Sony SA-WM250 Service Manual ▷ View online
9
SA-WM250
SECTION 3
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
3-1. MAIN SECTION
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this
parts list.
• Abbreviation
CND : Canadian model
MY : Malaysia model
SP
MY : Malaysia model
SP
: Singapore model
TW : Taiwan model
TH
TH
: Thai model
KR
: Korea model
R
R
1
A-1186-795-A SPEAKER CABINET ASSY (MAPLE:TYPE B)
(AEP,UK,KR)
1
A-1189-732-A SPEAKER CABINET ASSY (MAPLE:TYPE B)
(MY,SP,TH)
1
A-4713-812-A SPEAKER CABINET ASSY (BLACK)
(US,CND,AEP,UK)
1
A-4715-636-B SPEAKER CABINET ASSY (MAPLE:TYPE A)
(AEP,UK,MY,SP,TW)
2
4-229-774-01 SCREW, TAPPING, HEXAGON SOCKET
3
4-253-174-01 GRILLE FRAME (for BLACK)
3
4-253-174-11 GRILLE FRAME (for MAPLE)
4
3-905-609-31 SCREW (TRANSISTOR)
* 5
3-703-244-00 BUSHING (2104), CORD
0 6
1-769-079-23 CORD, POWER (KR)
0 6
1-777-071-23 CORD, POWER (AEP,UK,SP,MY,TH)
0 6
1-783-820-11 CORD, POWER (US,CND)
0 6
1-827-597-41 CORD, POWER (TW)
7
4-999-482-81 KNOB (VOL)
8
4-235-677-01 SCREW (4X20) (TYPE1), +BVTP
9
2-349-022-11 SCREW, +BVTP (4X20) (TYPE1)
0 F901
1-532-463-33 FUSE (T1AL/250V) (AEP,UK,SP,MY,TH,KR)
0 F901
1-532-464-33 FUSE (2.5A/250V) (TW)
0 F901
1-533-418-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)
(US,CND)
SP901
1-825-845-11 LOUDSPEAKER (20cm) (WOOFER)
0 T901
1-439-624-12 TRANSFORMER, POWER
(AEP,UK,SP,MY,TH,KR)
0 T901
1-439-625-12 TRANSFORMER, POWER (US,CND,TW)
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#2
7-685-880-09 SCREW +BVTT 4X6 (S)
1
2
2
SP901
T901
F901
#2
#2
#2
#2
#1
#1
#1
#1
not supplied
not
supplied
supplied
not supplied
EXCEPT MAPLE : TYPE B
not supplied
not supplied
(CONTROL board)
(CONTROL board)
not supplied
(MAIN board)
(MAIN board)
not supplied
(SWITCH board)
(SWITCH board)
not supplied
(POWER TRANS board)
(POWER TRANS board)
not supplied
(INPUT CONTROL board)
(INPUT CONTROL board)
3
4
5
6
7
7
9
9
9
8
A
A
supplied with
RV801
RV801
supplied with
RV701
RV701
8
Ver. 1.2
ABOUT MAPLE TYPE A AND B
There is delicately different two kinds in a maple
type color.
The following serial number is maple type B.
AEP model
There is delicately different two kinds in a maple
type color.
The following serial number is maple type B.
AEP model
: Since 5514740
UK model
: Since 6601135
MY, SP model : Since 3355546
TH model
TH model
: Since 4400001
10
SA-WM250
SECTION 4
ELECTRICAL PARTS LIST
NOTE:
• 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.
parts specified in the diagrams or the
components used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• RESISTORS
All resistors are in ohms.
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• SEMICONDUCTORS
In each case, u : µ, for example:
uA.. : µA..
uA.. : µA..
uPA.. : µPA..
uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..
• CAPACITORS
uF : µF
• COILS
uH : µH
• Abbreviation
CND : Canadian model
TW : Taiwan model
MY : Malaysia model
TH
: Thai model
SP
: Singapore model
KR
: Korea model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
When indicating parts by reference
number, please include the board.
number, please include the board.
CONTROL BOARD
***************
***************
< CAPACITOR >
C801
1-126-964-11 ELECT
10uF
20%
50V
< CONNECTOR >
CNP801 1-691-765-11 PLUG (MICRO CONNECTOR) 3P
< VARIABLE RESISTOR >
RV801
1-227-511-11 RES, VAR, CARBON 20K (LEVEL)
*************************************************************
INPUT CONTROL BOARD
********************
********************
< CAPACITOR >
C101
1-128-813-11 CERAMIC
220PF
5%
50V
C201
1-126-964-11 ELECT
10uF
20%
50V
C701
1-126-947-11 ELECT
47uF
20%
35V
C702
1-126-947-11 ELECT
47uF
20%
35V
C703
1-126-963-11 ELECT
4.7uF
20%
50V
C704
1-131-702-11 FILM
0.68uF
5%
50V
C705
1-136-157-00 FILM
0.022uF
5%
50V
C706
1-126-965-11 ELECT
22uF
20%
50V
< CONNECTOR >
CN101
1-779-179-11 CONNECTOR (B5B-XH-A) 5P
CN701
1-784-931-11 PIN, CONNECTOR 5P
< DIODE >
D201
8-719-991-33 DIODE 1SS133T-77
D202
8-719-991-33 DIODE 1SS133T-77
D203
8-719-991-33 DIODE 1SS133T-77
D204
8-719-991-33 DIODE 1SS133T-77
< IC >
IC201
8-759-636-74 IC M5218AP-22
IC701
8-759-636-74 IC M5218AP-22
< JACK >
J101
1-815-025-11 JACK, PIN 1P (INPUT)
< RESISTOR >
R101
1-260-107-11 CARBON
4.7K
5%
1/2W
R102
1-247-879-11 CARBON
100K
5%
1/4W
R103
1-247-879-11 CARBON
100K
5%
1/4W
R104
1-247-847-11 CARBON
4.7K
5%
1/4W
R105
1-247-847-11 CARBON
4.7K
5%
1/4W
R106
1-247-847-11 CARBON
4.7K
5%
1/4W
R107
1-260-107-11 CARBON
4.7K
5%
1/2W
R108
1-247-879-11 CARBON
100K
5%
1/4W
R109
1-247-879-11 CARBON
100K
5%
1/4W
R110
1-247-879-11 CARBON
100K
5%
1/4W
R201
1-247-847-11 CARBON
4.7K
5%
1/4W
R202
1-247-831-11 CARBON
1K
5%
1/4W
R203
1-247-847-11 CARBON
4.7K
5%
1/4W
R204
1-247-847-11 CARBON
4.7K
5%
1/4W
R701
1-247-847-11 CARBON
4.7K
5%
1/4W
R702
1-249-429-11 CARBON
10K
5%
1/4W
R703
1-249-428-11 CARBON
8.2K
5%
1/4W
R704
1-249-428-11 CARBON
8.2K
5%
1/4W
R705
1-247-879-11 CARBON
100K
5%
1/4W
R706
1-247-847-11 CARBON
4.7K
5%
1/4W
R707
1-249-429-11 CARBON
10K
5%
1/4W
R708
1-249-429-11 CARBON
10K
5%
1/4W
< VARIABLE RESISTOR >
RV701
1-227-365-11 RES, VAR, CARBON 20KX2 (CUT OFF FREQ)
< SWITCH >
S701
1-786-490-11 SWITCH, SLIDE (PHASE)
< TERMINAL BOARD >
TM101
1-537-922-11 TERMINAL BOARD (SPEAKER)
*************************************************************
MAIN BOARD
***********
***********
< CAPACITOR >
C203
1-131-696-11 FILM
0.22uF
5%
50V
C204
1-131-696-11 FILM
0.22uF
5%
50V
C205
1-126-964-11 ELECT
10uF
20%
50V
C206
1-126-964-11 ELECT
10uF
20%
50V
C209
1-128-813-11 CERAMIC
220PF
5%
50V
CONTROL
INPUT CONTROL
MAIN
Ver. 1.2
11
SA-WM250
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
C210
1-126-964-11 ELECT
10uF
20%
50V
C211
1-128-813-11 CERAMIC
220PF
5%
50V
C301
1-128-813-11 CERAMIC
220PF
5%
50V
C302
1-126-964-11 ELECT
10uF
20%
50V
C303
1-104-658-11 ELECT
100uF
20%
10V
C304
1-126-968-11 ELECT
100uF
20%
50V
C305
1-126-968-11 ELECT
100uF
20%
50V
C306
1-126-964-11 ELECT
10uF
20%
50V
C307
1-126-967-11 ELECT
47uF
20%
50V
C308
1-126-964-11 ELECT
10uF
20%
50V
C309
1-136-165-00 FILM
0.1uF
5%
50V
C310
1-136-165-00 FILM
0.1uF
5%
50V
C311
1-162-199-31 CERAMIC
10PF
5%
50V
C312
1-128-813-11 CERAMIC
220PF
5%
50V
C313
1-128-813-11 CERAMIC
220PF
5%
50V
C314
1-128-813-11 CERAMIC
220PF
5%
50V
C316
1-128-813-11 CERAMIC
220PF
5%
50V
C317
1-128-813-11 CERAMIC
220PF
5%
50V
C318
1-128-813-11 CERAMIC
220PF
5%
50V
C401
1-136-165-00 FILM
0.1uF
5%
50V
C402
1-136-165-00 FILM
0.1uF
5%
50V
C403
1-104-482-11 ELECT
4700uF
20%
63V
C404
1-104-482-11 ELECT
4700uF
20%
63V
C405
1-126-968-11 ELECT
100uF
20%
50V
C406
1-126-968-11 ELECT
100uF
20%
50V
C407
1-126-971-11 ELECT
470uF
20%
50V
C408
1-126-971-11 ELECT
470uF
20%
50V
C409
1-136-165-00 FILM
0.1uF
5%
50V
C410
1-136-165-00 FILM
0.1uF
5%
50V
C411
1-128-813-11 CERAMIC
220PF
5%
50V
C412
1-128-813-11 CERAMIC
220PF
5%
50V
C501
1-126-964-11 ELECT
10uF
20%
50V
C502
1-126-949-11 ELECT
220uF
20%
35V
C503
1-126-923-11 ELECT
220uF
20%
10V
C601
1-126-964-11 ELECT
10uF
20%
50V
< CONNECTOR >
CN201
1-784-931-11 PIN, CONNECTOR 5P
CN202
1-779-179-11 CONNECTOR (B5B-XH-A) 5P
* CN204
1-564-704-11 PIN, CONNECTOR (SMALL TYPE) 2P
CN301
1-564-320-00 PIN, CONNECTOR (3.96mm PITCH) 2P
CN402
1-785-104-11 PIN, CONNECTOR (3.96mm PITCH) 6P
CNP111 1-691-765-11 PLUG (MICRO CONNECTOR) 3P
< DIODE >
D205
8-719-110-31 DIODE RD12ESB2
D206
8-719-110-31 DIODE RD12ESB2
D301
8-719-991-33 DIODE 1SS133T-77
D302
8-719-991-33 DIODE 1SS133T-77
D304
8-719-991-33 DIODE 1SS133T-77
D401
8-719-302-38 DIODE RBV-602-01 (SP,MY,TH)
D401
8-719-510-68 DIODE D5SBA204101
(US,CND,AEP,UK,TW,KR)
D402
6-500-522-11 DIODE 10EDB40-TA2B5
D403
6-500-522-11 DIODE 10EDB40-TA2B5
D501
8-719-991-33 DIODE 1SS133T-77
D502
8-719-991-33 DIODE 1SS133T-77
D602
8-719-991-33 DIODE 1SS133T-77
< GROUND TERMINAL >
G1
1-537-738-21 TERMINAL, GROUND
G2
1-537-738-21 TERMINAL, GROUND
< IC >
IC202
8-759-636-74 IC M5218AP-22
IC203
8-759-636-74 IC M5218AP-22
IC301
6-600-091-01 IC STK404-130S
< TRANSISTOR >
Q501
8-729-119-78 TRANSISTOR 2SC2785-HFE
Q502
8-729-178-42 TRANSISTOR 2SC2784-F
Q503
8-729-119-78 TRANSISTOR 2SC2785-HFE
Q504
8-729-029-86 TRANSISTOR DTC124ESA
Q505
8-729-119-78 TRANSISTOR 2SC2785-HFE
< RESISTOR >
R207
1-249-429-11 CARBON
10K
5%
1/4W
R208
1-249-426-11 CARBON
5.6K
5%
1/4W
R210
1-247-871-11 CARBON
47K
5%
1/4W
R211
1-247-863-11 CARBON
22K
5%
1/4W
R215
1-249-429-11 CARBON
10K
5%
1/4W
R217
1-247-879-11 CARBON
100K
5%
1/4W
R301
1-247-847-11 CARBON
4.7K
5%
1/4W
R302
1-247-871-11 CARBON
47K
5%
1/4W
R303
1-249-413-11 CARBON
470
5%
1/4W
0 R304
1-215-886-11 METAL OXIDE
100
5%
2W
F
R305
1-247-871-11 CARBON
47K
5%
1/4W
R306
1-247-847-11 CARBON
4.7K
5%
1/4W
R307
1-247-847-11 CARBON
4.7K
5%
1/4W
0 R308
1-234-182-11 ENCAPSULATED COMPONENT 0.22X2 5W
R309
1-249-409-11 CARBON
220
5%
1/4W
R310
1-249-393-11 CARBON
10
5%
1/4W
R311
1-215-868-00 METAL OXIDE
680
5%
1W
R312
1-247-863-11 CARBON
22K
5%
1/4W
R313
1-249-429-11 CARBON
10K
5%
1/4W
0 R314
1-217-637-00 FUSIBLE
1
5%
1/4W
F
R315
1-247-871-11 CARBON
47K
5%
1/4W
R317
1-249-393-11 CARBON
10
5%
1/4W
0 R401
1-215-891-11 METAL OXIDE
680
5%
2W
F
0 R402
1-215-891-11 METAL OXIDE
680
5%
2W
F
0 R403
1-219-153-11 FUSIBLE
10
5%
1/4W
F
0 R404
1-219-153-11 FUSIBLE
10
5%
1/4W
F
R500
1-249-421-11 CARBON
2.2K
5%
1/4W
R501
1-249-429-11 CARBON
10K
5%
1/4W
R502
1-247-871-11 CARBON
47K
5%
1/4W
R503
1-247-879-11 CARBON
100K
5%
1/4W
R504
1-247-879-11 CARBON
100K
5%
1/4W
R505
1-247-863-11 CARBON
22K
5%
1/4W
R506
1-247-863-11 CARBON
22K
5%
1/4W
R507
1-247-847-11 CARBON
4.7K
5%
1/4W
R508
1-247-831-11 CARBON
1K
5%
1/4W
0 R601
1-215-920-11 METAL OXIDE
3.3K
5%
3W
F
< RELAY >
RY301
1-515-920-11 RELAY (24V)
*************************************************************
MAIN
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ver. 1.2
12
SA-WM250
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
POWER TRANS BOARD
*******************
*******************
1-533-217-41 HOLDER, FUSE
< CAPACITOR >
0 C2
1-113-924-11 CERAMIC
0.0047uF 20%
250V
< CONNECTOR >
CN1
1-564-321-00 PIN, CONNECTOR (3.96mm PITCH) 2P
* CN2
1-580-230-11 PIN, CONNECTOR (PC BOARD) 2P
*************************************************************
SWITCH BOARD
*************
*************
< CAPACITOR >
0 C901
1-113-924-11 CERAMIC
0.0047uF 20%
250V
< CONNECTOR >
* CN3
1-695-044-11 PIN, CONNECTOR (3.96mm PITCH) 2P
CN901
1-564-718-11 PIN, CONNECTOR (SMALL TYPE) 2P
< DIODE >
0 D901
6-500-991-01 LED TLPGE62T(SONY-M.F) (POWER)
< SWITCH >
0 S901
1-554-920-11 SWITCH, PUSH (AC POWER) (1 KEY) (POWER)
*************************************************************
MISCELLANEOUS
***************
***************
0 6
1-769-079-23 CORD, POWER (KR)
0 6
1-777-071-23 CORD, POWER (AEP,UK,SP,MY,TH)
0 6
1-783-820-11 CORD, POWER (US,CND)
0 6
1-827-597-41 CORD, POWER (TW)
0 F901
1-532-463-33 FUSE (T1AL/250V) (AEP,UK,SP,MY,TH,KR)
0 F901
1-532-464-33 FUSE (2.5A/250V) (TW)
0 F901
1-533-418-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)
(US,CND)
SP901
1-825-845-11 LOUDSPEAKER (20cm) (WOOFER)
0 T901
1-439-624-12 TRANSFORMER, POWER
(AEP,UK,SP,MY,TH,KR)
0 T901
1-439-625-12 TRANSFORMER, POWER (US,CND,TW)
*************************************************************
ACCESSORIES
************
************
1-769-329-21 CORD, CONNECTION (PIN-PIN) (AUDIO)
1-769-433-23 CORD, SPEAKER (2.5m)
1-769-433-23 CORD, SPEAKER (2.5m)
0
1-770-019-61 ADAPTOR, CONVERSION PLUG 3P (UK)
2-691-023-11 MANUAL, INSTRUCTION (KOREAN) (KR)
4-235-237-01 FOOT (US,CND,AEP,UK,TW,KR)
2-691-023-11 MANUAL, INSTRUCTION (KOREAN) (KR)
4-235-237-01 FOOT (US,CND,AEP,UK,TW,KR)
4-252-451-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
SPANISH) (US,CND)
4-252-451-21 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
GERMAN,ITALIAN)
(AEP,UK)
4-252-451-31 MANUAL, INSTRUCTION (DUTCH,SPANISH,
SWEDISH,POLISH)
(AEP)
4-252-451-41 MANUAL, INSTRUCTION (PORTUGUESE,
DANISH,FINNISH) (AEP)
4-252-451-51 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
SPANISH,TRADITIONAL CHINESE)
(SP,MY,TW,TH)
4-981-864-01 FOOT (MY,SP,TH)
POWER TRANS
SWITCH
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ver. 1.2