ST SP55 STSP55
User Manual: STSP55
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Page Count: 16

1
AEP Model
UK Model
E Model
SPECIFICATIONS
SERVICE MANUAL
MICRO Hi-Fi COMPONENT SYSTEM
ST-SP55
FM stereo, FM/AM superheterodyne tuner
Input
AUX IN (phono jacks): voltage 250 mV, impedance
47 kilohms
Output
AUX OUT (phono jacks): voltage 250 mV, impedance
1 kilohm
FM tuner section
Tuning range 87.5 – 108.0 MHz
(50 kHz step)
Aerial FM lead aerial
Aerial terminals 300 ohms unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
European model: 531 – 1,602 kHz
(with the interval set at 9 kHz)
Other models: 531 – 1,602 kHz
(with the interval set at 9 kHz)
530 – 1,710 kHz
(with the interval set at 10 kHz)
Aerial AM loop aerial
External aerial terminals
Intermediate fre
q
uenc
y
450 kHz
General
Dimensions (w/h/d) incl. projecting parts and controls
Approx. 202 × 75 × 291 mm
Mass Approx. 1.3 kg
Design and specifications are subject to change
without notice.
ST-SP55 is the tuner section
in CMT-SP55MD or CMT-SP55TC.

4
SECTION 3
DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.
•f: internal component.
•C: panel designation.
For printed wiring boards.
Note:
•X: parts extracted from the component side.
•Y: parts extracted from the conductor side.
•a: Through hole.
•b: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•U: B+ Line.
•V: B– Line.
•H: adjustment for repair.
• no mark : FM
∗: Can not be measured.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F: FM
J: CD
d: TAPE
G: REC (TAPE/MD)
j: MD
• Abbreviation
MY : Malaysia model.
SP : Singapore model.
HK : Hong Kong model.
KR : Korea model.
AED : North European model.
• Indication of transistor
C
These are omitted
EB
Q
C
These are omitte
d
EB
Note:
The components identified by mark 0 or
dotted line with mark 0 are critical for
safety.
Replace only with part number specified.
1
IC701 qa XCOUT
2
IC701 qd XOUT
30.5µsec
100nsec
2.7Vp-p
4.6Vp-p
• WAVEFORMS
– MAIN BOARD –
MAIN board
PANEL board
LED board
PIN JACK boar
d
tuner unit (FM/AM)
3-1. CIRCUIT BOARDS LOCATION

ST-SP55
5
5
3-2. BLOCK DIAGRAM
: FM
: CD
: MD
: TAPE
: REC (TAPE/MD)
• Signal Path
• R-ch is omitted due to same as L-ch.
Q291
+10V REG
75
61
VOL-DATA
FUNC1
60 FUNC2
58
13
FUNC INHIBIT
72
DSG-OFF
76
PRE-MUTE
77
HP-MUTE HP-MUTE
78
TA-STANDBY
79
PWR-RELAY
80
SP-RELAY
86
VOL-ENC-A
87
VOL-ENC-B
DSG-OFF
XPRE-MUTE
ON/STBY
P-RELAY
S-RELAY
ENC0
ENC1
TA-KEY
X0
X1
X2
X3
AUXH-L
AUXL-L
TC-L
74
VOL-CLK
73
VOL-LAT
14
13
12
11
DI
CONTROL
CL
CE
44
PAUSE-LED
43
PLAY-LED
42
CD-XLT
41
SENSE
40
LOAD-IN
39
LOAD-OUT
38
BD-POWER
37
CD-CLK
35
CD-DATA
34
LPC-HOLD
33
SQCLK
32
SQDATA
19
SCOR
95
CDM-SW
92
KEY3
91
KEY2
LED1
LED0
CD-XLAT
SENS
LOAD-OUT
LOAD-IN
CD-POWER
CD-CLK
CD-DATA
HOLD
SQCK
SQSO
SCOR
CDM-SW
CD-KEY
P-DOWN OUT
PCPON
IIC-DAT
IIC-CLK
10 9
10
9
6
17
6
8
1
6
4
8
2
5
1
11
10
14
12
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
4
11
10
13
9
12
15
16
14
4
5
1
3
17
16
19
15
12
14
15
11
5 3 1
BUFFER
IC231
Q201
Q221
MUTE
130 2
51
RO-MUTE AUX
Q301
+11V REG.
3 2
IC282
-7V REG.
IC281
+7V REG.
3 1
IC283
+5V REG.
3 1
L
R
AUX OUT
L
R
AUX IN
+5V
SWITCH
Q281,282
CD L
IIC-CLK
IIC-DATA
PCPON
PDOWN
TC-R
TC-L
MD-R
MD-L
REC R
REC L
CD R
CDKEY
PLAY LED
PAUSE LED
DATA
XLAT
CLOK
HOLD
SQSO
SENS
SQCK
SCOR
CD MSW
LOAD-IN
LOAD-OUT
CD-KEY
LED0
LED1
CD-DATA
CD-XLAT
CD-CLK
HOLD
SQSO
SENS
SQCK
SCOR
CDM-SW CD-PWR
+ UBREG(L)
LOAD-IN
LOAD-OUT
UNREG(L)
+5V
SYSTEM
CONTROL
2
(TO CDP-SP55)
SYSTEM
CONTROL
1
(FROM TA-SP55)
SYSTEM
CONTROL
3
SYSTEM
CONTROL
3
TO TC-SP55/
MDS-SP55
TO TC-SP55/
MDS-SP55
CN203(1/2)
J210(2/2)
CN203(2/2)
CN201
J210(1/2)
CN205
+UNREG(L)
+UNREG(L)
-UNREG
+13.5V(REG)
+5.6V(UNSW)
TA-KEY/HPSW
ENC1
ENC0
XS-RELAY
P-RELAY
ON/STBY/AMP-MUTE
HP-MUTE
XPRE-MUTE
R
L
DSG-OFF
-UNREG(L)
+UNREG(H)
D+5.6V(UNSW)
LSELO LIN
LOUT
IC401
INPUT SELECT/EVR
ST-L L1
L2
L3
L4
MD-L
CD-L
SEL-L
R-CH
R-CH
R-CH
R-CH
+5V
R-CH
R-CH
R-CH
PDOWN
PCPON
DATA
CLK
IC701
MASTER
CONTROL
+10V
-7V
+7V
+5V
+5V
+UNREG(L)
CONTROL
X
A
B
INH
IC202
INPUT SELECTOR
09
D950-957
6
5
4
DATA
SCK
STB
1
VDD
3
VREF
1
OUT
DPDATA
DPCLK
DPCS
LCD
DISPLAY
UNIT
IC901
REMOTE
COMMANDER
RECEIVER
B+
SWITCH
LED
DRIVE
+5V
+5V
Q704
Q701,702
Q705,706
–7V
BACK
LIGHT
ILL(-7V)
84 4
DP PWR
BL DIMMER
1 2 3
DP DATA
DP CLK
DP CS
83
DP PWR
88
SIRCS
89
90
KEY0
KEY1
21
20 24
23 27
18 26 28
25
RDS DATA
RDS INT
TUNED
STEREO
ST MUTE
ST DIN
ST DOUT
ST CLK
ST CE
S923
S922
S921
S920
S910
TUNING
MODE
TUNING
–
TUNER/
BAND
TUNING
+
DISPLAY
85
67
30
29
TUNER
UNIT RDS DATA
RDS INT
TUNED
STEREO
ST MUTE
ST DIN
ST DOUT
ST CLK
ST CE
FM 75Ω
G
AM

ST-SP55
7
7
3-4. PRINTED WIRING BOARD – MAIN SECTION –
There are a few cases that the part isn't mounted
in model is printed on diagram.
Ref. No. Location
D201 D-5
D282 E-6
D283 G-6
D291 E-4
D301 F-5
D701 F-3
D702 F-3
D731 C-2
D733 C-3
IC202 B-4
IC231 A-6
IC281 G-6
IC282 G-7
IC283 F-5
IC401 C-5
IC701 E-2
IC702 C-3
Q201 B-3
Q221 A-6
Q271 A-5
Q281 A-7
Q282 A-6
Q291 F-4
Q301 F-5
Q701 G-3
Q702 F-1
Q704 G-3
Q705 F-2
Q706 F-2
Q731 B-3
• Semiconductor
Location
(Page 9)
(Page 9)
(Page 9)
AEP,UK,AED

ST-SP55
9
9
3-6. PRINTED WIRING BOARD – PANEL SECTION –
There are a few cases that the part isn't mounted
in model is printed on diagram.
(Page 7)
(Page 7)
(Page 7)

ST-SP55
10
10
1 DP_DATA O LCD data output.
2 DP_CLK O LCD clock output.
3 DP_CS O LCD chip STB signal output.
4 BL_DIMMER O LCD back light bright signal output. (H: BRIGHT, L: DARK)
5 N.C — Not used.
6 N.C — Not used.
7 N.C — Not used.
8 BYTE — Connected to ground.
9 GND — Connected to ground.
10 XC IN I SUB CLOCK input. (32.768kHz)
11 XC OUT O SUB CLOCK output. (32.768kHz)
12 RESET I System master reset input.
13 X-OUT O MAIN SYSTEM CLOCK output. (10MHz)
14 VSS — Ground
15 X-IN I MAIN SYSTEM CLOCK input. (10MHz)
16 VCC — Power supply. (EVER +5V)
17 NMI I PULL UP (EVER +5V)
18 ST_MUTE O ST MUTE singal output.
19 SCOR I CD Q-data request signal input.
20 RDS-INT I RDS clock signal input.
21 RDS-DATA I RDS data signal input.
22 AC OUT I TA AC interrupt signal input. (H: AC ON, L: AC OFF)
23 STEREO I ST STEREO signal input. (L: STEREO)
24 TUNED I ST TUNED signal input. (L: TUNED)
25 ST_CE O ST PLL chip enable signal output.
26 ST_DOUT O ST PLL data signal output.
27 ST_DIN I ST PLL data signal input.
28 ST_CLK O ST PLL clock output.
29 IIC_CLK I/O IIC SCL output.
30 IIC_DAT I/O IIC SDA output.
31 TXD1 — Not used.
32 SQ DATA I CD SUBQ data input.
33 SQ CLK O CD SUBQ clock output.
34 LPC_HOLD O CD LPC hold output.
35 CD_DATA O CD data signal output.
36 N.C I Not used.
37 CD_CLK O CD clock output.
38 BD_PWR O CD_BD power control signal output. (H: ON, L: OFF)
39 LOAD_OUT O CD loading motor control signal output.
40 LOAD_IN O CD loading motor control signal output.
41 SENSE I CD SENSE signal input.
42 CD_XLAT O CD XLAT signal output.
43 PLAY_LED O CD PLAY LED signal output. (H: OFF, L: ON)
44 PAUSE_LED O CD PAUSE LED signal output. (H: OFF, L: ON)
45 to 50 N.C — Not used.
51 RO_MUTE_AUX O AUX out mute signal output. (H: MUTE OFF, L: MUTE)
52 to 57 N.C — Not used.
58 FUNC_INHIBIT O TA input select inhibit signal. (H: INHIBIT, L: NOT INHIBIT)
59 N.C O Not used.
60 FUNC2 O TA input select signal output.
61 FUNC1 O TA input select signal output.
62 VCC — Power Supply (EVER +5V)
63 N.C — Not used.
FunctionPin Name
Pin No.
3-7. IC PIN FUNCTIONS
• IC701 M30620MCA-A67FP MASTER CONTROL (MAIN BOARD)
64 VSS — Ground.
65 N.C — Not used.
66 N.C — Not used.
67 PCPON I Power ON signal from PC.
68 to 71 N.C — Not used.
72 DSG_ON O TA DSG off control signal output. (H: DSG OFF, L: DSG ON)
73 VOL_LAT O ST, “(IC401)” Volume latch.
74 VOL_CLK O ST, “(IC401)” Volume clock.
75 VOL_DATA O ST, “(IC401)” Volume data signal output.
76 PRE_MUTE O TA PRE MUTE signal output. (H: MUTE OFF, L: MUTE ON)
77 XHP_MUTE O TA headphone MUTE signal output. (H: MUTE OFF, L: MUTE ON)
78 ON/STANDBY O TA Power amp MUTE/Standby LED signal output. (H: ON, L: STANDBY)
79 PWR_RELAY O TA Standby relay signal output. (H: RELAY OFF, L: RELAY)
80 SP_RELAY O TA Speaker relay signal output.
81 N.C — Not used.
82 N.C — Not used.
83 DP_PWR O LCD power ON/OFF signal output. (H: OFF, L: ON)
84 ILL O LCD backlight ON/OFF signal output. (H: ON, L: OFF)
85 P_DOWN OUT O MD/TC power control signal output. (H: POW ON, L: STANDBY)
86 VOL_ENC_A I TA Volume encoder (A) signal input.
87 VOL_ENC_B I TA Volume encoder (B) signal input.
88 SIRCS I RM SIRCS signal input.
89 KEY0 I KEY A/D input. (For ST)
90 KEY1 I KEY A/D input. (For ST)
91 KEY2 I KEY A/D input. (For TA)
92 KEY3 I KEY A/D input. (For CDP)
93 NC — Not used.
94 NC I Not used (pull up).
95 CDM_SW I CD Loading switch input.
96 AD_GND — Analog ground.
97 DISTINATION I Distination signal input.
98 VREF — Analog Reference Voltage.
99 AVCC — Analog Power Supply.
100 NC — Not used.
FunctionPin Name
Pin No.
INH A B SEL FUNC
L L L 0 AUX (H)
L H L 1 AUX (L)
L L H 2 TAPE
L H H 3 GND
HXXNONE NONE

2
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
TABLE OF CONTENTS
1. SERVICE NOTE .................................................... 3
2. GENERAL .......................................................................... 3
3. DIAGRAMS
3-1. Circuit Boards Location ........................................................ 4
3-2. Block Diagram ...................................................................... 5
3-3. Schematic Diagram – Main Section –.................................. 6
3-4. Printed Wiring Board – Main Section –................................ 7
3-5. Schematic Diagram – Panel Section –.................................. 8
3-6. Printed Wiring Board – Panel Section –................................ 9
3-7. IC Pin Functions .................................................................. 10
3-8. IC Block Diagram ............................................................... 11
4. EXPLODED VIEW
4-1. Case and Front Panel .......................................................... 12
5. ELECTRICAL PARTS LIST ........................................ 13

3
SECTION 2
GENERAL
1 (Remote sensor)
2Display window
3TUNING +/– button
4TUNER/BAND button
5TUNING MODE button
6DISPLAY button
1
6 5 4
2 3
SECTION 1
SERVICE NOTE
CD Text Display
• This unit displays CD text.
Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case.
In some cases, some special characters will not be displayed and may be replaced by other characters. Do not suspect a fault in this case.
Cold Reset
• The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the
customer.
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and ML buttons (CDP) together.
2. “COLD RESET” is displayed on the fluorescent indicator tube and reset is executed.
Hot Reset
• This mode reset the preset data kept in the memory. The hot reset mode functions same as if the power cord is plugged in and out.
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and lm buttons (CDP) together.
2. Turn off the unit and reset is executed.
GC Test Mode
Procedure :
1. When the power ON, press the ?/1 button (TA) while pressing the TUNING MODE button (ST) and PLAY MODE buttons (CDP)
together.
2. LCD are all turned on.
3. Press TUNING MODE button (ST) to enter the model destination indecation mode. “SP55 CE2” or “SP55 ASIA2” appears.
4. Every pressing of TUNING MODE button (ST) changes the display in the following order.
MC Version t CD Version t ST Version t TC Version t TA Version t TM Version t model destination display.
5. Press DISPLAY button (ST) and the date appears as “ 00615a ”
Every pressing of DISPLAY button (ST) changes the display in the Version display and model destination display.
6. Press TUNER/BAND button (ST) to enter the key check mode.
7. In the key check mode, the fluorescent indicator tube displays “Key 0 Vol 0”. Each time a button is pressed, “Key” value increases.
However, once a button is pressed, it is no longer taken into account.
“Vol” Value increases like “1, 2, 3 ...” if rotating VOLUME knob (TA) in the clockwise direction, or decreases like “0, 9, 8 ...” if rotating
in the counterclockwise diretion.
8. To exit from this mode, disconnect the power cord.
This unit cannot be repaired by itself.
When repairing, connect the whole system except for the speaker.

12
SECTION 4
EXPLODED VIEW
4-1. CASE AND FRONT PANEL
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
• Abbreviation
AED : North European model
MY : Malasia model
SP : Singapore model
HK : Hong Kong model
KR : Korea model
1 1-769-916-11 WIRE (FLAT TYPE) (9 CORE)
2 4-951-620-01 SCREW (2.6X8), +BVTP
3 1-678-671-11 PANEL BOARD
4 4-229-683-01 PLATE (R), SIDE
5 4-229-678-01 BUTTON (U/D)
6 X-4953-027-1 FOOT ASSY
7 4-229-677-01 WINDOW (LCD)
8 4-229-676-01 PANEL (ST), FRONT (AEP,UK,AED)
8 4-229-676-11 PANEL (ST), FRONT (HK,MY,SP,KR)
9 4-229-684-01 PLATE (L), SIDE
10 X-4953-022-1 PANEL ASSY (ST), SUB
11 4-229-680-01 ILLUMINATOR
12 4-229-679-01 HOLDER, LCD
13 1-678-672-11 LED BOARD
14 1-769-970-11 WIRE (FLAT TYPE) (13 CORE) (HK,MY,SP,KR)
14 1-773-002-11 WIRE (FLAT TYPE) (15 CORE) (AEP,UK,AED)
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
15 A-4424-804-A MAIN BOARD, COMPLETE (AEP,UK,AED)
15 A-4473-725-A MAIN BOARD, COMPLETE (HK,MY,SP,KR)
16 3-363-099-51 SCREW (CASE 3 TP2)
17 4-229-687-11 CASE
18 4-229-686-01 PANEL, BACK (AEP,UK,AED)
18 4-229-686-21 PANEL, BACK (HK,MY,SP)
18 4-229-686-31 PANEL, BACK (KR)
19 1-693-482-11 TUNER (FM/AM) (HK,MY,SP,KR)
19 1-693-499-11 TUNER (FM/AM) (AEP,UK,AED)
20 1-678-673-11 PIN JACK BOARD
21 4-965-822-01 FOOT
22 4-924-098-11 HOLDER, PC BOARD
23 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
24 7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S
25 7-685-650-79 SCREW +BVTP 3X16 TYPE2 N-S
LCD101 1-804-056-11 DISPLAY PANEL, LIQUID CRYSTAL
1
2
2
3
4
5
24
24
6
7
8
910
11
23
12
13 2
14 15
25
16
16
17
18
23
19 20
21
22
not supplied
not
supplied
LCD101
23
23
23
A
A
not supplied
not supplied

13
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
SECTION 5
ELECTRICAL PARTS LIST
1-678-672-11 LED BOARD
********
< CAPACITOR >
C950 1-161-494-00 CERAMIC 0.022uF 25V
< DIODE >
D950 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D951 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D952 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D953 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D954 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D955 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D956 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
D957 8-719-080-67 DIODE SELU6714C-TP6 (LED BACK LIGHT)
< RESISTOR >
R950 1-249-406-11 CARBON 120 5% 1/4W F
R951 1-249-406-11 CARBON 120 5% 1/4W F
R952 1-249-406-11 CARBON 120 5% 1/4W F
R953 1-249-406-11 CARBON 120 5% 1/4W F
**************************************************************
A-4424-804-A MAIN BOARD, COMPLETE (AEP,UK,AED)
********************************
A-4473-725-A MAIN BOARD, COMPLETE (HK,MY,SP,KR)
*********************************
< CAPACITOR >
C201 1-128-832-11 ELECT 220uF 20% 10V
C202 1-128-832-11 ELECT 220uF 20% 10V
C203 1-161-494-00 CERAMIC 0.022uF 25V
C204 1-128-832-11 ELECT 220uF 20% 10V
C205 1-161-494-00 CERAMIC 0.022uF 25V
C206 1-161-494-00 CERAMIC 0.022uF 25V
C207 1-119-824-11 ELECT MELF 10uF 20% 50V
C211 1-119-824-11 ELECT MELF 10uF 20% 50V
C212 1-119-824-11 ELECT MELF 10uF 20% 50V
C213 1-119-823-11 ELECT 4.7uF 20% 50V
C214 1-119-824-11 ELECT MELF 10uF 20% 50V
C215 1-128-858-91 ELECT 22uF 20% 25V
C216 1-119-821-11 ELECT MELF 2.2uF 20% 50V
C217 1-130-476-00 MYLAR 0.0027uF 5% 50V
C218 1-136-177-00 MYLAR 1uF 5% 50V
C219 1-136-177-00 MYLAR 1uF 5% 50V
C220 1-119-820-11 ELECT 1uF 20% 50V
C221 1-162-288-31 CERAMIC 330uF 10% 50V
C225 1-162-282-31 CERAMIC 100PF 10% 50V
C227 1-162-288-31 CERAMIC 330uF 10% 50V
C228 1-162-294-31 CERAMIC 0.001uF 10% 50V
C231 1-161-494-00 CERAMIC 0.022uF 25V
C232 1-161-494-00 CERAMIC 0.022uF 25V
C261 1-119-824-11 ELECT MELF 10uF 20% 50V
C262 1-119-824-11 ELECT MELF 10uF 20% 50V
C263 1-119-823-11 ELECT 4.7uF 20% 50V
C264 1-119-824-11 ELECT MELF 10uF 20% 50V
C265 1-128-858-91 ELECT 22uF 20% 25V
C266 1-119-821-11 ELECT MELF 2.2uF 20% 50V
C267 1-130-476-00 MYLAR 0.0027uF 5% 50V
C268 1-136-177-00 MYLAR 1uF 5% 50V
C269 1-136-177-00 MYLAR 1uF 5% 50V
C270 1-119-820-11 ELECT 1uF 20% 50V
C275 1-162-282-31 CERAMIC 100PF 10% 50V
C278 1-162-294-31 CERAMIC 0.001uF 10% 50V
C281 1-128-547-11 ELECT 6800uF 20% 16V
C282 1-126-936-11 ELECT 3300uF 20% 16V
C283 1-161-494-00 CERAMIC 0.022uF 25V
C284 1-161-494-00 CERAMIC 0.022uF 25V
C285 1-161-494-00 CERAMIC 0.022uF 25V
C287 1-126-933-11 ELECT 100uF 20% 16V
C288 1-126-934-11 ELECT 220uF 20% 10V
C289 1-126-934-11 ELECT 220uF 20% 10V
C290 1-126-916-11 ELECT 1000uF 20% 6.3V
C291 1-104-665-11 ELECT 100uF 20% 25V
C292 1-104-665-11 ELECT 100uF 20% 25V
C293 1-126-933-11 ELECT 100uF 20% 16V
C294 1-126-934-11 ELECT 220uF 20% 16V
C301 1-126-933-11 ELECT 100uF 20% 16V
C302 1-126-934-11 ELECT 220uF 20% 16V
C701 1-161-494-00 CERAMIC 0.022uF 25V
C702 1-161-494-00 CERAMIC 0.022uF 25V
C703 1-161-494-00 CERAMIC 0.022uF 25V
C704 1-162-205-31 CERAMIC 18PF 5% 50V
C705 1-162-205-31 CERAMIC 18PF 5% 50V
C706 1-126-934-11 ELECT 220uF 20% 10V
C707 1-161-494-00 CERAMIC 0.022uF 25V
C708 1-164-159-11 CERAMIC 0.1uF 50V
C709 1-164-159-11 CERAMIC 0.1uF 50V
C731 1-125-507-11 CAPACITOR 0.22F 5.5V
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
LED
• SEMICONDUCTORS
In each case, u: µ , for example:
uA...: µ A..., uPA...: µ PA..., uPB...: µ PB...,
uPC...: µ PC..., uPD...: µ PD...
• CAPACITORS
uF : µ F
• COILS
uH : µ H
• Abbreviation
AED : North European model
MY : Malasia model
SP : Songapore model
HK : Hong Kong model
KR : Korea model
• Due to standardization, replacements in the parts
list may be different from the parts specified in the
diagrams or the components used on the set.
• -XX, -X mean standardized parts, so they may
have some difference from the original one.
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
• RESISTORS
All resistors are in ohms
METAL: Metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F : nonflammable
Note:
When indicating parts by reference
number, please include the board
name.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
MAIN

14
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
C732 1-126-925-11 ELECT 470uF 20% 10V
C733 1-104-664-11 ELECT 47uF 20% 16V
C734 1-104-664-11 ELECT 47uF 20% 16V
C735 1-164-159-11 CERAMIC 0.1uF 50V
C736 1-164-159-11 CERAMIC 0.1uF 50V
C737 1-164-159-11 CERAMIC 0.1uF 50V
C741 1-162-282-31 CERAMIC 100PF 10% 50V
C742 1-162-282-31 CERAMIC 100PF 10% 50V
C743 1-162-282-31 CERAMIC 100PF 10% 50V
C761 1-164-159-11 CERAMIC 0.1uF 50V
< CONNECTOR >
CN201 1-569-624-11 SOCKET, CONNECTOR 17P
CN203 1-793-351-21 SOCKET, CONNECTOR 19P
CN205 1-794-498-11 SOCKET, CONNECTOR 20P
*CN208 1-568-954-11 PIN, CONNECTOR 5P
CN211 1-784-776-11 CONNECTOR, FFC 15P (AEP,UK,AED)
CN211 1-784-774-11 CONNECTOR, FFC 13P (HK,MY,SP,KR)
CN212 1-568-828-11 CONNECTOR, FFC 9P
CN701 1-568-951-11 PIN, CONNECTOR 2P
*CN702 1-564-512-11 PLUG, CONNECTOR 9P
< DIODE >
D201 8-719-911-19 DIODE 1SS133T-72
D282 8-719-911-19 DIODE 1SS133T-72
D283 8-719-911-19 DIODE 1SS133T-72
D291 8-719-921-80 DIODE MTZJ-T-72-11B
D301 8-719-947-48 DIODE MTZJ-T-72-11A
D701 8-719-024-99 DIODE 11ES2-NTA2B
D702 8-719-024-99 DIODE 11ES2-NTA2B
D731 8-719-911-19 DIODE 1SS133T-72
D733 8-719-911-19 DIODE 1SS133T-72
< IC >
IC202 8-759-000-48 IC MC14052BCP
IC231 8-759-705-58 IC NJM4558D-D
IC281 8-759-373-82 IC TA7807SB
IC282 8-759-373-94 IC TA79007SB
IC283 8-759-373-79 IC TA7805SB
IC401 8-759-669-03 IC LC75342
IC701 8-759-681-71 IC M30620MCA-A67FP
IC702 8-759-635-63 IC M51943BSL-TP
< TRANSISTOR >
Q201 8-729-422-57 TRANSISTOR BN1A4M-TP
Q221 8-729-141-30 TRANSISTOR 2SC3623ATP-LK
Q271 8-729-141-30 TRANSISTOR 2SC3623ATP-LK
Q281 8-729-040-20 TRANSISTOR RT1P137L-TP
Q282 8-729-900-80 TRANSISTOR BA1A4M-TP
Q291 8-729-026-68 TRANSISTOR 2SD2525(TP)
Q301 8-729-026-68 TRANSISTOR 2SD2525(TP)
Q701 8-729-049-80 TRANSISTOR RTIN137S-TP
Q702 8-729-422-57 TRANSISTOR BN1A4M-TP
Q704 8-729-422-57 TRANSISTOR BN1A4M-TP
Q705 8-729-422-57 TRANSISTOR BN1A4M-TP
Q706 8-729-049-80 TRANSISTOR RTIN137S-TP
Q731 8-729-620-05 TRANSISTOR 2SC2603TP-EF
< RESISTOR >
R201 1-247-887-00 CARBON 220K 5% 1/4W
R211 1-249-425-11 CARBON 4.7K 5% 1/4W F
R212 1-249-429-11 CARBON 10K 5% 1/4W
R213 1-249-418-11 CARBON 1.2K 5% 1/4W F
R214 1-249-429-11 CARBON 10K 5% 1/4W
R215 1-249-421-11 CARBON 2.2K 5% 1/4W F
R216 1-249-429-11 CARBON 10K 5% 1/4W
R217 1-249-417-11 CARBON 1K 5% 1/4W F
R218 1-247-843-11 CARBON 3.3K 5% 1/4W
R219 1-249-393-11 CARBON 10 5% 1/4W F
R221 1-249-421-11 CARBON 2.2K 5% 1/4W F
R222 1-249-429-11 CARBON 10K 5% 1/4W
R223 1-249-429-11 CARBON 10K 5% 1/4W
R224 1-249-413-11 CARBON 470 5% 1/4W F
R225 1-249-441-11 CARBON 100K 5% 1/4W
R226 1-249-421-11 CARBON 2.2K 5% 1/4W F
R227 1-249-417-11 CARBON 1K 5% 1/4W F
R230 1-247-836-11 CARBON 1.6K 5% 1/4W
R231 1-249-437-11 CARBON 47K 5% 1/4W
R232 1-249-437-11 CARBON 47K 5% 1/4W
R261 1-249-425-11 CARBON 4.7K 5% 1/4W F
R262 1-249-429-11 CARBON 10K 5% 1/4W
R263 1-249-418-11 CARBON 1.2K 5% 1/4W F
R264 1-249-429-11 CARBON 10K 5% 1/4W
R265 1-249-421-11 CARBON 2.2K 5% 1/4W F
R266 1-249-429-11 CARBON 10K 5% 1/4W
R267 1-249-417-11 CARBON 1K 5% 1/4W F
R268 1-247-843-11 CARBON 3.3K 5% 1/4W
R269 1-249-393-11 CARBON 10 5% 1/4W F
R271 1-249-421-11 CARBON 2.2K 5% 1/4W F
R272 1-249-429-11 CARBON 10K 5% 1/4W
R273 1-249-429-11 CARBON 10K 5% 1/4W
R274 1-249-413-11 CARBON 470 5% 1/4W F
R275 1-249-441-11 CARBON 100K 5% 1/4W
R276 1-249-421-11 CARBON 2.2K 5% 1/4W F
R277 1-249-417-11 CARBON 1K 5% 1/4W F
R280 1-247-836-11 CARBON 1.6K 5% 1/4W
R291 1-249-417-11 CARBON 1K 5% 1/4W F
R292 1-249-417-11 CARBON 1K 5% 1/4W F
R301 1-247-843-11 CARBON 3.3K 5% 1/4W F
R401 1-247-807-31 CARBON 100 5% 1/4W
R402 1-247-807-31 CARBON 100 5% 1/4W
R403 1-247-807-31 CARBON 100 5% 1/4W
R702 1-247-891-00 CARBON 330K 5% 1/4W
R703 1-249-425-11 CARBON 4.7K 5% 1/4W F
R704 1-249-425-11 CARBON 4.7K 5% 1/4W F
R705 1-249-429-11 CARBON 10K 5% 1/4W
R706 1-249-429-11 CARBON 10K 5% 1/4W
R707 1-249-435-11 CARBON 33K 5% 1/4W
R708 1-249-435-11 CARBON 33K 5% 1/4W
R709 1-249-435-11 CARBON 33K 5% 1/4W
R710 1-249-435-11 CARBON 33K 5% 1/4W
R711 1-249-429-11 CARBON 10K 5% 1/4W
R712 1-249-429-11 CARBON 10K 5% 1/4W
R713 1-249-416-11 CARBON 820 5% 1/4W F
(AEP,UK,AED)
R713 1-249-426-11 CARBON 5.6K 5% 1/4W
(HK,MY,SP,KR)
R714 1-249-412-11 CARBON 390 5% 1/4W F
(HK,MY,SP,KR)
R714 1-249-426-11 CARBON 5.6K 5% 1/4W
(AEP,UK,AED)
R715 1-249-429-11 CARBON 10K 5% 1/4W
R716 1-249-429-11 CARBON 10K 5% 1/4W
MAIN

15
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
R717 1-249-429-11 CARBON 10K 5% 1/4W
R718 1-249-429-11 CARBON 10K 5% 1/4W
R719 1-247-807-31 CARBON 100 5% 1/4W
R720 1-249-429-11 CARBON 10K 5% 1/4W
R721 1-249-429-11 CARBON 10K 5% 1/4W
R722 1-249-417-11 CARBON 1K 5% 1/4W F
R723 1-249-417-11 CARBON 1K 5% 1/4W F
R724 1-249-429-11 CARBON 10K 5% 1/4W
R725 1-249-441-11 CARBON 100K 5% 1/4W
R731 1-247-807-31 CARBON 100 5% 1/4W
R732 1-249-417-11 CARBON 1K 5% 1/4W F
R733 1-249-425-11 CARBON 4.7K 5% 1/4W F
R734 1-249-437-11 CARBON 47K 5% 1/4W
R735 1-249-437-11 CARBON 47K 5% 1/4W
R736 1-249-429-11 CARBON 10K 5% 1/4W
R737 1-249-429-11 CARBON 10K 5% 1/4W
R741 1-247-807-31 CARBON 100 5% 1/4W
R742 1-247-807-31 CARBON 100 5% 1/4W
R743 1-247-807-31 CARBON 100 5% 1/4W
R751 1-247-807-31 CARBON 100 5% 1/4W
R754 1-247-807-31 CARBON 100 5% 1/4W
R755 1-247-807-31 CARBON 100 5% 1/4W
R757 1-247-807-31 CARBON 100 5% 1/4W
R758 1-247-807-31 CARBON 100 5% 1/4W
R759 1-247-807-31 CARBON 100 5% 1/4W
R760 1-247-807-31 CARBON 100 5% 1/4W
R761 1-247-807-31 CARBON 100 5% 1/4W
R762 1-247-807-31 CARBON 100 5% 1/4W
R764 1-247-807-31 CARBON 100 5% 1/4W
R765 1-247-807-31 CARBON 100 5% 1/4W
R766 1-247-807-31 CARBON 100 5% 1/4W
R767 1-247-807-31 CARBON 100 5% 1/4W
R768 1-247-807-31 CARBON 100 5% 1/4W
R769 1-247-807-31 CARBON 100 5% 1/4W
R770 1-247-807-31 CARBON 100 5% 1/4W
R771 1-247-807-31 CARBON 100 5% 1/4W
R772 1-247-807-31 CARBON 100 5% 1/4W
R773 1-247-807-31 CARBON 100 5% 1/4W
R774 1-247-807-31 CARBON 100 5% 1/4W
R775 1-247-807-31 CARBON 100 5% 1/4W
R776 1-247-807-31 CARBON 100 5% 1/4W
R777 1-247-807-31 CARBON 100 5% 1/4W
R778 1-249-401-11 CARBON 47 5% 1/4W F
R779 1-249-401-11 CARBON 47 5% 1/4W F
< VIBRATOR >
X701 1-579-175-11 VIBRATOR, CERAMIC (10MHz)
X702 1-567-098-41 VIBRATOR, CRYSTAL (32.768KHz)
**************************************************************
1-678-671-11 PANEL BOARD
**********
< CAPACITOR >
C901 1-124-584-00 ELECT 100uF 20% 10V
C902 1-161-494-00 CERAMIC 0.022uF 25V
C903 1-161-494-00 CERAMIC 0.022uF 25V
C904 1-162-290-31 CERAMIC 470PF 10% 50V
C905 1-162-290-31 CERAMIC 470PF 10% 50V
C906 1-162-290-31 CERAMIC 470PF 10% 50V
< CONNECTOR >
CN901 1-784-731-11 CONNECTOR, FFC 9P
CN902 1-580-471-11 SOCKET, CONNECTOR 6P
< IC >
IC901 8-749-016-97 IC NJL62H400A (REMOTE SENSOR)
< RESISTOR >
R901 1-247-807-31 CARBON 100 5% 1/4W
R902 1-247-807-31 CARBON 100 5% 1/4W
R903 1-247-807-31 CARBON 100 5% 1/4W
R904 1-247-854-11 CARBON 9.1K 5% 1/4W
R905 1-249-417-11 CARBON 1K 5% 1/4W F
R906 1-247-807-31 CARBON 100 5% 1/4W
R907 1-249-401-11 CARBON 47 5% 1/4W F
R921 1-249-425-11 CARBON 4.7K 5% 1/4W F
R922 1-249-427-11 CARBON 6.8K 5% 1/4W F
R923 1-249-429-11 CARBON 10K 5% 1/4W
< SWITCH >
S910 1-771-410-21 SWITCH, TACTILE (DISPLAY)
S920 1-771-410-21 SWITCH, TACTILE (TUNING MODE)
S921 1-771-410-21 SWITCH, TACTILE (TUNER/BAND)
S922 1-771-410-21 SWITCH, TACTILE (-TUNING)
S923 1-771-410-21 SWITCH, TACTILE (+TUNING)
**************************************************************
1-678-673-11 PIN JACK BOARD
*************
< CAPACITOR >
C226 1-162-292-31 CERAMIC 680PF 10% 50V
C227 1-162-292-31 CERAMIC 680PF 10% 50V
C276 1-162-292-31 CERAMIC 680PF 10% 50V
C277 1-162-292-31 CERAMIC 680PF 10% 50V
C295 1-164-159-11 CERAMIC 0.1uF 50V
< JACK >
J210 1-695-188-31 JACK, PIN 4P (AUX IN/OUT)
**************************************************************
MISCELLANEOUS
*************
1 1-769-916-11 WIRE (FLAT TYPE) (9 CORE)
14 1-769-970-11 WIRE (FLAT TYPE) (13 CORE) (HK,MY,SP,KR)
14 1-773-002-11 WIRE (FLAT TYPE) (15 CORE) (AEP,UK,AED)
19 1-693-482-11 TUNER (FM/AM) (HK,MY,SP,KR)
19 1-693-499-11 TUNER (FM/AM) (AEP,UK,AED)
LCD101 1-804-056-11 DISPLAY PANEL, LIQUID CRYSTAL
PANEL PIN JACK
MAIN

16
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
ST-SP55
Sony Corporation
Audio Entertainment Group
9-929-536-11 2000I097551-1
Printed in Hungary ©2000.9
Published by General Engineering Dept.


