DP3300D

Knob (Button)

(

K29

-251

6

-04)

Phone

jack Knob Knob {Button)

(E11-0127-05) (K29-1641-04) (K27-1514-O4l

Top plate

(A52-0099-02) Panel

ass'y

{A20-501

1-021

Knob (Button)

lK29-25a1-O4lx4

Knob (Buttonl Knob (Button)

(K29-2546-04)x9 (K29-2581-04)x15 lnsu

latJr \

(J02-01

88

-1

5lx4

Phono

jack

(E

1 3-023O-05)x2

Knob

lK29-2584-o4l Cover Slide

switch

(

F07-0499

-04) (S31

-2094-05)

Slide

switch Power

coard bushing

(s31-2083-05) (J42-0083-051

Phono

jack

(E

13-0130-05) AC Power

coard*

{E30- }

In complicance with Federal Begula-

tions, f ollowing are reproductions of

labels on, or inside the product relating

to laser

product safety.

K€NWOOD-Corp. certifies this eguin.

ment conforms to DHHS Regulations

No. 21 CFB 1040. 10, Chapter

1, Sub-

chapter J.

DANGER : Lasor r8diltion when opon

and int€rlock dofeatsd.

AVOID DIRECT EXPOSURE

TO BEAM, *Refer

to parts

list

on

Page

51

.

1.

2.

4.

Remove

eight screws

db retaining

the side

panels

to

the chassis, and remove

the side

panels.

Then

remove

six screws

@ tixing

the top

panel

to the

chassis frame,

and remove the top

panel.

DISASSEMBLY FOR

HEPAIR

the Mechanism

ass'y

the tray toward

the

Move

the gear

on the left side

of

with your finger

(

@ ) and Putt

tront

(

@ ).

\a@

@

5.

Pull up the four claws on the tray

panel

in the

direction

of the arrows and remove the tray panel

by pulling

it

ouT

in

the

ciirection

@ .

Push

the

tray back

( G! )

Disconnect three

connectors

(CN3,

CN4, CN5)

from

the

CD

plaver

unit

(X32-1090-11)

(G ).

Remove

four screws

@ retaining

the Mechanism ass'y

and remove the Mechanism

ass'y by pulling

it slightly

backward

thenrupward

(

GF ).

2

3

5

7

10

12

13

16

17

6-3. Explanationof

functions ...... 14

7. Signal

processor

lG : GX23035

(X32-1090-11

:lC3). 14

7-1. Block

diagram 14

7-2. Explanation

of terminals 15

8. Digital

output signal

demodulator

lC : CXDl075P

7

8

9

(X32-1090-11

: lC9) .

B-1 . Block

diagram

B-2. Terminal

connection

diagram

8-3. Explanation

of terminals 17

...20

21

20

24

27

4.

5.

E] E] E] E] tr)

I!]E)EElE)

u@gE@

EgUE@

@

t@r

,-l l-t *'

L, L, i.[]

CO

NTENTS/THANSPO

RTATI

O

N

SCREW

TRANSPORTATION

SCREW

DISASSEMBLY

FOR REPAIR

BLOCK

DIAGRAM

CIRCUIT

DESCRIPTION

1. Description

of components

. .

1-1

. DAC UN

rT

(X25-2860-1

1)

. . . .

1_2.

CONTROL

UNIT

(x29-1780-00).

. ..

1-3. CD

PLAYER UNIT

(X32-1090-11)

..... .

2, Circuit

description

2-1. DAC

lnterface

circuit

(X25-286O-11)

. . . . .

2-2. Distortion

correction

circuit

lx25=2860-11)....

2-3. Dropout

control

circuit

(X29-1780-00)

Dual D Flip-Ffop lC : TC74HC74F

(X25-2850-00

: lCl,lC4)

3-1 . Block diagram

3-2. Truth table .

Hex D Flip-Flop lC : TC74HC174F

(X25-2850-00

: lC3)

4-1 . Terminal

connection diagram

4-2. Truth

table .

DA Converter

: PCM56P-K

(X25-2860-1

1 z

lCl,lC2l

5-1 . Block

diagram/Terminal connection

li^^-^-

u tout dI l

S-2. ExJtanation

of terminals

Digitalfifter: SM58O4B

(X25-2860-11

: lC4) . .

6-1 . Block diagram

6-2. Explanation of termlnals

TRANSPOBTATION SCREW

Before

operation,

remove the two red

screws

attached

to the bottom of the unit used

during transport

from the

factory. Remove both screws

using a coin, etc. and,

after

removing, retain them together with the Warranty

card and other documents.

When the unit is to be trans-

ported

again, be

sure

replace the two screws

to their

origi-

nal

position.

ATTACHING

THE TRANSPORTATION

SCREWS

1.

Turn the

power

ON

without loading

disc.

2. Turn OFF the power

after

the display

shows the

follow-

inq indication.

8-4. Explanation

of functions

. . .

9. Microcomputer

: PPD75208CW-040

(X32-1090'11

: lCl1)

9-1 . Terminal

connection

diagram

9-2. Explanation

of terminals

. . .

ADJUSTMENT

...

Adjustment

Q6nlrna

I rEgrqgs

Abgleich

Description

of Signal

Waveform,

Connection

of

Measuring

Instruments 30

VOLTAGECHECKTABLE ... 34

Pc

BoARD

(CoMPONENT

slDE

vtEvQ . . . . 1? -

pcBoARD(FO|LSIDEVIEW)

..... .... 38

SCHEMATIC

DIAGRAM 41

EXPLODEDVIEW(MECHANISM) ...49

EXPLODEDVIEW(UNIT)

.... 50

PARTS LIST . 51

SPECIFICATIONS

. BACK

COVER

3. Install the transportation screws.

CO

NTE NTS/THAI\ISPO

RTATI

O

N

SCREW

TRANSPORTATION

SCREW

DISASSEMBLY

FOB REPAIR

BLOCK

DIAGRAM

CIBCUIT

DESCRIPTION

1. Description

of components

. .

1-1.

DAC UN|T

(X25-2860-11)

....

1_2.

CONTROL

UNIT

(x29-1780-00).

. ..

'r-3.

cD

PLAYER UNIT

(X32-1090-11)

..... .

2. Circuit

description

2-1. DAC lnterface

circuit

(X25-2860-11)

' . . . .

2-2. Dislort"ion

correction

ci rcuit

(x25,2860-1

1

) . . . .

2-3. Dropout

control

circuit

(X29-1780-00)

Dual D Ff ip-Flop lC : TC74HC74F

(X25-2850-00

: lCl,lC4)

3-1 . Block

diagram

3-2. Truth table .

Hex D Flip-Flop lC : TC74HC174F

(X25-2850-00

: lC3)

4-'l . Terminal connection

diagram

4-2. Truth table .

DA Converter

r PCM56P-K

(X25-286O-11

: lCl,lC2)

5-1 . Block

diagram/Terminal connection

di^^-^-

ulqqldlll

5-2. ExJlanation

of termrnats

Digitalfifter :

SM58O4B

(X25-2860-11

: lC4) . .

6-1 . Block

diagram

6-2. Explanation of terminals

TRANSPORTATION SCREW

Refnre nnpr:ti.}n remove the two red scfews

attached

vPv, u!,v',, '

v

to the bottom of the unit used

during

transport

from the

factory.

Remove both screws

using a coin,

etc. and, after

remoVing,

retain them together with the Warranty

card and other documents.

When the unit is

to be trans-

ported

again, be

sure

replace the two screws to their

origi-

nal

position.

ATTACHING THE

TRANSPORTATION

SCBEWS

1. Turn

the

power

ON

without loading

disc.

2. Turn OFF the power

after

the display

shows the

follow-

inq indication.

8-4. Explanation

of functions

. . .

9. Microcomputer

: PPD75208CW-040

(X32-1090.11

: lCl1)

9-1 . Terminal

connection

diagram

9-2. Explanation

of terminals

. . .

ADJUSTMENT

...

Adjustment

6-3. Explanationof

functions ...... 14

7. Signal

processor

lC : CX23035

(X32-1090-11

:lC3). 14

7-1. Block

diagram 14

7-2. Exolanation

of terminals 15

8. Digital

output signal

demodulator

lC : CXDl075P

2

3

5

7

I

9

10

(X32-1090-11

: lC9) .

B-1 . Block

diagram

B-2. Terminal

connection

diagram

8-3. Explanation

of terminals

16

17

...20

21

20

24

27

3.

4.

5.

12

13

P6nlano

I rE9rqgs

Abgleich

Description

of Signal

Waveform,

Connection

of

Measuringlnstruments ...30

VOLTAGECHECKTABLE ... 34

Pc

BOABD

(coMPoNENr

slDE

vtEvQ . . . 1? -

pcBoARD(FO|LSIDEVIEW)

....- .... 38

SCHEMATIC

DIAGRAM 41

EXPLODEDVIEW(MECHANISM) ...49

EXPLODEDVIEW(UNIT)

.... 50

PARTS LIST . 51

SPECIFICATIONS

. BACK

COVER

/^\

((Lr)

\Y/

@

vI

@

fl

U

ElEtElElCt C@

@gltEtrtE) r@r

ID ID IEI E

E0@tD@@ ,-rr-r

*^

c;;; L, L, ili.]

3. lnstall the transportation screws.

DISASSEMBLY

FOR REPAIR

7. Turn the Mechanism

ass'y

upside

down, remove

two

screws

@ tixing the rod

and,

while

lifting

the motor

block

diigonally

upward

((E )' pull

the

pickup

in the

direction of the

arrow

(

(D )

8. When assembling

the pickup

block,

insert the chassis

of the Mechanism ass'y

in the direction of arrow

@ .

Align the position

of the screws and secure them

( (E ).

BLOCK

DI

ENVELOPE

WAVE DET,

FFIAME

SYNC.

DET.

FRAME

SYNC.

PBO.

TECT

DEINTERLEAVE

TIME

BASE

GENERATION

TIME BASE

CORRECTOB

SIGNAL

PBOCESSING

SYSTEM

CONTROL

CIRC ERROR

CORRECTION

^\-

| 'r' I

| 'v7,

I

-l--

rl

ll F

BUS

INTER"

FACE

E- U

z

U

o

01

(x29-

)

tc1

(cx20108)

r-- OUTPUT IN.

TER FACE

TRACKING

BFIAKE

u-

rcl

(cx20109) (r

PDO tc3

(cx23035)

----

^_J-F-

tc5l2t2l,o2l3l3l

TBAY

MOTOR DRIVE

GC-

OPEN

CLOSE

NT

JLI

I

,rl

FEED

MOTOB I FEED

I

E_J

@

J

U' FEED DISC TRAY

MOTOR

OCK

OIAG

BAM

:1

TER LEAVE

OAJE

iRATION

BASE

iECTOR

qL

ESSING

EM

'FOL

ERHOR

ECTION

tcs,tc7,

tc9 f

c1 1,ol,o3 tc13l1l2l

tc7

DIGITAL

DATA INV.

lc13-tc21

C

ERROR

IRECTI

HEADPHONE

AMP.

HEADPHONE

AMP.

DIGITAL

OUT

t--- -.,l'--'w.-6)

-AIBY

qtb I

r-Jl\---a____J

tl

l-

IT

,7v ,ln

tc6,tc8,

lc10 \c12,o2,A4

tcls(2121

ol 1

rc

l1-fllffiej-@

L I-'U

+rh

PH3 010

/v

rc10(1/6)

Q13

ti

t12V

--r- -32V

DATA

INTER.

POLA-

TION DIGITAL

FI

LTER

SOD

A

SID

LINE

OUT(R)

VARIABLE

OUT.

FL DISPLAY

CIRCUIT

DESCRIPTION

1. Description

of components

1-1. DAC UNIT

(x25-2860-11)

Component Use/Function Operation/Condition/Compatibility

lcl ,lc2 PCM56P.K D/A converter Converts digital

value

into agalog

quantity.

tc3,rc4 NJM5532D.D l-V converter 11/21

: Converts

DAC current

input into voltage.

(2121

: Generates

offset voltage {or distortion correction.

tc5-rc10 NJM5532D-D Op amp Forms

a GIC (General

lmpedance Converterl with LPF.

tc ,1c12 pPA6SHA Dual

FET Forms

the 1st

stage of output amp.

in the

final

stage.

LIJ cx20197 Op amp Amplifier device

of output amp,

a1A SM5804B Digital filter Digital filter with 4-fold oversampling.

L t3 TC74HCO4F HEX inverter Inverts

the logic

of digital filter output and delays

data.

Lto TA79LO06P 3-terminal reoulator (-) power

for DAC.

c't7 TATSLOO6AP 3-terminal regulator (

+

)

power

for

DAC.

tc 8,tc19 TC74HC74P Dual

D flip-flop Used in distortion corrector

circuit

tc20 TC74HC393P Dual 4-bit binary

counter Used in distortion

corrector circuit.

tc21 TC74HCO4P HEX inverler Used in

distortion

corrector circuit.

PH1 T95-0035-05 Photocoupler Interface

between digital filter and DAC (Used

for data).

PH2 T95-0036-05 Photocoupler Interface between

DAC and X32 (Emphasis).

PH3 T95-0036-05 Photocoupler Interface

between

DAC and X32 (Muting).

01

-o4 2SC945(A)(O,P) Transistor Used

in cascode

stage of 1

st stage

o.f

output amp.

05.06 25K170(V) FET Begulated

power

supply

for constant-voltage

circuit of ist stage

of output amp.

07,Q8 2SC945(A)(O.P) Tra

nsistor Regulated

power

supply

for differential

amp. of 1st

staqe of output amp.

01 0 DTCl

14YFF Switch De-emphasis

relav driver

Q1

1DTC] 14YFF Switch Muting relay driver. 'r

012 DTC1 14YFF Switch Emphasis

photocoupler

driver.

n1? DTC1 1

4YFF Switch Muting photocoupler

driver.

014 2SA733(A),(O,P) Switch Used for supplying voltage

to the

photocoupler

output.

D1

.D2 RD5,iJS{B) Zener

diode Supplies

potential to the cascode stage of lst stage of output amp

D3,D4 RD5.1JS(B) Zener

diode Determines

the

potential

of constant-current

circuit of differential

amp of 1

st staqe of output amp.

D5,D6 RDl

OES(B) Zener

diode Feference

power

supply

for constant-voltage

circuit of 1st

stage of

output amp.

D8 tSst/u Switch Protects I C 1

6 a

ga

i nst cou nte

r-withstan-d

i

ng vol

taqe.

D 10,D1 1 tsSt/t) Switch Used for countermeasure

against

static electricity.

D12.D13 iSS133

or 1SS176 Switch Used for short-circuiting

counter-electromotive

voltaqe

of relav.

ut4 RDl

OES(B} Zener

diode Determines

the operating voltage

of transistor

SW 014

Litc 1

SS1

76 Switch Protects

lC1

7 against counter-withstanding

voltage.

Table 1-1

l-,

a(

t:

t

ji

1-2. CONTBOL

UN|T

(X29-1780-00)

Component Use/Function Operatiory'Cond

ition/Compatibil

ity

tcl cx201 09 Optical

pickup preamp.

Focusing

error

signal

generation,

tracking error

signal

generation,

RF

signal

generation

and phase

compensation,

auto-symmetry correction

ci

rcu i t.

tc20/21 M5218P Tracking error

polarity detector When

tracking

error

is

(

+ ) :

+

4V output.

When

(-) :

-4V output.

tc2l2l2l M5218P Flaw

detector

level comparator Normally : -4V output. When flaw is

detected : + 5V output.

ILJ pPD4053BC Tracking error

signal

select switch

The error signal supplied to the tracking servo circuit is selected

accord-

ing to the logic

of the MIRR signal supplied

via

pin 11.

When

MIRR is

"L" : Normal

tracking error

signal.

When

MIRR is

"H" : Constant voltage

at + 0.5V or -0.5V.

The polarity of the constant voltage

supplied when the Ml R R signal

is "H" is selected according

to the tracking error polarity detector

output supplied via

pin 1O.

When

"H" : + 0.5V. When

"L" : -0.5V.

The error

signal supplied to the tracking

servo circuit is determined

according

to the polarity of the flaw detector output supplied via pin 6.

When

"L" : Error

signal is

supplied to the tracking

servo circuit.

When

"H": Error

signal is not supplied

to the

tracking

servo

circuit.

Table 1-2 7

1-3. CD

PLAYER

UNIT

(X32'1090'11)

CIRCUIT

DESCRIPTION

012\

: PLL

compensator

circuit

l2l2l : CLY

compensator

circuit

Generates

search

pulses

for focusing servo,

tracking servo

and feed m

servo.

Generates

microprocessor reset

pulse.

EFM decoder,

correction/intetpolut!9n

citcuit, PLL cit'

Signal

processor

RAM (16K).

(LPF

+

amP.1.

(LPF + level

shifter).

11l2J

: CLV

compensator

silsui{

(amp.)'

l2l2l : TraY

driver

circuit

Digital

data

inverter

circuit.

Controls

digital

signal

supply

to DAc'

Converts

digital

audio

data

into Sony/Philips

digital l/O foimat to g'

transmission

signal

lC9

demodulation amp,

pulse

transformer

driver'

Controls

disPlaY,

key-inPut and

servo

lC.

Interface

circuit

between

microprocessor

9!ql! if:919y

+ 5V

resulated

voltase

for a449lel9-!!!-!i!91

-5V requlated

voltage

for digital

and

PLL lines'

+ 5V regula'ted

voltage

for servo

line.

Error

amp

oI x12V constant regulated

circuit

for DAC'

Digital

data

inverter

circuit

For loqic

inversion

usi -disital

SW.

Current

buffer for tracking

actuator,

feed

motor and

tray motor

or

ci

rcu

itrv.

Used

to prevent operation of eye-pattern center sampling

circuit w

the

disc

motor is

not driven'

inversion

and

level

shifting

of MON

ortp,4-|1on'

9I?9991

lnverts

digital

data

at high speed

and

amplifies

the current'

Discharges

-5V DAC

unit

to 0V.

Supplies

-5V to DAC

unit

An

emitter-follower

used

for

supplying

+

5V

to DAC

unit'

Controts

SWs

Q6

and

07

Controls potential at base

of Q8'

Eliminates

offset

of motor

driver

circuit

while

me19!l1l99q9d'

Turns

-5V for laser ON/OFF

Power

supply in the constant-voltage

regulated

laser

power supply

Gomponenl Use/Function Operation/Condition/Compatibility

Goes

"H" when

a signal

is

output from the pickup'

Detects

the

+ side

envelope

of RF signal.

(Small

time constant)

Detects

the + side

envelope

of RF signal.

(Large

time constant)

When lC2l2l2l output becomes

-4V, the switches

function to

vent the negative

potential to be applied to pin 6 of lC3'

When lC2ll/21 output becomes

-4V, the switches

function to

vent the negative

potential to be applied

to pin 10 of lC3'

When the flaw detector level

goes

"H" by detecting a flaw, the

turns

the

MIBR signal

also

"H".

atl 25C945(A)(o,P) FOK

current

buffer

a2 2SC945(A)(o,P) RF siqnal

enveloPed

detector

o3 2Sc945(A)(o,P) RF siqnal

enveloped

deteclor

Dl ,D2 1SS176

or

1SS131 Switch

D3,D4 1SS176

or

'l

SS131 Switch

D5 1SS176

or

1SS131 Switch

Table

1-2

M51

951 ASL

cxK581

6M

TCT4HCOOP

AND gate

(switch)

TC74HC08P

Digital

output signal

modulator lC

cxDl

075P

withstanding

buff.

rc12-lC'l

5

3-terminal

regulator

TC74HC74P

Current

amPl

if ier

transistor

STA341

M

Di

gital

transistor

switch

Dioital

transistor

switch

DTA1

24EN

2SC1923(R,O)

2SA733(A)(O,P)

2SC945(A),(O,P)

2SA992(F,E )

2SC1845(E,F

)

25 K246(Y,G

R

)

2SA733(A)(O,P)

25K246(Y,G

R

)

Table

1-3

($

rs

CIRCUIT

BESCHIPTION

Component Use/Function Operation/Condition/Compatibility

o14 2SC945(A)(O.P) Ripple

filter Transistor

ripple

filter

for constant-voltage

regulated

VDD supply circuit

for FLdrivers

lCs

(lC12to

lClb).

ut3 2SA1

286 Ripple filter Transistor

ripple filter

for constant-voltage

laser

power

supply

circuit.

Cl z>L5240 Current

buffer Current

buffer

for

disc

motor driver

circuit.

72SA1286 Current

buffer Current

buffer

for

disc

motor

driver circuit.

o25C945(A)(O,P) Switch Inverts

the logic

of pre-digital

SW.

019 2SA733(A)(O,P) Switch Connects

rhe low muting

potential

in DAC unit to GND.

o20 2SC945(A)(O,P) Switch Control

SW

used

to set

r12V regulated

DAC

unit

power

to tOV.

421 2S,A1286 Current buffer Current

buffer

for focus

actuator

driver

circuit.

422 2SD1

266 Current

buffer Current

buffer

for focus

actuator

driver

circuit-

o23 z>u I

zoo Bipple

filter Transistor

ripple

filter for

+ 12V regulated

DAC

unit

powersupply

circuit.

o24 258941

(P) Ripple

filter Transistor

ripple filter

lor

-12V regulated

DAC unit

power

supply circuit

D,I rJJt/o Switch Preiigital SW.

D2 1

SS1 76 Switch Diode

SW used for key

scanning

in test mode.

D3 1

SSl 76 Switch Time-constant

SW

for quick discharge

ot C4E.

D4 1

SS1 76 Switch Used

to prevent

variation

of MUTE and EMpH digital

audio

data

during

searching,

etc.

D5 RD6.8ES(82) Zener

diode Provides

reference

potential for constant-voltage

regutated

V6p supply

circuit

for FL

driver

lCs

(1C12

to lC15).

D6,D7 DSM1A1 Rectif

ier diodes Used

for voltage

multiplyinS

rectifier.

D8 RD8.2ES(B) Zener

diode Used to maintain FL dispay erase

potential

no 1

SS1 76 Switch Diode

SW used

to interrupt

optical

output

while

the

digital

output

sw is oFF.

OFF.

Dl0 BD2.7ES(B} Switch Used

to

decrease

r12V DAC

power

quickly

when

power

is turned

OFF.

Dl1 RD6.2JS(82) Zener

diode Provides

reference

potential

for r1

2V regulated

DAC power

supply

circuit.

Dl

2-Di

5rJJ | /O Switch Diode

SW used for countermeasure

against

static

electricity

in digital

output.

D1

6.D17 1

SS1

76 Switch Qiode

used for countermeasure

against

static electricity.

D1

8-D20 1

SS1 76 Switch Diode

SW

connected

to limir SW.

D21 RD5.6ES(82) Zener

diode Provides

reference

potential for -5V laser

oower.

D22 1B4841 Bectif

ier diode fiectifier diode

bridge

for servo

and

digital

lines.

D23 1B4B'41 Fectifier

diode Rectifier

diode

bridge

for DAC line.

D24 1

SV1 47 Vari-cap Vari-cap

in VCO circuit of PLL.

Table 1-3

2. Circuit

description

2-1. DAC

Interface

circuit

(X25-2860-11)

The digital

line

and

analog

line

of the Dp-3300D

are

separated

by transmitting

DAC digital

audio

data

using

photocouplers.

Although

the

photocouplers

are

of the high_

speed

type,

the photocoupler

outputs

stili

include

a time

lag of approx.

20ns.

To compensate

for this delay,

an

inverter

is used

with BCK

and

two inverters

are

used

with

176.5kH2

used for LATCH

signal.

tc14

(Digital

filter)

DAC

to DATA (Lch}

DAC

to DATA (Rch)

DAC

tO BCK

DAC

to LATCH

Ftu

FIJ'

r;

$Bi

;v

T

Fig.2-1 DAC

Interface

circuit

CIRCUIT

DESCRIPTION

2-2. Distortion correction

circuit

(X25-2860-11)

In Fig.

2-2, D-FF1,

D-FF2,

BC1

and BC2

form the

circuit which extracts the data logic

of the digital audio

data's

1sth bit which is immediately

after

the MSB, and

delays the logic

by DATA. For the details of the opera-

tion,

please

refer to the timing

chart in Fig.2-3.

The DAC has been designed to accept the connection

of the circuit which compensates

for the error

of the cur-

rent value corresponding to the value

of the MSB. The

circuit

consists

of semi-fixed

resistor VR1 and

resistors R1

to R3.

OP1 is used to add/subtract

the current compensating

the error

corresponding to the

value

of the 15th Oit to/

from the D/A converted

current. Therefore,

when the

current corresponding to the 1 sth bit is output

from the

DAC according to the logic

of the 15th bit, the current

passes

through OPi so that the error corresponding to the

value of the 1sth bit is

eliminated. lf the current corres-

ponding

to the 1sth bit is

not output

from

the

DAC,

the

Fig. 2-2 Distortion correction

circuit

output from OP1 becomes

0V, so that the compensation

current is not applied to the

D/A converted

current output

from

the DAC.

CLK

4.2336

MHz

DATA

LATCH

176.4kH2

(n-1)th DATA {n)th

DATA

C DATA

15 losic

[(n-1]thl DATA

15 logic

[(n

+

1)th]

D X DATA

1slosic

t(n-1

)thl X DATA

15 tosic

[(n]thl I \

Fig. 2-3 Timing

chart of distortion

coruection

circuit

2-3. Dropout controller

circuit

(X29-1780-00)

With conventional

servo systems, tracking

error

signal

TE

from

pin 17

TE of CX2O'I

89

are output directlyat

i of CN3. However,

with the DP-3300D,

the waveform of

TE is shaped,

the shape of waveform

TE varies while it

passes

through lC3. The operations

and waveforms in this

process

are as

follows.

DATA

15

logic

[(n

+

1)th]

n;r fE

rcgl f

@

IE

Fig.

2-4 Dropout

controller circuit

10

is

$o In case

of the disc

contains scratch:

lf the disc contains a scratch

as shown in Fig.2-5(al

,

the RF

signal

may lack the

positive

side

envelope. 02 and

03 have different

time constants, but they are both used

for tracking

the positive

envelope. When

the signal

with a

large time constant is divided by R15

and R16, the signal

waveform becomes as shown by the dotted line

in Fig.

2-5

(b).

With signals that have

a small time constant, the wave-

form becomes as

shown by the solid line

in

the same

figure.

Therefore,

at the point of the scratch. the level shown

by the solid

line

drops below the level

shown

by the dotted

line,

and

the output

trom lC2(212)

7 will be inverted.

(Fig.2-5(c))

This signal

is

shaped by D1 and D2, and applied to lC3

6.

When lC3

6

goes

"H", lC3 sets the SW to OPEN,

and VR4 and R24

set

TE

to GND level so that the tracking

error

signal

does not go

to the next

stage.

This means that

TE is 0V only

while

"H" is applied to lC3

6, and the

waveform as shonw in Fig. 2-5(e) is output as

TE from

CN3

1

.

"H" level

is

also applied to MIRR

via

D3 at this

period.

However, as the control of lC3

6 has

priority

over it. TE of CN3

goes

GND level

regardless

of the varia-

tion of MIRR.

o In case of the disc

envelope

lacks

lower

side

(when

only

focusing

servo

is used

in test

mode,

etc.) :

As

shown in Fig.

2-6(a),

when

there

is not variation

in

the positive

side envelope

of the RF signal,

the status of

lC3 pin 6 remains

"L" and

the SW is kept

conductive.

When

the RF

signal

lacks lower-side

envelope,

the MIRR

signal

goes

"H" and,

as a result,

the

SW controlled

by lC3

11

is changed from

'l

2,

which

is the

TE

signal

input

from

CX20109,

to pin

13. Pin

13 is

applied

with

a constant

voltage

of + 0.5V or -0.5V from

the SW

controlled

by lC3

pin 10. The polarity

of the constant

voltage,

+ 0.5V or

-0.5V, is determined

by the signal from lC2(112ir.

(Fig.

2-6(b)

to (e))

Therefore,

when

the MIRR

signal

goes

"H", the

polari-

ty of the tracking error

signal

from CX20l09 is detected.

When

the polarity

is positive,

a voltage

of + 0.bV is

applied

to lC3

pin 13 via

15,

and

output from lC3

pin 14. When

it is

negative,

a volgage

of -0.5V is

output

from

lC3

14 via

the

same routing.

When

the MIRR

signal rerurns

Lo

"L",lC3 pin

I4 out-

puts

the TE

signalfrom

CX20109.

(Fig.

2-6(f),

(S))

C!RCUIT

DESCRIPTICIIU

RFO

OV

o2

emitter

tc2l2l2l

pin 7 output

OV

tc212l2l

7 output

RFO

OV

tc2l1l2l

'l

output

OV

{-l +5v

tc3 ll

pinoinput I I (d)

lc3

14 output

.

' bv

FnHrt*.1*F-{fift}.|r{ilrttlF (e}

?

I

Fis.2-5

(b)

(c)

-4V

(a)

(b)

+4V

(c)

-4V

(s)

F,,

ie-nJ,

","n/v\Y

lC3 t- =

5V

10

input I I (d)

OVa

lC3 t- +

0.5V

15

outPutu

ffi -o.uu

t"'

MrRRoutput n n n n +5v (rl

l?nt,oou,ou,

A f- tl- /l- /

ovm

:{-;

Fis.

2-6

11

CIRCUIT

DESCRIPTION

3.

Duaf

D FliP-FloP

lC:TC74HC74F

(X25-2850-

O0

: lC1'lC4)

d:

\l

4'

\i

3-2. Truth table

4-2. Truth table

Table

3-1

CLR1 Dl CLKT

Fig'

3-1

4.

Hex

D FliP-FloP

lC

:

TC74HC174F

lX25-285O-00:

lG3)

CLEAR 10 ru

Fis'

4-1

5. DA Converter

: PCM56P-K

"' ifisl-iebo-rr

:

lc1,lcz)

5-1 . Block

diagram/

Terminal

connection

diagram

\.

ANALOG OUT

(r3.0vl

3-1. Block

diagram

CLK1 PRl

Fis.

3-1

L

H

H+

L

H

G

O0 : Condition before

inPut

4-1 . Terminal

connection

diagram

vcc 60 6-D P X

Table

4-1

cK-

LEC'

(OAT

Fis.

5-1 12

r3

s^

cf

RculT

0EscRtPTt0tu

6. Digital

filter

: SMS804B

(X25-2860-11

: lC4)

6-1. Block

diagram

xI

XT

;-T

cKo

CKSL

lssf

scsL

Table 6-1

glElglflrac

oOO@

oooo

No5x

"0L

iq.nf

tii':::

'B;:t

5-2. Explanation

of terminals

Terminal

No. Terminal

name Function Terminal No. Terminal

name Function

1-Vcc Analog negative

power

supply. IVout Voltage

output

2' DIG

GND Digital

ground. 10 HF Feedback

resistor.

+VL Logic

positive

power

supply. tl el Summing

junction

(op

amp.

input)

NC No connection. 12 ANA GND Analog

ground.

CK Clock input. IJ I out Current

output.

6LEC Latch enable

control inout. l4 MSB

ADJ MSB

adjustment

terminal.

DATA Data input. tc V POT Potentiometer terminal.

ILogic negative

power supply to * Vcc Analog

positive

power

supply.

Table

5-1

FlESletBlfitfitEc

Mu!tiplexer/Accumulator

{16x18bit/25bitl

Outpur lslch/Output timin€ CCT.

6-2. Explanation

of terminals

Terminal

No. rerminal

name alo Function

S-two Serial

input mode

select.

SI

EB B ch serial inout enable.r

siEa ,A ch

serial input enable.'

ABCKI ISerial

input bit-clock

input.

5SID ISerial input data

11 CKSL IERSI = "H" for external

clock

inout.

12 Vss GND

power

supply

terminal

(0V).

XT Clock input

when

e KSf = "H"

18 POMD POMD

=

"L" for in-phase

parallel

output mode

19 SOMD SOMD

=

"

L" during

serial

output.

tn LSBO

27 SODA oA ch serial

data outout.

28 SODB oB ch

serial

data

output.

30 BCKO oSerial

output bit-clock

outpur.

co4 OSerial

output control clock

4.

44 FdST FOS-L

= "H" for serial outpur

mooe.

45 YOFB TOFB="U" for

2's comptement

display

outpur

46 VDD Positive

power

supply

terminal (+

5V).

47 XOFB XOFB

=

"H" for

2's complement

display

input.

48 PISL IPISL

= "H" for serial

input mode.

60 LSBI ILSBI

= "H" for MSB-first

serial input.

13

Fis.6-1

6-3. Explanation

of functions

o Basic

configuration

of filter

This LSI makes

it possible

to 4-fold

oversampling

out-

put of both L and R channels

from a single

chip'

When

the

sampling

frequency

of the

input

is

44'1kHz,

the

output

rate

is

176.4kH2.

This LSI incorporates

two stages

of linear-phase

FIR

(non-cyclic) filters

connected

in series'

The

1st

stage

output

isthe2-foldoversamplingoutput,andthe2ndstageoutput

is

the

4-fold

oversampling

output'

CIRCUIT

DESCRIPTION

Fig.6-2

Fig.

7-1

Fig. 6-2 shows

the simplified diagram

of filter

configu-

ration.

The lst stage

filter (DFl) is an 8O-step

FIR type

filter,

and.the

2nd

stage

filter (DF2)

is

a 15-step

FIR

type

filter. Both filters

have

the.2-fold

oversampling

function,

so that a total of 4-fold oversampling

output can be ob-

tained.

OUTPUT

176.4kH2

(4-fold

over-

sampling)

7. Signal

processorlC: CX23035

(X32-1090-11 : lC3)

7-1. Block

diagram

Eg s

99I

;NF

I' s

-t

=o

aa

o6

t003uu'

lSUEuoo

eo9

383,

ERROR DET.

€RROR

CORRECTION

EEEHa

RHgFHsBEEaE

14

CIRCIJIT

DESCRIPITOru

\.

)7-2. Explanation

of terminals

Terminal No. Terminal name vo Function

1FSW oSpindle

motor output filter time constant switching output.

2MON oSpindle motor ON/OFF control output.

?MDP oSpindle motor drive output. Rough

speed

control in CLV-S

mode,

phase

control in CLV-P mode

4MDS oSpindle motor drive output. Speed

control in CLV-P

mode.

5EFM EFM

signal input from RF amp.

6ASY oEFM signal

slice

level control output.

7MI

RR IMIBROR

input

from RF amp.

8vcoo oVCO output. f = 8.6436MH2 when locked to EFM sional.

vcol VCO

input.

10 TEST tov).

11 PDO oPhase

comparison outpu't between

EFM signal

andVCO12.

12 Vss GND

(OV)

tc CLK Serial

data

transfer clock input from CPU. Data

is latched at rising

edge

of clock.

14 V'T Latch input from CPU. Data from B-bit shift register

(serial

data

from CPU) is latched in

each

register.

15 DATA Serial

data input from CPU.

to XRST System

reset input. Feset at "L"

CNIN Tracking

pulse

input.

i8 SENSE oOutput of internal status in correspondence

to address,

19 MUTG Muting input. When

ATTM of internal register A is

"L", MUTG : "L" Ior normal

status

and

MUTG : "H"

for soundless state.

20 CRCF oSubcode

O CRC check

result output

t1 EXCK Clock input for serial subcode output.

zz SBSO oSerial subcode output.

23 SUBQ oSubcode Q output.

SCOR oSubcode sync

SO

+ Sl output.

25 WFCK oWrite Frame

Clock output. f = 7.35kHz when

frame

sync

is locked.

28 GFS oFrame

sync

lock

status display output.

29 DBOS tlo External FAM data

terminal. DATA 8. (MSB).

30 DBOT /o Exlernal

FAM data

terminal. DATA 7.

5t DB06 t/o External

BAM data

terminal. DATA 6.

5Z DBOS /o Exlernal

FAM data terminal.

DATA 5.

33 VDD Power

supplV

(+

5V).

34 DB04 t/o External RAM

data

terminal. DATA 4.

35 DBO3 tlo External

RAM data

terminal. DATA 3.

JO DB02 t/o External RAM data terminal. DATA 2.

37 DBOl tlo External RAM

data terminal. DATA 1 (LSB).

38 RAOl oExternal

FAM address

output. ADDROl (LSB).

'39 FA02 nExternal RAM address

output. ADDR02.

40 RAO3 oExternal

RAM

address output. ADDR03

41 RA04 oExternal FAM address output. ADDR04.

4Z RAOS oExternal

FAM address

output. ADDR05.

FAO6 oExternal RAM address output. ADDR06.

44 RAOT oExternal RAM address output. ADDR07,

FAOS OExternal RAM address

output. ADDR08.

46 BAO9 oExternal

BAM address

output. ADDR09.

47 RA1

OoExternal RAM address

output. ADDF10.

48 FlA I I oExternal RAM address output. ADDR1l (MSB).

49 RAWE oWrite Enable

output to external RAM. (Active

when "L")

50 BACS oChip

Select output to external

RAM. (Active

when "L")

Table 7-1

)L

1Tl

t-

r ;';

15

:

f*ut ilffiid"o outP" t =

+'23gonllHt'

GND

(OV). - -

I'.JlIiiu,* inp"'

+

=

e'aoz2MH'' ', ,

c

r*.

" * "\"d"yJ,

-!-,1

*T: r:

::i

ii

li

;::i:;

iffiilH::;

Terminal No. Terminal name l/o

51 c4M

52 Vss

53 XTA

56 c2PO o

58 SLOB IAudio

9ata

o"lp'] !"]i^ r,:;;i:;;i;;i;;; ;;t;;

;;;;;;i;i o* "*,

"*" to'

parutt"' ou*out'

59 A!1i:

oala

oi:P:;Uf' " 1=

"1"

Power

suPPlY

(+

5V)' ffiI.tout when

PSSL

= "L"

70 DA09 n

VDD

-14 DA12 oDA12 outPu NtrNIP rt when PSSL

-

75 DA13 o

76 DA14 n

7A DA1

6oDA16

outpur

80 LRCK o44.1kt12 strooe srgl

CIBCUIT

DESCRIPTION

Table

7-1

Notes) PLCK : YCOt2output' t = 4'3218w{zwhen locked

with EFM signal'

DENL : L CH serial

data

enable

signal'

DENR : R CH serial

data

enable

signat'

8.

Digital

output

signal

demodulator

lC : CXD1075P

(X32-1090-11

: lC9)

8-1 . Block

diagram

o

flcsse

C21O: lnverted

dZT-0

o'tPut'

Tzro , Bit

clock

output'

f =

2'116BMHz'

DATA : Audio

signal

serial

data

outpur'

t

9x

ii

-f

8-2. Terminal

connection

diagram

BCK

DATA

LRCK

VRDTY

cl0

CFCF

vss

CKSL

EXCK

D1

02

D3

D4

D5

D6

VDD

D7

LSFT

XILR

INVB

I92FS

XTAL

EXTAL

CBSL

RSET

TEST

c9

TX

Fig.8-2

?I

241

231

221

21

20

19

18

17

't6

15

t

2

4

o

6

9

10

I

111

I

112

| 13

lra

16

Fig.

8-1

!

\

p

8-4. Explanation

of functions

o Selector

pins

For increased

freedom in the selection of the signal

processor

LSI

lC,

the

digital

output

signal demodulator lC

is

equipped with various

selectors that can

select

the inter-

nal

functions

according

to the

signal

processor

LSI

lC used.

TEST

(pin'i

7) :

Test mode setting

input.

Fixed

at

"L".

RSET

(pin

18)

:When

TEST is

"L", the signal

demo-

CIRCIUT

DESCRIPTION

Table 8-2

LSI lC are

set

by

the

"H" and stops

when it is

"L". When

the

LSI is not

operating, only

192Fs is

output norrnally

while other outputs

are

fixed.

The following five pins

are the selector

pins

which sets

the

signal

processor

LSI

lC.

)u

eTt

l: The modes

of the signal

processor

above

methods.

8-3. Explanation

of terminals

Terminal

No. Symbol vo Function

BCK IBit clock input. Connect

the clock

which shifts

out data

in the external digital audio data output circuit.

DATA Digital audio data input (NRZ).

LFICK IClock input for L/R channel identification of digital audio data input.

The frequency

is

equal

to Fs

(sampling

frequency).

4VRDTY IValidity flag input. "H" flaq is used when the

data

is

being

processed

by interpolation,

etc.

5cl0 IC-bit category code C1 0 presetting

input.

6LNUT IC-bit

block

start

sync input. When

CX23035 is

used, connected this terminal

to the CBCF output

(pin

12),

I

n

other cases, the siqnal is fixed at

"H".

7Vss GND.

8CKSL Input for

selecting if the reference clock

is

EXTAL or its 1/3.

YLSFT Input for selecting between LSB firsr

and MSB

first operation.

10 XI

LR lnput for selecting between LRCK "H" and

"L"

11 INVB lnput for selecting if BCK timing used

is the rise or fall

12 ts,zrs UClock output for use as

CD master clock

when CD is connected.

The frequency

is

192

times the sampling frequency.

IJ XTAL oWhen

a X'tal oscillator is used. it is

connected acrossthis

pin and EXTAL (pin 14)

14 EXTAL When

a X'tal oscillator

is

used, it is connected

across this

pin and XTAL (pin 13). In other cases, this pin

is used for external

clock input.

15 TX oOutput of transmission data converted

into the digital interface

format.

to C-bit

category

code

is (C9,

C10)

= (1' 0) so

the bits

are

fixed

at

C9

= "H" and

C10

= "L"'

Note : D4 (SUBO) is read at the rise of D2 (WFCK)'

latched

and,

when CRCF

= "H"' loaded

as

the

C'bit

data

at the fall of D3 (SCORI'

lf CRCF

= "L" '

the Previous

value

is

held'

With this LSl, it is also

possible

to input the chanel

status

data

in parallel.

In this

case'

lDO'

lD1' COPY'

EM-

PHASIS

and category

code

are

input respectively

to D4'

D5,

D6,

D7

and

C9

and

C10

bv

direct

DC

inputs'

WFCK

EXCK

SBSO

18

SYNC.

PATTERN

Fig.

8-4

I

\

3

D3{SCOR}

-rr-r rTr l-r l-rz- r l-r l-r r-r l-r l-

D4(suBol v lp0(1lv

lp1(1)

vcopy(1xEMp(1)\____ X

rootzlXrortzlrcopvtztY

euptztv

D2{WFCK)

CRCF

lnternal

register

Fis.8-5

LFCK

5) Validity flag

For validity flag, apply the flag synchronized

LRCK to VRDTY

(pin

4)

as shown in Fig.

g-6.

i;.',li | ;i;:r:r,:.1

:'r:

DATA

VNDTY

Fis.8-6

Pu

NU

r.'

t3

CIRCUIT

DESCRIPTION

4) User-definable

data

The U-bit data is reserved

for inch:ding the CD sub-

code. Similarly to C-bit data,

the CD

subcode

can be

super-

imposed

by supplying

the CD LSI output directly to the

signal

demodulator LSl.

When

WFCK is input to D2 (pin

26) and

SCOR to D3

(pin

25), EXCK

{pin

28) is output. When

EXCK

is input

to

CD LSl, it outputs

SBSO

(subcode

data),

which

is

input

to

D1

(pin

27).

rD0{0), rD1

(0),

coPY{o}, EMP(ol rD0(1

1,

lDl

(1

),

COPY(1

),

Er,rP(l

)

19

CIRCUIT

DESCRIPTION

9.

Microcomputer:

pPDTS2OBCW-O4O

(X32-1090-11

: l0l1)

9-1. Terminal

connectiondiagram

o HB .-.

'od

E s9 c irg i* e

9 9 a o

u 3 E

D 3 3

3

gbe

6o

s

s 6 z=aizz

H ?Eg:Eiil""uevn!:sErrs

f,8eHX

zi

a= Fig.9-1

33S68ESEE333$689e5€9$SSE9gSDgggs

OFNO:P9:P9RFN&SRRRRRSES

FNO{o@F@OFF_

9-2. Explanation

of terminals

Terminal

No. Terminal name t/o Function

Pd

-Pa oF

L tube

segment

display

outputs.

5SENSE SENSE sisnal

input

(from

CX23035, CX20108).

6WFCK O data

readout

clock input (from CX23035).

7SUBO O data

input (from CX23035).

8O

dara

CRC OK

("H")

input

(from

CX23035).

IRCI Remote

control siqnal input.

10 SCOR O data sync

signal

input (from CX23035).

11 FOK Focus OK

("H")

input

(from

CX2O109)

1a GFS EMF

sync

OK ("H") input

(from

CX23035).

IJ RMUTE oRelay muting

ON/OFF ('L"l"H"l signal

output.

14 EMPH oEmphasis

ON/OFF ('L"l"H"l signal

output.

i5 DI RC oDIRC signal output (to

CX20109).

tb MUTG oMUTG

siqnal output

for mutins

ON/OFF

('H"/"L"| (to

CX23035).

'1

8SLT SW Start limit SW signal

input

(SW

ON : "L").

19 OPN SW Tray open SW signal input (SW

ON : "L")

20 CLS SW Tray close SW signal input

(SW

ON : "L")

11 -aA Ki

-K4 Main unit key

inputs.

25 DATA oControl data signal output (to CX23035, CX20108).

zo XLT oControl data Iatch siqnal output

(to

CX23035, CX20108).

27 CLK oControl

data clock

signal output

(to

CX23035,

CX20108).

28 LDC oLaser ON/OFF ('H" /"L"1 sisnal

output.

XRTS oControl reset

signal

output (to CX23035,

CX20108).

30 X1 Clock oscillation X'tal connection

ter.minals

(Oscillation

f requency

=

4.1 94MHz).

JI x2 o

32 Vss GND.

35 OPNM oTray open/close signal output. Normally OPNM

: "L" and CLSM

: "L".

For opening,

OPNM

: "H" and CLSM

: "L". For

closing, OPNM

: "L" and CLSM

: "H".

36 CLSM o

38 INV olnvert

ON/OFF ('H" /"L"\signal output.

JY R ESET Reset

signal input.

40-51 G1-G'1 2 oFL tube

digit display output.

AA PI oFL tube segment

display output.

55 PK o

56 VLOAD GND.

57 VPRE GND.

5B Pj oFL tube segment display

output.

59 Pi o

60 KO oKey sense

output signal.

61

-63 Pq-Pe oF

L tube segmen-t display output

64 VDD +

5V.

Table

9-1 20

ADJUSTMENT

I

t

l.

F;

w

p

1. Adjustment

No. ITI}I I NPUT

SETT I IiGS OUTPUT

SETT I IiCS PLA

YBR

SETT I I,{GS

AL

I G l{}lENT

P0l

l,lTS AL I OlI FOR FIG,

YCO

ADJUSTMENT

Connect

an

f-counter

across

TP1

(Gl'lD)

of )(32-1090-11

and

TP10

(PLC()

Tray

open,

or stop mode

Turn

core

of

coil of L2 of

x32-1090-11

$/4). 4.32MHz (a)

LASEB

POYER

CIIECI{

(Yhen

PU

seems

o be defective

Place

an

opt ical

power

|Ileter

on

the

pickup.

Tray

-open.

Connect

TP8

of X32-

1090-11

(A/4)

to G}lD

O During

test mode,

set the CHECK

key

0N

Tray opens

and

the LD

is turned 0N.

0( if from

100

p{ to

200

zI (b)

RF

OFFSET

CH EC(

Con

nec

t

an osci I

loscope

to

pin 2 (RF)

of Cll4

of X29-1780-00.

(A/4)

Connec

t

the oscilloscope's

GND

to TPl (GND).

Tray open,

or stop mode. Adjust

to approx.

-0.70

(v). (c)

4IEST }I{ODI

SETT

I NG

Place

test di

Type

4

ol the

tray,

and colnplete

Ioading.

Short-circuit

the

connector

of CNl0

of X32-1090-i1(A/4)

Turn

P0}{Efi

S[ OFF

then 0N

again. Check

that

the

display

is 01

oo (d)

qTANCENT

I,{L

sErT I t{c

Place

test dis

Type

4

on

the tray,

and conp

I et

e

loading.

Con

nec

t

an

osciiloscope

to pin 2 (RF)

of CN4

ol X29-1090-00.

Press

CIIECK key.

Ihe laser

ttill be

focused.

(Test node)

Hex

recessed

scre,r

below

nechanism

The

displfy

shal

l be 03\0,

and

the

anplitude

naxinum.

(e)

o

FOCUS

I NG

OFFSET

COARSE

AD

J

UST}i1ENT

Place

test

dis

Type

4

on

the

tray,

and

complete

loading.

Con nec

t

an

osci

I loscope

to pin 2 (RF)

of CN4

of X29-1090-00.

Press

CHEC(

key.

The laser

will be focused.

(Test

mode)

Turn

YR2 of

)(29-1780-00. ilaximum

ampl

itude. (e)

7T.

ERROR

BALANCO

COARSE

AD

J

USTII ENT

Place

test

disr

Type

4

on

the tray,

and conpl

ete

Ioading.

Connect

oscilloscope

CHI

to pin 2 (RF)

of

CN4

of X29-1780-00,

and

connect

CH2

to pin 3 (TE).

Press

CHECK

key.

The I aser

vill be

focused.

(Test node)

Turn

VB1 of

)(29-1?80-00.

Adjust

so that

T.ERR0R

arnpiitude

is

synmetrical

above and

below

0 (V). (Photo

5)

(f)

8TA],{GENT

IAL

AND FOCUS

I }iG

OFFSET

F I NE

AD

J

UST}ll ENTS

Place

test dis

Type

4

on

the tray,

and conpl

ete

loading.

Colnec

t

an

osci

I loscope

to pin 2 (RF)

of CN4

of X29-1780-00.

Press

PLAY

key.

(Tracing ,till start

(Test node)

YR2 of

x29-1780-00,

hex

recessed

scretr

below

nechanism.

Turn

YR2 and

hex

recessed screw

alternately

to obtain

opt itrrun

waveforn

(e)

9T.

ERROR

BALA

NC E

II{E ADJUST]ilENT

Place

test

dis

Type 4

on

the tray,

and

corl)pl

ete

loading.

Connect

osci I loscope

CH1

to pin 2 (RF)

of

CN4

of X29

-1780

-00,

and connect

CH2

to pin 3 (TE).

Press

CIIDCI(

key.

(Focusing

servo

on I

y rnode)

(Test

mode)

Turn

l/RI

of

x2

I

-l

780

-00

Adjust so that

T.ERROR

arnplitude

is

sYnnelrical

above and

below

0 (V). (Photo

5)

(f)

l0 FOCUS

CA ] N

,4 DJ

UST}lENT

Place

a test

disc

on

the

tray and con-

plete

loading.

Appiy

700H2,

0.4

Vrns

to

in 2 of CN2

of

x29

-1780

-00.

LOnnect

L_f.f

to pin 1 of CN2

of I29

-1780

-00,

and

connect

oscilloscope

or

AC

voltlireter.

Turn POilER

Sll OFF

then 0N again.

Then

press

PLAY key

o start

nornal

play.

Turn

VR3

of

x29-1'i80-00. Adjust

so

that

the

AC

voltneter

or oscilloscope

indicate

40 rnVrms. (s)

t1 TRACI(

JNG

GA Il{

IDJ USTIjE],{T

Place

a test

disc

on

the

tray and coln-

plete

loading.

Apply 900H2,

0.4

lrnrs to

tin

4 of CN2

of

.tr29

-1780

-00

Connec!

L.P.F

to pin 5

of CN2

of X29-1780

-00,

and

connec

t

an osc i I loscope

or

AC vo

I

tneter.

Nornal

play Turn

VR4 of

x29-1780-00. Adjust

so

that

the AC

voltneter

or oscilloscope

indicate

40 mVrns.

(s)

:

21

AL IGI{ FOR

AL

I

GN11DNT

PO

I I,ITS

PLAYER

SETT

I NGS

OUTPUT

SETT

I NGS

Adjust

so

that

the

output

is betveen

1.9

and

2.0 Yrms.

i I Turn

YRI

Connect I Ptav

t kltz' lof

X25-2860-11

, rlttiuoitr.t.r,o | 0

dB

sisnal l for

L

ch vR2

,h.

orrou,

terninal.

I I tor

R

ctt'

Test

disc

TvPe

4

I2 I

DAC

,{DJUSTIIENT

Effective

keys

in the Test

mode

and

their functions

ADJUSTMENT

Table

1

(

Note : How

to enter

the test

mode

Sfrort-circuit

connector

CNi

0 of the

(X32-1090-11

| lAl4l, turn Power switch

Power

switch

ON

again.

CD Player

unit

OFF,

then

turn

2.

Funstion T. No. dirplay

No, Input key

frFAcK

No.

I

LFI

F

l-t -t

J

Displayed

for a few

seconds

after

(1

)

to (3).

J

Disc's

Track

No. is

displayed.

1PLAY

(1) Focus

servo " ' ON'

l2l Trackingservo """ ON'

(3) Feed servo " " ON'

When

the key

is

pressed

in the

Stop

mode'

the servoes

are switched

ON

automatically

in

the

order

from

(1)

to (3)'

(1) Focus

servo " ' ON'

Ql Tracking

servo OFF'

(3)

Feedservo....

'. '... " " ' OFF'

(1) Focusservo ' ' ' ON'

Ql Trackingservo " " ' ON'

,O\ E^^A-^^r^ -.. OFF,

1:;_-;

Lt _t

CHECK

f

rEAcK

No

t_

Lt U_l

l_l t

\

CLEAB

f rRAcK No.

t_

'lll

t_tt

STOP

(1) Focus

servo ' ' OFF

l2l Trackingservo . . .. ' OFF

(3) Feed servo . OFF

(1) Tray : OPen.

l2l Laser. ."" ON' l_^ _"

'l_l/

5BEPEAT

oFF(>t) In Stoo mode : Moves

the PU slightly to the outer tracKs'

,^[+h {A^i .-^'^ nNl qwil.hcc the trackino oain to "H".

7FR(<<) ln Stop mode : Moves

the PU slightly to the inner tracks'

r^r:+h {aarl "orwn ON : Switches the trackinS gain to "L".

IOPEN/CLOSE Release

the Test mode and opens

the tray'

22

)

\

>3. Diffraction grating

While adjusting the refraction grid, be

grids

are completely

misaligned,

o While

in the test

mode*l, press

CHECK

only the

focusing

servo ON.

*1 Test

mode

:

To enter this mode, short-circuit connector CN10 of the CD

Player unit {X32-1090-1

1l |"4'l4l

, and turn Power

switch OFF then

ON

again.

*2 CHECK key

:

For details, refer

to Table

1.

ADJUSTMENT

sure that the

key"2 to set

Difiraction grid

adjustment

error

(reverse

direction)

Check the diffraction

grid.

Adjust

the

pickup's

di-

ffraction

grid

for

the

maximum amplitude

5.0(Vp-p)?

Adjusl

the

pickuP's

di'

ffraction

grid

for

the

maximum

amplitude

ls swelling observed

with T.E in approx. 12gs

after

RF

trigger

is applied at

the upper

side of the

(

+ )

slope?

The

pickup's

diffraction

grid

may be

largely

erroneous: Turn the diffraction

grid

ad.justing driver

to maximize

the

amplitude

at the position

where the

swelling is

observed

12ps alter

triggering

ls the

RF waveform

undistorted

when the

CLEAR key

is

The pickup's

diffraction grid

may be

erroneous

in the reverse direction:

Largely

turn the diffraction

grid

adjust-

ting driver to maximize

the

amPlitude

at

the position

where swelling is observed

12ps after triggering

Press

the

CHECK

key again

The dilfraction

grid

ad-

justment

is

comPlete.

nLl

"u

n

lln

ll0

ll

,d

NU

bf|l

llou

unE

flUn

4il

llctl

tld

fl

un

Procced

to the

next adjustment

YES

(Photo.

1

YES

(Photo.

UL

w

&,^

$3 When diffraction

grid

adjustment

is

complete Diffraction grid

adjustment

error

(large

error in f

orward-di

rectionl

Fis.

123

ixf

,.' ' j

|.1::

,".:l

li

BEG

LAG

E

1. R6glage

tI" I TE}d LlrLAttI l]U

I.' FIITPFF TEULAbL

DE SORTIE REGLAGU

DE

LA

LECTURE ful Ilt

D, AL I GNEI{EI{T I,IOI'IER POIiR Flc

IAJ

USTE]|IEI{T

rVC0

raccoroer un

compteur-f

en

traverl

de

TP11

(GND)

de

)(32-1090-11.

et TP10

(Pl.C()

Tiroir ouvert

ou node d'arr6t

Tourner

le

noyau de

la

bobine

de

L2

de

X32-1090-11

(A/L)

4.32MHz (a)

l/ERIFIC,tTION

DE PUISSANCE

)U

LASER

(quand

PU senble

dd fec

t

ueux)

Placer

un conpteur

de

puissance

optique

au-dessus du

capteur

Tiroir-ouvert.

Raccorder

TP8 de

X32-

1090-11

(A/4)

a CND.

D En mode de

test, 16-

tler la touche

CHECK su

0N. Le

t.iroir s'ouvre

et DI- est mise srrr 0N

Correct

si entre

100

pI et 200

tf. (b)

VERIFICATION

D'OFFSET

RF

raccoroel un

oscilloscope d la

broche

2 (RF)

de CN4

de

X29-1?80-00.(i/4)

Raccorder GliD de

l'osci

I loscope

r Tpr rnilD)

Tiroir

ouvert

ou node d'arr6t Acceptable si aux

envlrons 0e

-u,

tu (vl (c)

,1 RECLACE

DE

MODE

DD TEST

d

de

le

acel

un

que

test

ype

4 sur

iroir et

fectuer

Court-circuiter

le connecteur

de

CN10

de

I32-1090-11(A/4).

]Vl6ttre

I'interrupteur

P0YER

sur OFF

puis

sur 0N.

Vdri

fier que

1' affichage

est 01

oo. (d)

R

ECLAGD

I,{l{GEliT

I

EL

Placer

un

disque

tes!

de

type 4 sur

ie

tiroir

et

elfectuer

I a ahrrsahAnf

Rac

co rd er

un

oscilloscope

d la broche 2 (RF)

le

CN4 de

X29-1780-00

Presser

la touche CHECI(.

Le laser

sera

nise

au

point.

(Mnda dc tact)

Vis hexagonale

sous

le n6canisne

L'affichage doit

etre 03

oo

et

I' ampl

i

t

ude

max i nun

.

?

(e)

o

A

J

USTEi,l ENT

A PPROX I }{trT

I F

DE L'OFFSOT

DE

IIISE AU POINT

Placer

un

disque

test

de

type

4 sur

le tiroir et

effectuer

I c chargpnpnt

Raccorder

un osci

I loscope

la broche

2 (RF)

CN4 de

X29-1780-00

e

Pres s er

la touche

CIIEC(,

Le laser

sera nise

au

point.

(l,lndp dp +oct)

Tou rne

r

YRZ

de

)(29-1780-00. Anplitude maxinum (e)

7A

J

USTE}i{ENT

A PPROX I }i{,{T

I F

DE

BALANCE

T,

ERROR

P

di

de

le

e

la

acer

un

que

test

ype

4 sur

iroir et

fec

t

uer

Connecter

le canal

I de

I' osc i I loscope

A la broche

2 (RF)

d

0N4

de

X2s-1780-00

et raccorder

le canal 2

A

la lpssSs 3 (TE).

Presser

la touche

CHEC(.

Le laser sera

nise

au

poi

nt .

(Mode

de

test)

Tourner

YR1

de

x29-1780-00.

Ajuster

pour

que

l' ampl

itude

T. ERROR soi

t

syndtrique

en-dessus

et au-dessous

de 0 (V)

{Phntn \)

(f)

8

AJUSTE},{ENTS

PREClS

DE

,'OFFSET

TANGEN

.IEL

DT DE

iIISE

AII PN I N?

P

di

de

le

e

le

acer

un

que

test

ype

4 sur

iroir et

fec

t uer

hargenent

Raccorder

un osci

I

Ioscope

d ]a broche

2 (RF)

le CN4

de

X29-1780-00

Presser

1a

touche PLAY.

Le

tracage connencera

(Mode

de

test)

VR2

de

x29

-1780 -00,

vis hexagonale

sous

lp m6nenicmp

I OUrner

alt.ernativenent

YR2

et la vis

hexagonal

e pour

obtenir une forme

d' onde oot i nr

(e)

9A

j USTEIiiENT

PREC

I S

DE

BALANCE

T. ERROR

Pl acer un

dj sque

test

0e

type 4 sur

le tiroir et.

effectuer

I e chargement

Connecter

le canal

I de

I'oscil

loscope

A la broche

2 (RF)

dr

CN4 de

X29-1780-00

et raccoder

le canal

2

A

la broche

3 (TE).

Presser

la touche

CHECI{.

(}i|ode

d'

asservissenent

de

mise au

point

seulernent)

(Mndp de tecr)

Tour n er

VR1

de

x29

-1780 -00

Ajuster

pour

que

I'amplitude,.'

T.

ERROR so

i

r

/

syn6trique

en-debsus

et au-dessous

de

0 (Y).

(Phot

o 5)

(f)

t0 AJUSTE}ilEI,{T

DE GA III DE

}i|ISE AU POINT

ilacer

un disqu

test ayant le

noins de

d6laut

possible

et

effectuer

I e chargement

.

Appl

iquer

un

signal

700

Hz,

0,4

v a la

broche

2 de Clli

dp I90-1?10-nn

Connecter

L. P. F.

d la broche

1

de

CN2 de

X29-1?80-00

et raccorder

un

oscilloscope

ou un voltn6tre

CA

Mettre

I'interrupteur

P0{ER sur OFF

puis

e nouveau

sur 0l{.

Et

presser

la touche

PLAY

pour

c0nfienceI

la Iecture nornale.

Tourner

VR3

de

x29-1?80-00

Ajus!er

pour

que

1e voltmdtre

CA

ou

I'oscilloscope

indique

40 mYrnrs.

(s)

tt

AJUSTE}lENT

DE G,4IN

D' AL I GNEIIENT

)lacer

un disqur

test ayant

le

roins

de d6faut

possible

et

effectuer

I e chargernent

.

Appl iquer

un

signal

900

Hz,

0,4

\/

e la

broche

4 de

Clil

dc Xr9-l7Rn-0n

Connecter

L. P.

f.

i la broche

5

de

Cltl2

de

X29

-1780

-00

et raccorder

un oscilloscope

ou un

voltndtre CA.

Lectuer nornale Tour ne

r

VR4

de

x29-1780-00.

Ajuster

pour

que

le volt|116tre

ou 1' osc i I

loscope

indique

40

nVrms.

(g)

t2 ,{JUSTE}|EIIT

DAC Disque

test

Type

4

Rac corder

un

nillivoltn6tre

A la borne de sortie Lire un signal

lkHz, 0 dB.

'lourner

yRl

de

)(25-2860-1i

rour

1e canal

G

et Yn2

pour

lc.nrnel I)

Ajuster

pour

obtenir

le niveau de

sortie

entre

1, 9 et 2, 0 Yr||.s. (h)

24

L

s

REGLAGE

/n'

!l

t-

ir-

;f

t:

8"

Remarque

: Pour

entrer en

mode de test

Court-circuiter

connecteur CN10 du lecteur

CD (X32-

1090-1

1l (Al4l

, mettre

l'interrupteur

d'alimentation

sur

OFF puis

mettre l'interrupteur

d'alimentation

a nouveau

sur ON.

@u

tr

ffi

2. Touches fonctionnant en mode

de test et leurs fonctions

NO Touche d'entr& Fonction Affichagc T. No.

1PLAY

(1) Asservissementdemistauooint

. . . . . . ON.

(2) Asservissementd'alignement

. .... ON.

(31 Asservissementd'alimentation

. . . . .. ON.

Ouand la touche est

press6

en mode d'arr€t,

les

asservissements

sont

automatiquement

commutds

sur ON dans

l'ordre de

(1)

a

{3).

f rFAcK No.

I

LFt

F

Lt:]t

J

Aff ich6

pendant

quelques

secondes aprAs

(1

)

d (3).

J

Le

numdro de

piste

du disque est affich6.

zCHECK

t1) Asservissementdemiseaupoint

. . . . . . ON.

l2l Asservissementd'alignement ... OFF.

(31 Asservissementd'alimentation

. .. ... OFF. t;:

Lt a

CLEAR

1) Asservissementdemiseaupoint . . . . . . ON.

2l Asservissement

d'alignement . . ON.

3) Asservissement

d'alimentation OFF.

I t"^.- ""

Ti'-l

4STOP

1) Asservissementdemiseaupoint

. . . . . . OFF

2l Asservissement

d'alignement . . OFF

3l Asservissementd'alimentation

. . .. . . . OFF

f

rFAcx

No

t_.

'l

ll

Lt I

REPEAT

{1) Tiroir:

Ouvert.

lA Laser. ..... ON.

,-;'

tl

bFF(>t)

En mode d'arr€t : D6place lfudrement le capteur vers les

pistes

exlernes.

Avec l'asservissement d'alimentation

sur ON : Commute le

gain

d'alignement

sur

"H".

FR(+{)

En

mode

d'arr€t

: D6place lfudrement le capteur vers les

pistes

internes,

Avec

l'asservissement

d'alimentation sur ON : Commute le

gain

d'alignement

sur

"L".

IOPEN/CLOSE Rel6che le

mode

de test

et ouvre le tiroir.

Tableau

I

25

Ouand

le r6glage du r6searu

de

diff raction

est termine

REG

LAG

E

Erreur de r5glage

du

reseau

de

d

iffract

ion

(Direction

inverse)

Erreur

de r6glage

du reseau

de

d

iffract

ion

(grande

erreur

en direction

avant) 26

r

3. R6seau

de diffraction

Tout en adiustant

le r6seau

de r6fraction,

s'assurer

gue

les

grilles,

sont

completement

d6salign6es'

o En mode

de test*l, presser

la touche

CHECK*2 pour

mettre uniquement

l'asservissement

de mist au point

sur

ON.

*l Mode

de test

:

Pour entrer

ce mode,

court-circuiter

connecteur

CNlOdu lecteur

CD (X32-1090-11ir

(Al4t et mettre

l'interrupteur

d'alimentation

sur OF F

puis

a nouveau

sur ON.

*2

Touche CHECK

:

Pour

plus

de d6tails,

se

r6f6rer au Tableau

1.

V6rifier

le rEsearu

de diffraction

F69ler le

r6searu de

diffraction du capteur

pour

une amplitude

max

imu

m

T.E

est-il

5.0(Vp-p)?_

R69ler

le

r6searu

de

diffraction

du

capleur

pour

une

amPlitude

max

lmu

m

est-il observ6 avec

T

en environ

12us

aprds

que

le

d6clenchement FIF

es1

au

c6t6 sup6rieur

de

la

pente

(+)?

Le r6seau

de

di{{raction

du capteur

risque

d'6tre

tres

faux: Tourner

I en-

traineur

de

reglage du r6sear de diffrac'

tion

pour

maximiser

I'amplitude

a

la

position

oi le

gonflement

est observe

1 2gs

aprds

le declenchement

La

forme

d'onde

RF

est-elle

non distordue quand

la

touche

CLEAR

Le

r6seau

de di{fraction

du

capleur

risque

d'6tre

faux

dans

la

direction

in-

verse

: Tourner

largement

l'entraineur

de

r6glage

du r6seau

de diffraction

pour

maximiser

l'amplitude

a

la

position

ou

le

gon{lement

est

observ6

1 2ps apres

le

ddclenchement

Presser d nouveau

la touche

CHECK

Le r6glage

du r6seau

de

diffraction

est termine

bl

I

I]oU

unE

flUn

tlLi

"s

iln

lt:

tl

,d

tlU

4l

llou

ubf

lUn

oul

(Photo.

4

(Photo.

Fig.

1

",,:_ -."

!

I

P

ABG I-EICI-I

1.Abgleich

NR C EG Ell STA ND I] I NGA liGS-

E I IiSTELI,UNC AUSG,{NGS-

FI NCTFI I IINN SP I ELER_

E I NSTEI,I,IIN('; AbGLE I UII-

PIINI(T E ABGI,E I CHEI{ FiiR ABB

YCO.D

I IiSTELLUN(

Einen Frequenzziihler

zrrischen TPll (CND)

von

X32-1090-11

und TP10

(PLCI{)

ancnhl ioRon

Triiger getjffnet oder

Stop-Betriebsart

Den I(ern

der Spule

von

L2

von X32-1090-11

rl //) dr6hon'

4.32}{H (a)

a

PRUFUNG

DDR

LASERLEISTUI,IG

(lenn

PU defek

u sein scheint

Ei nen

0ptikleistungsmeter

auf den

abnehner

setzen.

'I

raSer

-geoll

net

'P8

von X32-1090-11(A/4.

an

GND

ansch I i eBen.

DIn der

Test-Beirieb-

sart die CHECI{-Taste

ruf 0N stel

len. Der Trii

Ier tiffnet sich, und

de:

.D vird auf 0N cestel lf

kzeptabel, wenn

zwischen

100

pY und 200

rzt. (b)

RF-YERSATZ-

PRU FU

NG

Ein 0szilloskop

an

Stift 2 (RF)

von

Cll4 von

X29-1780-00

anschl ieBen.

GND

des 0szi

I Ioskops

an TPl (GND)

cncnh I i aRpn

Trager

getjffnet

oder

Stop-Betriebsart Akzeptable,

$enn

etrYa

-0.

70 (Y) (c)

4TESTl{ODUS-

E i I{STELLUNC

Testdisc

Tvpe 4

ruf Trager lege

und

Laden

.llr.hfiih"."

Den

Stecker

von CNl0

von X32-1090-11(A/4)

(urzschl

ieBen.

Den POliER-Schalter

auf OFF und dann wiede.

auf 0il

stellen. Auf dem Display muB

01

oo

anSezeiSt rerden. (d)

Trtl{0DNT IAL-

DI NSTELLUNG

lestdisc

Tvpe 4

tuf TrriSer lege

und Laden

durchfilhren-

Ein 0szilloskop

an

Stift 2 (RF)

von

CN4 von

X29-1 ?80-00

anschlieBen.

Die CHEC(-Taste

driicken.

Der

Laser fokussiert

(Tpct nndr<)

I nnensechskant-

schtaube unter

Mprhan i <nrrc

Das Di sp

03

oo

0llZe

die Anp

nax i na

ay muB

gen

und

itude

sern.

(e)

6FOI(USY ERS,{TZ-

OROBE] NSTBLLUI{(

lestdisc

Type 4

tuf TriiSer lege

und Laden

durchfUhren.

Din 0sziol

lskop

an

Stift 2 (RF)

von

Cl,l4

von

X29-1780-00

anschl ieBen-

Die CHEC(-Taste

dri.icken.

Der Laser

fokussiert

(Tpcr mndrc)

YR2

von

x29-1?80-00

drehen. )laxinal

Amplitude

I,f

(e)

7T. ERROR-

BALA NCE-

GROBE I I,ISTELLUil(

Testdisc

Tl,pe 4

ruf Treger

lege

und Laden

durchfiihren.

I(anal I

des 0szilloskops

an

Stift 2 (RF)

und

Xanal 2 an

Stift

3 (TE) von CN4 von

x29-1,l80-00

ancnh I i oRon

Die CHECI(-Taste

drticken.

Der Laser

fokussiert

(Testmodus)

YR1

von

x29-1780-00

drehen.

So einstellen,

daB

die T.

ERR0R-Arnpl

itudr

unter und iiber 0 (Y)

synnetrisch

ist.

(Foto

5)

(f)

8TA

NG El,{T

I AL-

U IID

FOI(

USY ERSATZ-

FEINFINSTFI I.IIi]I

Testdisc

Type 4

ruf Treger

Iege

und

Laden

d rrrnh fiih ron

Ein 0szilloskop

an

Stift 2 (RF)

von

Cl'14 von

X29-1780-00

rocnh 1 ; oRon

Die PLAY-Taste

drticken.

(Die

Spurhaltung

. startet.

)

fToc+n^.1,,e)

YR2

von

x2

I

-1

780

-00,

I nnensechskant

schraube

,n+6. Llo.h.ni<

YR2

und

li

e I nnensechskanlschraubr

abvechselnd drehen,

rn die optimale vellenforr

zrr orhal ton

(e)

qT, ERROR-

BALANCE

_

FEIilDINSTELLUII(

Testdisc

Tvpe 4

ruf Trager

lege

und

Laden

durchfiihren.

an

l(anal

1

des

0szilloskops

Stift 2 (BF)

und

Xanal

2 an Stift

(TE) von Cil4 von

I29-1?80-00

oncnh I i oRon

3

ie CHECX

-Taste

driicken.

(nur Fokusservo-lilodus)

(Tes

t

mod us

)

VB1

von

x29

-1780 -00

drehen.

So einstel len,

daB die T.ERROR-lrnpl itud

unter und iiber 0 (Y)

sy|n|netrisch ist.

(foto D,

(f)

10 FOCUSGA I }I

E I NSTELLUNG

Bine nAglichst

einvandfreie

Testdisc auf-

legen

und das

Laden

druch-

fiihren. Ein

Sig.

nal von 700 Hz,

0,4

Y

an

Stift

2 von CN2

von

x29

-1.i80 -00

enl egen

L.P.F.

an Stift

I von CN2

von

X29

-1780 -00

und

ein 0szi 1 loskop

rder

ein Xechselstrom

Vol tneter

anschl ieBen.

Den POIER-Schalter

auf OFF und

wieder auf 0N stel len.

Die PLAY-Taste

drilcken,

um die normale

l{iedergabe

zu starten.

YB3

von

x29-1780-00

drehen.

So einstellen,

daB

das

l{echselstron-

Voltneter oder

0szi I loskop

40nVrns

anzeigt.

(s)

11 TRACXINCGiIN

E I NSTELLU}lG

Elne

niigl ichst

einwandfreie

Testdisc

auf

-

legen

und das

Laden

druch-

iihren.

Ein

SiB'

nal von 900

Hz,

0,4

Y an

Stifr

4 von

CN2

von

x29-r780-00

L.P.F. an Stift

5 von

CN2

von

X29-1780-00

und ein 0szi I loskop

rder

ein {echselstrom

Yoltneter

anschl ie8en.

Nornale viedergabe YB4

von

x29

-i780 -00

drehen.

So einstel len,

daB das

lechselstron-

Yo1 tneler oder

0szi

I loskop

40rnvr|ns

anzeiSt.

(s)

I2 DAC

-

EI

NSTELLUNC Testdisc

Type 4

Ein

denItlillivoltmeter a

AusgangsanschluB

anschl ieBen. EinlkHz,0dB

Signai

viedergeben.

x25

en

fiir

YR1

von

-2860 -11

fiir

linken und

YRI

den

rechten

qnr I rlrohar

So

einstellen,

daB

ein Ausgangspegei

von

1,

I b

is 2, 0 Yrns

arhrlron oird

(h)

Jr

rnf,

i",i'

27

ABG

LEIC}I

2. Wirksame Tasten

im Testmodus

und ihre

Funktionen

No- Eingsbabno Funktion T. No. Anzeige

IPLAY

(11

Fokusservo ....... ON.

Ql Spurhalteservo .... ON'

(3) Vorschubservo .... ON.

Wenn

die Taste in

der

Stop-Betriebsart

gedriickt

wird.

werden

die

Servos

automatisch in

der

Fleihen-folge

von (1

) bis

(31

eingeschaltet'

f

rBAcK No.

t__

Ll ll

t_t :t

J

fOr einige Sekunden

nach

(1

)

bis

(3).

J

Angeige

der Titel-Nr. der Disc,

zCHECK

(l) Fokusservo ...... ON.

Ql Spurhalteservo .... OFF.

(3) Vorschubservo ..... OFF. fi-;

t_t :i

5C LEAR

1

2

Fokusservo ...... ON.

Spurhalteservo ..... ON.

Vorschubservo ..... OFF.

[*"*"

'l-l'-l

4STOP

1

z

Fokusservo ...... OFF

Spurhalteservo .... OFF

Vorschubservo .... OFF

f

rRAcK

No

t_

'lll

Lt t

FBEPEAT

(1) Trdger: Offen

l2l Laser. .. ON. f

rFAcK No

t__

,l l_l

I_IL \

6FF(>))

In

der Stop-Betriebsart

: Bewegt

den

Tonabnehmer

geringfiigig

zu

den auReren

Souren

hin.

Bei Vorschubservo

ON : Schaltet

die Spurhalte-VerstArkung

auf

"H"

FR{+{) In der Stop-Betriebsart

: Bewegt

den

Tonabnehmer

geringfiigig

zu

den inneren Souren

hin.

Bei Vorschubservo

ON : Schaltet

die Spurhalte-Verstarkung

aul

"L"

IOPEN/CLOSE Den

Testmodus ausschalten, der

Trdger

wird

geoffne't.

Hinweis

: Aktivieren des Testmodus

CN10 von verbindungsklemme

(X32-1090-1

1

| (Al4l kurzschlieBen,

aus- und

wieder einschalten.

Tabelle

Aar f'l-]-Qnialor-Finhoit

dann den

Netzschalter

28

ABG

LEICH

3. Diffraktionsgitter

Beit der Einstellung

des

Brechungsgitters

darauf

achten,

daB die Gitter vollkommen nichtfluchtend

sind.

o lm Testmodus*l

die

CHECK-Taste*2

drucken,

um nur

den

Fokusservo

einzuschalten.

*1

Testmodus:

Zum Aktivieren

dieses

Modus CN1O

der

Spieler-Einheit

(X32-1090-11)

(A/4)

Netzschalter

aus

und wieder

einschalten.

*2 cHEcK-Taste

:

Fiir Einzelheiten

siehe Tabelle

1 .

von Verbindungsklemme

kurzschlieBen,

dann

den

Das Beugungsgittel

Das

Beugunggitter

des

Tonabnehmers

auf

maximale

Am

plitude

einstellen

Betriigr

T.E mehr

als ca.

5.0(Vs-s)?

Das Beugunggrtter

des

Tonabnehmers

auf

maximale

Am

plrtude

ernstellen

T. E-H

iil lk urve

ird Schwell

beobachlet mit

E nach etwa 12lls

HF-Ausloser an der oberen

Seite

der (+) Flanke

Das

Beugu

ngsgitter des

Tonabnehmers

konnte einen

groBen

Fehler

aufweisen:

Den

Einstellschraubenzieher

des

Beu-

gungsgitters drehen, um

die

Amplitude

an der

Position

zu

maximieren,

wo das

Schwellen

1 2ps

nach dem

Auslosen

beobachtet

wird.

(Foto.3)

Das

Beugungsgrtler

des

Tonabnehmers

konnle einen

Fehler

in der

entgegen-

setzten R ichtung aufweisen:

Den Einstellschraubenzieher

des 8eu-

gungsgitters weit

drehen,

um dle

Ampli-

tude an der Position zu maximieren, wo

das

Schwellen 1 21rs

nach dem Aus'

losen

beobachtet wrrd.

lst

dre

HF-Welleniorm

ohne Verzerrunge,

wenn dle

CLEAR -Taste

gedrtlcki

\ wird? -/

Die

CHECK Taste

erneut drucken

Damit ist dte

Einstellung

des

Beug

u

ngsg

itters

beendet bf|]

llcu

unE

lUn

tlI

-U

lln

II:

tl

UA

\l/

|lU

ndn

rcu

tld

lun

Mit der

nachsten

E instel lu

ng

weitermachen

JA

.1)

JA

(Foto.

4)

(Foto,

ef

,;" Wenn die

Einstellung des Beugungs-

^irror. Freonripr ici

Beug u

ngsg

itter-E

i

nstel

lleh

ler

(entgegengesetzte

R

ichtung) Beugu

ngsg

itter-E

i nstel lfehler

{gro8er

Fehler in

Vorwd rtstrichtung)

1..

LJ

29

Abb.

l

AD.'USTNNENT/REG

LAG

E/ABG

LEICH

4. Description of Signal

Waveforms, Connection of Measuring Instruments/Descriptiori des

formes d'onde des signaux,

connexion des instruments de mesure/Beschreibung

der Signal-Wellenformen, AnschluR

der MeRinstrunrente

C

r.

(2Omsec/divl

Projection

Hervorstehung

CH1 RF

1.0V/div

<-o(V)

CH2 T.Error

2.Ov

ldiv

<-0(V)

(Photo.1)

(Foto.1)

CH1 RF

1.0V/div

<-o(v)

CH2 T.Error

2.OV

ldiv

<-0(Vl

(Photo.2)

(Photo.

2)

(Foto.

2)

CH1 RF

1.OV/div

<-0(v)

CH2

T.Error

2.OYldiv

0{v}

{Photo.3}

{Photo.

3)

{Foto.3}

o RF signal

and T.Error signal

after diffraction

grating

adjustment.

Signal

RF et signal T.Error

aprds ajustement

de rdseau de

diff raction.

R F-Signal und T.Error-Signal

nach Diffraktions-gitter-

Ei

nstell ung.

RF

signal

and

T.Error signal when

there is

small diffrac-

tion

grating position

error.

The T.Error

signal level is small,

and the envelope

is

as

shown

in

the

diagram

below.

Signal RF et signal

T.Error quand

il v\a une petite

erreur

de

position

du r6seau

de diffraction.

Le niveau

de signal

T.Error est petit et I'envelope

est

telle

qu'indiqu6e

dans

le diagramme

ci-dessous.

RF-Signal

und

T.Error-Signal

bei

kleinem

Diffraktions-

gitter-Position

ierun

gsfeh

ler.

Der

T.Error-Signalpegel

ist

klein,

und die Hrill-kurve

ist

wie in

der

Abbildung

unten.

RF signal and T.Error

signal

in test mode

(with

focus-

ins ON).

When

the sub-beam traces

the same bit series as

the

main

beam

during

diffraction

grating

adjustment, bringing

the

RF trigger

point to the position

shown in the Photo

causes a "projection"

to be observies

in the T.Error

waveform.

Le signal

RF et le

signal T.Error en mode

de test

(avec

la mise au

point

sur ON).

Ouand

un faisceau

auxiliaire

tracela

mdme s6rie

de bits

que

le faisceau

principal

pendant

l'ajustement

de r6seau

de diffraction, l'apport

du point

de d6clenchement

RF

d la position indiqu6e

dans la photo provoque

une

"projection" qui s'observe

dans la forme d'onde d'

T.

Error.

RF-Signal

und T.Error-Signal

im Testmodus

(bei

ein-

geschalteter

Fokussierung).

o Wenn der Nebenstrahl

die gleiche

Bitreihe wie der

Hauptstrahl wdhrend

der Diffraktionsgitter-Einstellung

verfolgt und den RF-Triggerpunkt

auf die im Foto

gezeigte

Position

bringt, wird eine "Hervorstehung"

verursacht, die in der T.Error-Wellenform

beobachtet

werden

kann.

l:::!I;iil.rir

f',;T::l

ljra:; i{ :i'i".r. :

a

,.

r,.j,

(

Trigger

point (2omsec/div)

point

de d6clenchement

Triggerpunkt

{

30

(2rsecldivl

!

I

b

A

BJ

USTM

E

NT/R

E

G

LAG

E/AB

G L

E

IC H

CHl RF

1.0V/div

CH2 E.Spot

0.1Vldiv

AC coupling

for

CH2

only

Couplage

CA pour canal 2 seulement

AC-Kopplung

nur

flir Kanal 2

(Photo.

4)

(Photo.

4)

(Foto.4)

CH1 BF

1.0V/div

<_0(vl

CH2

T.Error

2.OV/div

(Photo.

5)

(Photo.5)

(Foto.5)

RF signal

O.5V/div

(Photo.6)

(Foto.6)

RF

signaland

E.Spot

signal

in

test mode

(PLAY).

lf the diffraction

grating

has been

adjusted

properly,

the influence of triggering is observed

on the E.Spot

waveform of approx. 12ps atter RF signal, in the form

of a

projection.

Signal RF

et

signal

E.Spot

en mode de test

(PLAY).

Si le r6seau de diffraction a 6td ajust6 correctement,

l'influence

du ddclenchement s'observe

sur la forme

d'onde

E.Spot

d'environ 12trn aprds le signal

RF,

sous

la forme d'une

projection.

RF-Signal

und

E.Spot-Signal

im Testmodus

(PLAY).

Wenn das Diffraktionsgitter

richtig eingestellt

wurde,

wird der EinfluB

des Triggers in der E.Spot-Wellenform

etwa 121a nach dem RF-Signal

in der Form einer

Hervorstehunq beobachtet.

o

a

(20msec/div)

';;.$,

',tft

{..q

*d

$*tf

*$${

GS*$

****$*

$'$$$*$*

e4&$&*

o

c

a

o

e

o

c

o

RF signal and

T.Error

signal; in test mode

(Focusing

ON).

(Disc

type 3) 1

Adjust T.Error so that the waveforfr is symmetrical

above

and

below 0V.

(VR1

of X29-1780-00)

Signal RF et signal T.Error; en mode test {mise

au

point

ON).

(Disque

de type

3)

Ajuster T.Error pour gue

la forme

d'onde

sort

sym6tri-

que en-dessus

et au-dessous

de 0V. (VB1 de X29-

1780-00)

RF-Signal

und T.Error-Signal;

im Testmodus

(Fokus-

sierung eingeschaltet).

(Disc-Typ

3)

T.Error so einstellen,

daB die Wellenform

iiber und

unter 0V symmetrisch

ist. (VR1 von X29-1780-00)

RF

signal in

test mode

(PLAY).

Perform

the tangential and

focusing

offset adjustments

so that each

of the center cross

points

are

focused

into

one point on the display. The crossing

points

above

and below the center

shall

also

be displayed clearly.

Signal

RF en

mode de test

(PLAY).

Effectuer

les

ajustements

d'offset tangentiel

et de mise

au point pour que chacun des

points

de croisement

central soit mis au point sur un point de l'affichage.

Les points de croisement au-dessus et en-dessous du

centre

doivent aussi €tre

affich6s clairement.

RF-Signal im Testmodus

(PLAY).

Die Tangential-

und Fokusversatz-Einstellungen

so

durchfrlhren, daB

jeder

der mittleren Kreuzungs-

punkte

in einem Punkt

auf dem

Display

fokussiert wird.

Auch die Kreuzungspunkte ilber und unter der Mitte

mr..issen

klar

angezeigt werden.

31

,!$*

s.*s*:

,t,l.rf

'**

s $.s

.!. di -{, 4 {

,q'*u*''s*.s'

.s

,

s,.

* 's;'

l!

tf,

3

qat

t.g'4

(O.Slerec/div)

t.r

It"|-., ;*. i.**L*r;*;.**i"e ; I

.v+?+Y.lY+Y+Y+Y+Y*--r

+I+^+^+^* ^+;+;+; R r .irn"l

-*.--*"'+ + .+'- * .-L-.-f*^ t.OV/Aiv

(0,2rrsecldiv)

ADJUSTME

NT/R

EG

LAG

E/ABG

L

EI

CH

Eye

pattern

center

Centre de la

forme

oculaire

Augenmuster-Mitte

f,"1

(.i

PLCK

2.OYldiv

o RF

signaland

PLCK

signal in test

mode

(PLAY).

o When the synch system is normal,

the cross

points at

the center of the eye pattern shall coincide with the

PLCK

fall

points.

o Le signal

RF et le signal

PLCK

en

mode de

test

(PLAY).

o Ouand le systdrne sync

est normal,

les

points

de croise-

ment au centre

de la forme oculaire

doivent coi'ncider

avec les Doints

de chute

PLCK.

o RF-Signal

und

PLCK-Signal

im

Testmodus

(PLAY).

o Wenn das Sync-System normal ist, mtlssen die Kreu-

zungspunkte

in der Mitte des Augenmusters mit den

P LCK-Fal lpun

kten

zusammenfal

len.

(Photo.7)

{Photo.7)

(Foto.7) {:r

tt,

I

{:.,

l. l

(

(.

32

!

s

L

ADJUSTMENT/REG

LAG E/ABG

LEICH

(b)

Capteur Optical

power

meter

Abnehmer Compteur de puissance

optique

Optik leistu

ngsmesser

Millivoltmeter

Millivoltmdtre

Millivoltmeter

. DIFFRACTION

GRATING

ADJUSTMENT

(PU)

Ito. ITE}l I Ii PUT

SETT I NGS OUT PUT

SETT

I l,iGS PLAY DR

SETT

I NGS

ALIGN}ilENT

PO

I l{TS ALIGl,l

FOR Ft0.

DiFFRACTION

CRAT

II,IG

ADJUSTIlEl,]T

(PU

place

test dis

Tvpe 4

on

the tray,

and colnplete.

loading.

Connect osci iloscope

CHl

to pin 2 (RF)

of

CN4 of X29-1780-00,

and

connect

CH2

to its pin 3 (TE).

Press CHEC]( l(ey.

(Focus

i ng servo

only mode)

(Test mode)

Pickup

adjust

ing

hole

Use a grid

driver.

See Fig. 1l

1. (f)

. ADJUSTMENT

DE

RESEAU

DE DIFFRACTION

(PU}

NI TE]il BECLAGE DE

L'ENTREE REGLAGE

DE SORT I E REGLACE DE LA

LECT EU R PO I iis

D'ALICNE]|{ENT AL I GNER

POUR FIG

I

AJUSTE}ilEi,iT

DE RESE,{U

DE DIIFRACTiON

(

PU)

I acer un d

i

sque

test de

Type 4

ur le tiroir et

effectuer

I e chargement.

.

Connecter

le canal

1 de

I'oscilloscope

d 1a

broche 2 (RF)

dr

CN4

de

I29-1780-00 et

raccorder

I e canal

2 d 1a broche

3 (TE),

Presser

la touche

CHECI(.

]tlode

d'

asservissenen

de mise

au

poi

ni

seulement)

(]ilode

de test)

Trou

d'ajustement

du

capteur.

Ut i I iser

un

tournevis.

Voir la ligure 1 (f)

O DI FFRAKTIONSGITTER.EINSTELLUNG (PU)

NR. (]

EG El,lST A ND E i NGANCS-

E

I NSTELLU

NG AUSGANCS-

E I I.{STELLUNG SP

I

ELER

E I NSTELLUNG

ABGLE I CIl-

PUNKTE ABCLEICHEN

FUR ABB.

D 1 FFRAl{T ]OI,i-

SG

i TTER-

E I NSTELLUNC

(

PU)

Testdisc

Tvpe 4

aLif

TrAger

egen und

laden

druchfiihren.

Kanal

1

des

0szi I loskops

an

tiit 2 (RF)

und

kana

2

an Stift 3 (T[) vo

CN4 von

X29-1

780-00

anschlieBen.

Die CHECK-Taste

driicken.

(nur

fokusservo-}{odus

(Tes

t rrrod us

)

Abnehmer-

Einstelltjffnung

Ei nen

iitterschrauben

z i eher

vertvenden.

Siehe Abb, I (f)

n{

t.:

:, ;:',:.t-' ,.

.t,

t'

t-

33

I2 R\/ IOV

zt.ov 10 5.OV

0.3v tl 0.3v

45.0v tz 1.6V

OV 13 3.5V

5-0v 14 5.0v

7OV

(GND)

VOLTAGE

CHECK TABLE

{x25-2850-0S}

lcl (Tc74l+c74F)

{x25-2860-X

t}

!e1,!c2

(PCM56P'-K)

ADJ

USTME

NT/R

E

G

LAG

E/AB

G L

E IC

H

txzg",|780-00)

rcl (cx201091

1*12 OV 21 5.0v

IJ -5.0v z1 -5.6V

14-18 OV ZJ 5.OV

1g -2.0v 5.0v

lc2

(M52t8p)

12 tr\/ 6-I.JV

2,3 OV 1-3.5V

4-5,OV I5.0v

!C3

(pFD4053EC)

0.5v IJ -0.5v

-0.5v 14 OV

3-6 OV 15 -0.5v

7-5.OV 16 5.OV

B-12 OV

(x32-109CI-1

1)

re,i

tex20108)

6J'

(t

,c17

(AN7905F)

rT-* I

L:_l_ev_l

l3l-e.5v I

.-Tb--

rclg

(AN7905F)

fl-* 1

lzl-s.ovl

ftT=Ev I

iex6

(TA7gL006F)

te 17

(TATELOO64F}

tc18

tAN7805Fl I

t;

Remarks : These

voltages

are the values

in STOP mode'

lC'!

1 (gFD75208CW-040)

1-A 1.gv 32 OV

5OV OV

62.5V JC,50 OV

t6 OV 39 5.0v

Y4.9V 40 3.4V

10-13 OV 41-51 0.4v

14-16 5.0v il 1.9V

I 8.19 o.5v 2.7V

2n 5.0v 56,57 OV

21 0.5v 58.59 1.9V

22-24 OV 60 OV

25-27 5.0v 61

.62 1.5V

28 OV 1-9V

29 5.0v 64 5.0v

30.31 2.3V

rc2

(Ts62554S)

t-J OV o0.2v

45.0v 7-S 2.3V

OV

(GND}

rc3

{TC74r-rC17$Fl

3.5V 11 1.9V

2-5 5.OV OV

6-8 OV 13,14 1.6V

0.3v OV

10 5.0v to 5.0v l-o OV ZI 0.7v

/- tu 5.0v 22 OV

'I

1

-13 OV ZJ 0.6v

14 -4.3V 24.25 OV

15 5.OV 26 5.0v

IO OV 27 -0.6v

-5.0v 28*30 OV

19.2O OV

!c5 (NJM4558Dl

,i IOV

2OV NC

35V 1OV

4NC 2OV

5JOV

64I.JC

75l.9v

8lo 5.6V

!e3-t e1

E

{f{J[M5532D-&]

52.5V

2OV o2.5V

3OV 7OV

4-5.0v 5.0v

!C6

($\iJM4558Dl

OV 5OV

2OV 6OV

JOV 7OV

4812V

!e13

(exzsts7)

1OV FOV

2-0.6v 6OV

30.6v 7OV

A-9.5V 8-9.5V

1OV 57.6V

27.6V 67.6V

a7.6V 7OV

4-12V 812V

res

tcxDl075Pi

2.4V t5 OV

2OV to 5.0v

32.5V 17 OV

5.0v to 0.5v

5-7 OV 19.20 OV

RO 5.0v a1 5.0v

'10,1

1OV 22-25 OV

2.OV 26 t F\/

IJ 1.6V 27 OV

14 0.4v zo 5.OV

u

i ''l_'l -

PC BOARD

(COMPONENT

SIDE

VIEW)

Focus gain ADJ l

Tracking gain ADJ

AC volrmeler

ffir

tr'-. -r I

i+-==..:

MECHANTSM

ASS'Y

{X92-1

160-00)

t--

I s2

ri

h'"'ii,

tl-tH

' t)i

-,.l.iiltj

POWER

CONTROL

CIRCUIT

uNrT (x29-1780-001

wr.i25

E-lca

,l,.ltl$|",

HF

llt"'fl*r

ff

ii I---------'t L:.Io

',,o

!l5l l-

I

Refer

to the

schematic

diagram for the values

of resistors

and capacitors.

- DIGITAL

OUT-

ampr I

l!o€

Tangential & Focusing

ofJset

Jine ADJ.

: Opiimun vvavelorr

OPTICA

L

J.

, I ';Q{t,

.:" :r

i" ,...,.

"r,

'i.T:;tr.lr,;l

,

{ ."'T"ff :'i:.i

-t ;-'!tra '

-l r:--i--l

rl"t,b.ir

'liiioE

r .r ''8!1.

,K*p$

:i

lLr I

c16 Jll-id{-8,

---'l 1"* i-:'cc

__J '-E l,l

i:i -

ci;:;::

o J\>

"(Jt

'H#'ltnri,

, .r',i-o,..

...

_$ .:h":-::f?f:i

t; ...

:::^:

.:.:?" l.

I

,i

-.iJ1:L"r

i

1'1,

:,:l*liliiri

!,

Le|ct ba'tanaa

cozr.e

ADJ

Sec

pholc 5

T.ettar L,a

at,ae f

f .

A

DJ,

: See

phcr!. i

Drilraciron grairn! ADJ

{PU

J

: S€e

Frg l

cN5

BRN

,i ::i :

Lolr,ng

.6:-9 -,

'Nl;

j \!b

I irrN

.:

'l .-t...'rll:i

:,*

ONIIOFF OPTICA

L

-DIGITAL OUT-

ffi#'

Frequency counter

40mVrms

>i32

B/4

T.error balance

coarse

ADJ.

:

See

photo.5

T.error

balance fine

ADJ.

: See

photo. 5

Diffraction grating

ADJ

{PU]

: Se€

Fig.

1

{l

:,

^J-

-

..1

lt9

,.

l

I,

lo23

t.

|.,:'.'

I

i;,,'

t':

I

024

I

|. .:

-J!81.

,. ns

, a,6,

_ _Jf8g _ ffl ,;Fa

---Jrer ll lo,

Jlsolll.*

_,r'J:-:

ll I

ig

. ilI

il.1

R| 2 ll.l n

I

Blll *r

' Rl

-l

. ..'t:::

t:l

cD PLAYER

UNtT

(X32-1090-11)

nn

oll

,:24' :

'-"-*m--

LINE OUT

FIXED MAX

I--! MIN VARIABLE

DAC

UNrT

(X25-2860-11)

'|

.

.".=:...,::,..,

rA

,l{ cP2

DP-3300D

ffi c W e W*ffiffi

LINE

OUT

'rs

l

ii: i: R

J99 cl R2

cl

r+qri-l

I

? cN4 r i! | | -'lJrozlol'

r--------------ll I I t:199

E] oro-l-eP-" I I ' n

lij +i JsB e ;--Ee* -! ,;,

,I 5 1l'1uFt

;r:r@

ffi '@l:r

:

rtrxrtrnr:'9

:;:

qEX-;E.g l; | '- io pB.-q

:,1

aD*T.D6,D:lEI:l

I - |

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$)a;)ir )"

:i: - f7-::1:r::f,.,J:l

r.,r "ffi13 rc

rz

Fl-:-:.-i-:ITil 6

Ll

:Df I

.l)6rl)rlslrl

I |

:l:t:l

iDagEl

6 D-

,:, : F-.._-rtl'.1^:FTH_rc',r? _--ri-l

i

l,

i :

"Oi

rril

*

a

t

e

rlrlp'

I

"

_.

|

$.rr

Er

a

I

rai

:f I'

fD

,-" lt'"-l-ti i- <a;Pl;sif---ri*'

" i

te

s165 H

lqj"H$"ji:

I lul:

lrur'

R'Plre I

rllr2'.2' \ gl

tl

lt ./ \ -

l__Jq:_

J90

-: =---

fr

-Jer:l

f1 I JE2

l-lcr_:

o Y-rr\ /'li

Iql\_/rili,,\_/qi

iii :iil:

:<=Fili-iax

{l q:i

q+r

1n Jt. cro5

' 'll t15 :1 j:: :+i

H-;

:ij tr-€ ,illiSr

ffi,ii: .#;

;;, ]]isl , l'""g1 llr | : l:vev

:r:

p4b-E-l-j c23 i ll c24 l; l{l ;A

: Nl ll .^l

-' ,,, f:i"f n' iilnli

i ;r ffi--ri;

:r H

trrt*LJ

le'pil'lP1:-*

L!r# f:

;i 8",.1

Ei : i

il

li

i : ii 31.;

i; 3s+

JF!"F=

.._,Eisll=*=*.

ffigiii F:

ij E-1"

S":"tI*irerel r{fi .oo

to

'o

t tu

( *- s-l'''"-!--

'.X;Dl

l;DR,',9q.

d.

; _!

: -ff F:'FI?'{ei

i:Bfnrtr"ffi

::

I;;s-fc,:::31.

"l

*ry9

lnlr9-U-;

t+rF*:igE

o =-"r33 :' ;;- fi

't€F? _

:",'

ifi- | l--*-;-u-:!i{€'*

"f;51,-'t' - -lll-i?s:

td ::u',.1.

"' ilRJ:"

:i ffig-iil"li lE:r.-E:

o

'j .' H|€;sQ:rii iJ

t i l;43, nso

lo c .l -p5a

+ agc42; R5s

rza;1{ - J3'

- -,ll

:!?s- td ::1t;L_*jl1_dp,::.

:fifl,ffiqtt*,lffi^* 3:

i'*$'

;-

ilgli =i {qm-,,S";;t

rt..-};i TFd9

'i =1:rs,il-

g

--'l lg .'",;l

'' [Fl---]l-l s

eilb---l'

rLl6 Jrl5 Jil6 tczl

R89 R90 @

|

:;T tra El

PC

EOAffiD

{FOIL

SEOE

VEEW}

VARIABLE M MAX FiXED

CD

PLAYER

UNIT

(X32.1090-11)

iilprEi$r

:r,riprltltltg

Riz

, ",gi:i

J

,l .:...

:

::!r1.,

ol@: I I I !..'

9 t!trloio,+lnl-

- r-lhlDlnlErnln

I r-t-l-l-i>rr

I Jrl J | | |

" c3o '. -l

.tslFl

:? F,l

-ri

ii/

r'..

tf ,

.\

a l:\

'Pt

\\ \,

.vj \

DAC UNtT

(X25.2860-11)

38 Refer to the schematic

diagram

for the

values

of resistors and

capacitors.

ffitu?ffi c @ r @

-DIGITAL

OUT-

0ry1 oFLll>oN

,- .la.o9 :

.Jt?t

ir-?-'J237

:F:!-!

i|ino

ilo

Tangential

seitrng

:AmPlrtude

maxifrum

Focusing

otfsei coars€

ADJ.:h4aximum

amplitud€

Tangenti6l

& Focusing

offset {in€ ADJ.

: Optimum wav€iorm

Focus

gain

ADJ.: 700H2/0.4vrms

Trackin!

gain

ADJ. :9oOHZ/O.4vrms

|' ,,"f,6,{,

GITAL OUT

AC voltmeter

l.Alil

L--.

::

t:.; ;:-

>,-

FN

en

H;

rc re

lT"ii'l ";

r----'"r-]?

ltE

L-lo

,z---. ,--+

q)_e

r69 \V

-'*l

I bl'l

3tw

ol.' '

a

Ir-l

ilt

ltl

ILJ .

I t. 2

'

,,t' ,u

tAi t**

;l

ol

'l

$ia

.

'l t I

.l*lo!

- t-l-t ,

;:

il ..1

,l i

', ttlr

"'',i

l:d

,1;*

t7

!91

zl

. lclS

l11 | l/'\ |

l\Jt

l\rl

-*u,

**'.t

E+rEl;i

sil 5 slo 4

f-51

lvl

t

, "t

r

t.t

sr -r

..

.qlel'!

111:l;lli:lll

l\Jt,

FFI* l-Al,

l\1 l;lL/ l-s ,TIHE

'r,*--.-.It

l:-"-r :J

]6-, &,'1"'u,

lo "":

.

z

clf

{c) RF offset checl. : al

CONTROL

CIRCUI

uNlT (x29-1780-0(

T,error balance

co6rs€

ADJ.

:

See

photo.5

T.error balance

flne

A DJ.

:

Se€

photo.5

Dif

f

raciion graling

ADJ

(pU

l:

See

Fig.1

slehlnl

"l"l"rl

cHlgCIl

*, "o",

€\

DISPLAY UNtT

(X25-2850-00)

39\' *Ht

Focus

gain

ADJ. :

Tracking

gain

ADJ

700H2/0.4Vrms

-DIGITAL OUT-

oPTrcAL

OFL GITAL

OUT

900H2/0.4Vrms

AG

FYT'

nr;.'4

l6-,

sl.,u,

le";.1

b

ACr

ON Tangenti6l

setting

: AmPlitude

maximum

Focusing

offset coarse

ADJ. : Maximum

amPlitude

Tangential

& Focusing

otfset fine ADJ.

Optimum wave

t "Tr

ffi,,g s

x32

&/4

r ' ii

. ,El

i--

j

!-- :

^rji!

,i:ii+

,i

if li

ii

ii.:

ii:

I

:!J!

.s8

ti

i: 1..

i"l,;

z

ci!

T.error balance coarse

ADJ.

I See

photo. 5

T.error balance

fine

ADJ,

: See

photo. 5

Di{{raction grating

ADJ.

iPU)

: See

Fig. 1

-91i"

::t.i::

!t'_

DISPLAY

UNlr (X25-2850-00)

l

"'o^

I

L

_:.JZJ A:

sToP

""

40mVrms

1gJ

MECHANTSM

ASS'Y

{X92-1

160-00)

-1

t_

"i

_$ Jai

..:''.

."

c65 ' i ., WHT

.-

t- .: (--::--v

L3:"r/-4. I

ff,r

$i

fl,

0

PURE

DIGITAL

SW

l/)

xgz-t t66*00

t.

{

(cl RF ofisei check : approx.

-0.70V

)NTROL CIRCUIT

ilT (X29-1780-00)

e @lE@Mffi c @il*M e @@

(x92-il60-00)

r

(c/3) ,

I

oPN swl

Icr-r

swl

-J

L:J (x92-

| r60-00)

(x92-

il60-00)

(B/3) tsLr.wl (A/3)

(x92-il60-00)

GA

IN AOJUST

0r

:2sAill5

o2

.2SC?673

D | '. ts2475

L I nu z,t L

F* r *i- r-l

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M3

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MoroE

TO CHECK

o

c

ouuu

u&FL

I

l

I

lrE,

uALl lF.

GAf rrl

!

I

Dl-419,12-?o,?3

: lSSl76

or lSSl33

D5 :HZS6.8N(82)

or

R06.8ES(82)

06,7 : DSf,{ tAl

08 :Hzs8.2N(B)

or

RD8.2ES(B)

DIO :HZSz.7N(B)

or RD2.7ES

(B)

D| :HZS6.2S(82)

or

RD6.2JS(82)

D2r : HZS

5.6N

(82

)

or

RD

5.6Es(B

?)(x32-1090-00)

D22,23 : tB4B4t NOte

*

D24 : lsvl47 After serial

No.

62L80001

R43 33kA

--+

11

>o

R23

rOK

No

E-

@

o

?

r@

u"{

: lr.GArNl

l-- __J

(x29-

t780-00 )

!9.1780-00)

le*

er serial

No.

zLB0001

33kS2,

-' 22kA

) 150kO

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& Europe

K:

USA

U: PX(Far

East,

Hawaii) T:Engtand

UE:MFES(Europe) X:Austratia

P:Canada

W:EuroPe

M: Other

Areas

fi inciicates

safety

critical

components. 59

ffiffi. @@@

spEesFrcATt0rus

Audio

Frequoncy rosponse

Signal

-to-Noise ratio.

Dynamic range

Total harmonic

distortion ....

Channel s€paration

Wow & flutter.

Line

output level.

Headphones outpr.rt

level/irnpedance

Digitaloutpnt.

Format

Type

Read

system

laser

pick-up.....

Spindle

speed

....

Error

correction

..

1 Hz-20 k1z

more

than i

05 dB

more

than

97 dB

0.001 o/o

or less

(1 kHz,

THD)

0 003% (THD,

+

Noise)

more

than 1 15

dB

Below

measurable

limit

(+0.001 o/o,W

PEAK)

FIXED:

2.O

V

VARIABLE:

0-2.0 V

25 mW/32 ohms (With

tevel

control)

Optical

output:

- 15

dBm

- -21 dBm

(wave

length

650 nm)

Coaxial

output:

0.5

Vp-p

(75

0)

Compact

disc

player

Non-contact

optical

pick-up

system

GaAlAs,

L:800 nm

About 500 rpm - 200 rpm

Cross Interleave

Read

Solomon

Code

2 channels

General

Power consumptions..

Dimentions

.....

Weight

(Netl

25W

W: 440

mm

(17-5l1O"l

H: 108

mm

(4-114"1

D: 316

mm

(12-7liO"l

'10

ks

(22

tb)

1

2

RC-P33OOD

lnfrared

beam

pulse

DC

3 V:

R6

(AA)x

2

H. 157

mm

(6-3/16")

W: 68

mm

{2-11116')

D, 18

mm

(11/'16")

1

15

g

(0.253

lb)

(With

bar-

teries)

'i

Note:

We foliow

a policy

of

advancements in

developmenl For

this

reason

specifications

may be changed without notice

Note :

component and circuitry are subject

to modification to insure

best

ope-

ration under differing local conditions. This manual is based

on. the

u.s.A. (K) standard,

and

provides

information

on regional

circuit

modi-

fication through use

of alternate

schematic

diagrams,

and

information on

regional

component

variations

through

use

of parts

list.

KENWOOD

CORPORATION

Shionogi Shibuya Building,

17-5,

2chome Shibuya,

Shibuya*u,

Tokyo

150,

Japan

KENWOOD

ELECTRONICS

1315

E. Walsoncenter

Rd,

Carson,

California

90745;

75

Seaview

Drive,

Secaucus, New

Jersey

07094, U.S.A.

KENWOOD

ELECTRONICS

CANADA INC

PO.

Box

1075

959 Gana

Court,

Mississauga,

Ontario,

Canada

L4T 4Cz

KENWOOD

ELECTRONICS

BENELUX

N V

Mechelsesteenweg

418

B-1930

Zaventem,

Belgium

KENWOOD

ELECTRONICS

DEUTSCHLAND

GMBH

RembruckerSlr

15,

6056

Heusenstamm,

Wesl

Germany

TRIO-KENWOOD

FRANCE

S

A

Hi-Fi.VIDEO.CAR

Hi-Fi

-13,

Boulevard

Ney,

75018 Paris,

France

TRIO-KENWOOD

U.K. LTD.

17

Bristol Road,

The Metropolitan

centre,

Greenford,

Middx.

UB6 gUp Enqland

KENWOOD

ELECTRONICS

AUSTRALIA

PTY.

LTD

4E Woodcock Place,

Lane

Cove, N.S

W. 2066, Australia

KENWOOD

& LEE

ELECTRONICS,

LTD

Wang

Kee Building,

sth Floor,

34-37,

Connaught

Road,

Central, Hong

Kong

DP3300D

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