NRG
9:ENB1
10:ENB2
11:ENB3
12:ENB4
13:DIRX
14:CLX
15:/CLX
16:VDDX
17:DX
18:VSSX
19:VID1
20:VID2
21:VID3
22:VID4
23:VID5
24:VID6
25:LCCOM
26:NC
27:LCCOM
28:DIRY
29:VSSY
30:MON

LCD Panel

Y IN

R G
B

AUDIO IN
E805

AUDIO OUT

1:GND
2:R/C
3:+3.3V

R/C Front
Board
E901

1: SP2: SP+

CNRM:3P-ZH 140mm
(P#:EF22999)

ESPL
E7A1

A83:2P-DF13 90mm
SP Assy (P#:GK00393)

CONTROL
BOARD

CONTROL

EM01

1:+5V
2:RMT
3:TXD
4:RXD
5:GND

ET01
E301

CNRM:3P-ZH 140mm
(P#:EF22999)

Power unit
(Ballast)

J2

J1
TSW:(P#:FH00275)

CNPWR:4P-VH 130mm
(P#:EF22877)

Soldering
(W151097)

1:DC IN
2:NC
3:GND
4:+16V

Temp. SW

CN101

CNTS:2P-EH 270mm
(P#:EF08764)
1:LAMP TEMP DET. OUT
2:LAMP TEMP DET. RETURN

Power Unit
(Circuit) CN102

Filter Unit
CN2

AC INLET

CN103

1:L
2:NC
3:N

CN3

Out
Sensor

#6430

2P-ZH 250mm
(P#:AZ00253)

1:POWERON/OFF
2:GND
3:LAMP MISS
4:SELCT

E803

1:+12.6V(F)
2:GND(F)
3:+17V
4:GND
5:+6.0V
6:+6.0V
7:+4.3V
8:+4.3V
9:GND
10:GND
11:GND
12:ACTIVEON/OFF

1:TO-SW
2:COVER

E804

Cover SW
Board
E941

CNLC:2P-ZH 130mm
(P#:EF22997)

CNPOW:12P-PH 190mm
(P#:EF21953)

1:HV
2:GND

1:OUT
2:GND

CNBAR:4P-ZH 160mm (P#:EF23002)

With Ballast Power Unit

LED
Board

E981

CNME:3P-ZH 80mm
(P#:EF23004)

USB

Lamp
Unit

1:GND
2:HPLL
3:NC

E302

1:OUT
2:GND

#6800

In
Sensor

2P-ZH 230mm
(P#:AZ00252)

E801

1:FAN1S
2:VCC
3:GND
4:CONT-E
5:NC

Exhaust
fan

#3055:Exhaust-Fan(5P-ZH)
50mm(P#:GS00912)

E800
E802

1:FAN2S
2:VCC
3:GND
4:CONT-P

Panel
fan

#6460:Panel-Fan(4P-PH)
250mm(P#:GS00891)

CN1:3P-VH
150mm
(P#:EF22876)

Connector connection diagram (C10SM2)
48

CP-S235 (C10SM2)

13. Basic circuit diagrams

Basic circuit diagram list
SENSOR Board

MAIN Board 3

COVER SWITCH Board

MAIN Board 4

REMOTE CONTROL Board

MAIN Board 5

FILTER UNIT

MAIN Board 6

POWER UNIT CIRCUIT

MAIN Board 7

POWER UNIT BALLAST 1

MAIN Board 8

POWER UNIT BALLAST 2

MAIN Board 9

CONTROL Board

MAIN Board 10

MAIN Board 1

MAIN Board 11

MAIN Board 2

49

SENSOR BOARD

REMOTE CONTROL BOARD

COVER SWITCH BOARD

PARTS WITH HATCHING ARE NOT MOUNTED

SM0541

SENSOR, COVER SWITCH & REMOTE CONTROL BOARDS

POWER UNIT (CIRCUIT)

FILTER UNIT

PARTS WITH HATCHING ARE NOT MOUNTED

SM0541

POWER UNIT (CIRCUIT) & FILTER UNIT

CN100
1

L102

C117

Q103

R156

Q102

C113

D121

R135

C122
+16V

CN100
4

Q104

2

R116

C108

56

R118

R117
CN100
3

C116

Q101
R134

3
R115

C100
R104

4

C114

R121

L103

T101

R119

C140

GND

R122

C109

R143

1

C111

R154

1

D105

Z100

R161

C133
D151

R103
CN100
2

T102
R141

R151

R102

C151

C120

C154

Q151

R133

C153
D106

R112

R101

Q150

R142

ZD150
R113

R114

D150

R140

Q100
R100

+370V

R160

C152

L100

L104

D108

R131

R124

D107

R129

Vcc 1

7 HO

IN 2

6 VS

COM 3

5

LO 4

D118

R125

8 VB
D117

C132

C156

LO 4

R130

VS 6

5

C118

3 COM

R128

HO 7

D116

2 IN

C155

D115

C112

VB 8

R127

C110

C131
R145

R126

IC102

1 Vcc

R132
IC103

C119

R123

TH102

16V

VSENSE

OVP

CV0

VP0

SGND

14

24

25

21

22 18

10

11

NAV2

DRIVE

26

NAV1

TEMP

23

CPO

SGND

TH101

VCC

C130

ZD100

7

9

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CONTROL BOARD

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MAIN BOARD 4

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MAIN BOARD 11

Hitachi, Ltd. Tokyo, Japan
International Sales Division
THE HITACHI ATAGO BUILDING,
No. 15 –12 Nishi Shinbashi, 2 – Chome,
Minato – Ku, Tokyo 105-8430, Japan.
Tel: 03 35022111
HITACHI EUROPE LTD,
Whitebrook Park
Lower Cookham Road
Maidenhead
Berkshire
SL6 8YA
UNITED KINGDOM
Tel: 01628 643000
Fax: 01628 643400
Email: consumer -service@hitachi-eu.com

HITACHI EUROPE S.A.
364 Kifissias Ave. & 1, Delfon Str.
152 33 Chalandri
Athens
GREECE
Tel: 1-6837200
Fax: 1-6835964
Email: service.hellas@hitachi-eu.com

HITACHI EUROPE GmbH
Munich Office
Dornacher Strasse 3
D-85622 Feldkirchen bei München
GERMANY
Tel: +49-89-991 80-0
Fax: +49- 89-991 80-224
Hotline: +49-180-551 25 51 (12ct/min)
Email: HSE- DUS.service@hitachi-eu.com

HITACHI EUROPE S.A.
Gran Via Carlos III, 86, planta 5
Edificios Trade - Torre Este
08028 Barcelona
SPAIN
Tel: 93 409 2550
Fax: 93 491 3513
Email: atencion.cliente@hitachi-eu.com

HITACHI EUROPE srl
Via Tommaso Gulli N.39, 20147
Milano, Italia
ITALY
Tel: +39 02 487861
Tel: +39 02 38073415 Servizio Clienti
Fax: +39 02 48786381/2
Email: customerservice.italy@hitachi-eu.com

HITACHI Europe AB
Box 77 S-164 94 Kista
SWEDEN
Tel: +46 (0) 8 562 711 00
Fax: +46 (0) 8 562 711 13
Email: csgswe@hitachi-eu.com

HITACHI EUROPE S.A.S
Lyon Office
B.P. 45, 69671 BRON CEDEX
FRANCE
Tel: 04 72 14 29 70
Fax: 04 72 14 29 99
Email: france.consommateur@hitachi-eu.com

HITACHI EUROPE LTD (Norway) AB
STRANDVEIEN 18
1366 Lysaker
NORWAY
Tel: 67 5190 30
Fax: 67 5190 32
Email: csgnor@hitachi-eu.com

HITACH EUROPE AB
Egebækgård
Egebækvej 98
DK-2850 Nærum
DENMARK
Tel: +45 43 43 6050
Fax: +45 43 60 51
Email: csgnor@hitachi-eu.com

HITACHI EUROPE AB
Neopoli / Niemenkatu 73
FIN-15140 Lahti
FINLAND
Tel : +358 3 8858 271
Fax: +358 3 8858 272
Email: csgnor@hitachi-eu.com

Hitachi Europe Ltd
Bergensesteenweg 421
1600 Sint- Pieters-Leeuw
BELGIUM
Tel: +32 2 363 99 01
Fax: +32 2 363 99 00
Email: sofie.van.bom@hitachi-eu.com

HITACHI EUROPE LTD
Na Sychrove 975/8
101 27 Pr aha 10 – Bohdalec
CZECH REPUBLIC
Tel: +420 267 212 383
Fax: +420 267 212 385
Email: csgnor@hitachi-eu.com

www.hitachidigitalmedia.com



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