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Model
SA-WM500
Pages
10
Size
609.04 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sa-wm500.pdf
Date
PREV: Sony ICF-CD73 / ICF-CD73V (serv.man2) Service Manual

Sony SA-WM500 Service Manual ▷ View online

5
5
SA-WM500
2-2. PRINTED WIRING BOARDS
z
 See page 4 for Notes.
     z
 See page 4 for Circuit Boards Location.
        
IC502
R521
        
RY400
 
C532
        
JW
031
 
C521
JW030
JW
029
BC903
C901
D901
CN905
RY901
D302
D302
R302
R301
R303
BC301
S301
BC302
BC802
R802
JW001
C805
JW002
JW
003
JW004
C802
C801
C811
C812
R801
C806
D803
D801
D804
D802
C809
D821
D822
G1
C807
R803
C803
JW006
R804
Q801
C808
S531
S531
Q802
JW008
JW007
C810
JW009
JW010
JW011
TM501
JW012
CN803
JW
020
R406
JW016
JW017
JW018
R511
R503
R506
R510
R509
R504
C403
R502
C401
Q403
Q401
Q404
R403
R402
R501
C503
R505
JW045
C531
R405
R404
R534
R535
Q532
JW54
D532
R533
R532
Q531
D531
R531
IC503
R537
Q533
R539
R538
C402
JW032
D503
D504
D502
D501
C501
C522
R522
D506
D505
JW
028
R527
C502
R512
R508
R507
J501
CN501
R528
JW
027
R523
R520
C520
R526
R525
C523
C524
IC501
JW024
Q402
R536
R524
JW026
BC401
JW015
R400
JW013
JW014
D400
R800
D401
R401
C804
Q301
Q302
D301
BC502
JW019
C301
JW005
BC901
BC902
F11
F12
JW053
JW052
JW051
C902
D805
JW047
JW
063
C525
 
IC701
          
C709
C702
C711
R703
C703
JW
036
JW
035
C701
C708
BC701
C712
C704
R704
R713
R705
JW
049
R708
R714
D702
D701
C706
JW
034
R707
C710
R710
D703
R711
Q701
R709
C705
E
R702
R701
C707
JW
048
R712
JW
033
R706
BC801
+
+
-
-
+
+
-
-
OUT
SPEAKER
IN
L
R
OUT
LINE
IN
POWER SAVE
AUTO
OFF
t
SP401
SPEAKER
IC601
 
JW
037
C604
C605
S601
RV601
RV602
R605
R606
R607
R601
R602
R604
R603
C606
C601
R609
C602
IC602
JW
038
C608
BC601
C607
R611
R612
C603
JW
039
R608
R610
JW040
LEVE
PHASE
CUT OFF FREQ
NORMAL      REVERSE
t
1
4
5
8
1
4
5
8
1
4
5
8
1
4
5
8
1
4
5
8
T202
SUB
TRANSFORMER
T101
MAIN
TRANSFORMER
AC IN
1
1
4
1
4
5
1
1
5
5
1
12
1
12
MAIN BOARD  
LED BOARD  
POWER AMP BOARD  
CONTROL BOARD  
POWER SWITCH BOARD  
POWER SUPPLY BOARD  
1
5
E
E
E
E
E
E
E
E
E
POWER
POWER
E
E
11
(11)
1-686-989-
11
(11)
1-686-991-
11
(11)
1-686-987-
11
(11)
1-686-988-
11
(11)
1-686-992-
11
(11)
1-686-990-
1
13
10
2
3
4
5
6
7
8
9
10
11
12
A
1
B
C
D
E
F
G
H
I
Ref. No.
Location
z
 Semiconductor
   Location
D301
A-3
D302
B-2
D400
D-4
D401
B-3
D501
H-5
D502
H-5
D503
H-5
D504
H-5
D505
H-5
D506
H-5
D531
F-3
D532
G-3
D701
B-10
D702
B-10
D703
C-11
D801
B-5
D802
B-5
D803
B-5
D804
B-5
D805
B-3
D821
C-5
D822
C-5
D901
E-8
IC501
H-3
IC502
H-4
IC503
G-3
IC601
I-9
IC602
I-8
IC701
B-9
Q301
A-3
Q302
A-3
Q401
F-4
Q402
G-4
Q403
F-4
Q404
F-4
Q531
F-3
Q532
G-4
Q533
G-3
Q701
B-11
Q801
C-5
Q802
D-5
Ver. 1.3
6
6
SA-WM500
2-3. SCHEMATIC DIAGRAM
z
 See page 4 for Notes.
BC401
R400
D400
RY400
D401
R401
R402
R403
Q401
C401
C402
R405
Q403
C403
R406
R404
C809
C810
D821
D822
Q801
Q802
R803
C807
C808
R804
C806
D801
D802
C805
D804
D803
R802
C812
R801
C811
C804
C803
Q404
R800
C802
C801
D805
BC801
CN904
D901
RY901
C902
BC902
BC302
T101
T202
C901
BC901
S301
C301
D302
R303
R301
R302
BC301
BC502
D301
Q302
Q301
R539
R538
IC503(1/2)
Q532
R535
R532
D532
R533
R534
R536
C532
S531
C531
D531
R531
IC503(2/2)
R612
C608
RV602
C607
IC602(1/2)
R611
R609
R608
R610
C605
R607
C606
IC601(2/2)
R606
R605
C603
C604
IC601(1/2)
C602
C601
R601
R602
R603
BC601
CN501
R604
R537
CN803
BC701
IC501(1/2)
R522
R521
IC501(2/2)
C522
R523
C523
C524
R524
R525
R527
R526
D506
C501
R512
C502
R508
R507
R509
J501
R510
R511
C503
R504
R506
R503
C521
R520
C520
D502
D504
D505
D501
D503
R501
R502
R505
TM501
IC701
C705
R708
C710
D702
D701
D703
R711
R710
R709
C707
C709
C708
R706
R712
C711
R713
C712
C706
R705
R704
C704
C703
R703
R702
R701
C701
C702
IC502(1/2)
Q402
Q531
Q533
IC602(2/2)
CN905
BC802
R707
IC502(2/2)
BC903
RV601
S601
Q701
F901
R528
R714
SP401
B2P-VH
1k
1W
1SS133T
24V
SPK RLY
1SS133T
12k
56k
100k
2SC2785
2.2
35V
330
35V
22k
2SC2785
220
10V
22k
100k
10
35V
10
35V
MTZJ-T-72-12B
MTZJ-T-72-12B
2SC1815
2SA1015
2.2k
10
50V
10
50V
2.2k
220
25V
11ES2
11ES2
220
25V
11ES2
11ES2
10
1/4W
0.1
10
1/4W
0.1
0.1
0.1
DTC124ES
56k
10000
71V
10000
71V
RBV602
B3B-XH-A
B3B-XH-A
1SS133T
24V
POWER RLY
0.01
2P
2P
MAIN TRANSFORMER
SUB TRANSFORMER
0.01
B2P3-VH
0.01
SPR-325MVW
2.2k
1k
2.2k
B4B-EH
B3(4)B-EH
1SS133T
BNIF4M
BNIF4M
22k
1M
BA15218
2SA1175F
10k
150k
1SS133T
1M
100k
10k
330
16V
22
25V
1SS133T
470k
BA15218
100k
4.7
50V
10k
22
50V
BA15218
10k
10k
10k
4.7k
0.1
220k
22
50V
BA15218
4.7k
4.7k
4.7
50V
0.1
BA15218
0.1
0.1
10k
100k
120k
B5B-EH
B5B-EH
100k
100k
B12B-XH-A
B12B-XH-A
BA15218
10k
4.7k
BA15218
10
35V
15k
0.01
0.01
22k
33k
4.7k
10k
1SS133T
10
35V
100k
220p
1k
1k
4.7k
4.7k
4.7k
220p
33k
4.7k
1/2W
33k
220p
4.7k
220p
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
33k
33k
4.7k
1/2W
TERMINAL BOARD
STK404-140
2.2
50V
56k
470p
1SS133T
1SS133T
1SS133T
4.7k
1k
22k
100
100V
100
25V
10
100V
100
1W
1
1/4W
10
100V
4.7
1W
0.1
220
25V
680
56k
3p
47
100V
8.2k
8.2k
0.22*2
220p
220p
BA15218
2SC2784
DTC124ES
DTC124ES
BA15218
B5(6)H-EH
B5(6)B-EH
1k
BA15218
20k
2SC2785
PROTECTOR
680
33
SPEAKER
*
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
7
8
5
6
7
8
5
6
7
8
5
6
7
8
5
6
7
8
5
6
POWER
POWER
US,CND
AEP,MY,SP,UK,AUS,TH
*F901
4A/125V
2.5A/250V
TW
3.15A/250V
Ver. 1.3
SA-WM500
7
SECTION 3
EXPLODED VIEWS
NOTE :
• -XX,  -X mean standardized parts, so they
may have some difference from the original
one.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) …  (RED)
↑
↑
Parts color  Cabinet's color
• 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 packing
materials are given in the last of this parts list.
•   Abbreviation
CND
: Canadian model
MY
: Malaysia model
SP
: Singapore model
AUS
: Australian model
TW
: Taiwan model
TH
: Thai model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
3-1. MAIN SECTION
4
8
9
12
10
16
1
1
1
1
11
2
15
5
3
14
14
14
14
#2
#2
#2
#2
#2
#1
#2
#2
#2
#2
#3
#4
#4
#4
not supplied
not supplied
not 
supplied
not 
supplied
F901
T202
SP401
not 
supplied
not 
supplied
not 
supplied
not 
supplied
T101
not supplied
not supplied
15
7
6
6
1
1
1
The components identified by
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.
1
4-235-677-01 SCREW (4X20) (TYPE1), +BVTP
2
A-4736-352-A GRILLE (FRAME) ASSY (BLACK)
2
A-4736-564-A GRILLE (FRAME) ASSY (WOOD)
3
A-1186-852-A SPEAKER (CABINET) ASSY (WOOD/MI)
(MY,SP,TH)
3
A-4736-349-A SPEAKER (CABINET) ASSY (BLACK)
3
A-4736-563-A SPEAKER (CABINET) ASSY (WOOD/M)
4
A-4731-771-A MAIN BOARD, COMPLETE
5
A-4731-772-A CONTROL BOARD, COMPLETE
6
4-229-774-01 SCREW, TAPPING, HEXAGON SOCKET
7
4-235-903-01 SCREW (3.5X20)
8
4-228-148-21 COVER, REAR (EXCEPT US,CND)
8
4-228-148-31 COVER, REAR (US,CND)
9
4-250-465-01 KNOB (VOL)
10
4-228-141-01 DUCT (A)
*
11
3-703-244-00 BUSHING (2104), CORD
0 12
1-696-874-11 CORD, POWER (AUS)
0 12
1-777-071-13 CORD, POWER (AEP,MY,SP,UK,TH)
0 12
1-783-532-11 CORD, POWER (CND,US)
0 12
1-783-820-11 CORD, POWER (TW)
14
4-874-614-21 SCREW
15
4-235-677-01 SCREW +BVTP 4X20 (TYPE1)
*
16
3-703-044-26 LABEL, CAUTION (US,CND)
0 F901
1-532-464-31 FUSE (T2.5AL/250V) (AEP,MY,SP,UK,AUS,TH)
0 F901
1-532-465-31 FUSE (T3.15AL/250V) (TW)
0 F901
1-532-746-11 FUSE, GLASS TUBE (4A/125V) (US,CND)
SP401
1-825-344-11 SPEAKER (30cm)
0 T101
1-439-749-11 POWER TRANSFORMER (AEP,SP,MY,UK,AUS,TH)
0 T101
1-439-750-11 POWER TRANSFORMER (US,CND)
0 T101
1-443-026-11 POWER TRANSFORMER (TW)
0 T202
1-439-706-11 SUB POWER TRANSFORMER (US,CND)
0 T202
1-439-707-11 SUB POWER TRANSFORMER
(AEP,SP,MY,UK,AUS,TH)
0 T202
1-443-027-11 SUB POWER TRANSFORMER (TW)
#1
7-685-881-09 SCREW +BVTT 4X8 (S)
#2
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#3
7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
#4
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
Ver. 1.3
HOW TO DISTINGUISH CABINET COLOR (WOOD/MI or WOOD/M)
There are WOOD/M and WOOD/MI in the cabinet color for SP, MY and TH
model.
Only the serial number of WOOD/MI is shown.
SP, MY (WOOD/MI): Since 3400958
TH (WOOD/MI): Since 4400001
8
SA-WM500
SECTION 4
ELECTRICAL PARTS LIST
MAIN
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.
• -XX,  -X mean standardized parts, so they
may have some difference from the original
one.
• RESISTORS
All resistors are in ohms
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.
• 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
When indicating parts by reference num-
ber, please include the board.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
•   Abbreviation
CND : Canadian model
MY : Malaysia model
SP
: Singapore model
AUS : Australian model
TW
: Taiwan model
TH
: Thai model
The components identified by
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.
CONTROL
A-4731-772-A CONTROL BOARD, COMPLETE
**********************
< CONNECTOR >
*
BC601
1-564-508-11 PLUG, CONNECTOR 5P
< CAPACITOR >
C601
1-130-495-00 MYLAR
0.1uF
5%
50V
C602
1-130-495-00 MYLAR
0.1uF
5%
50V
C603
1-126-963-11 ELECT
4.7uF
20%
50V
C604
1-130-495-00 MYLAR
0.1uF
5%
50V
C605
1-130-495-00 MYLAR
0.1uF
5%
50V
C606
1-126-965-91 ELECT
22uF
20%
50V
C607
1-126-965-91 ELECT
22uF
20%
50V
C608
1-126-963-11 ELECT
4.7uF
20%
50V
< IC >
IC601
8-759-943-94 IC   BA15218
IC602
8-759-943-94 IC   BA15218
< RESISTOR >
R601
1-249-429-11 CARBON
10K
5%
1/4W
R602
1-249-441-11 CARBON
100K
5%
1/4W
R603
1-247-881-00 CARBON
120K
5%
1/4W
R604
1-249-441-11 CARBON
100K
5%
1/4W
R605
1-249-425-11 CARBON
4.7K
5%
1/4W F
R606
1-249-425-11 CARBON
4.7K
5%
1/4W F
R607
1-247-887-00 CARBON
220K
5%
1/4W
R608
1-249-429-11 CARBON
10K
5%
1/4W
R609
1-249-429-11 CARBON
10K
5%
1/4W
R610
1-249-425-11 CARBON
4.7K
5%
1/4W F
R611
1-249-429-11 CARBON
10K
5%
1/4W
R612
1-249-441-11 CARBON
100K
5%
1/4W
< VARIABLE RESISTOR >
RV601
1-227-572-11 RES,VAR
20K (CUTOFF FREQ)
RV602
1-227-573-11 RES,VAR
10K (LEVEL)
< SWITCH >
S601
1-786-490-11 SWITCH, SLIDE (PHASE)
*****************************************************
LED BOARD
*********
< CONNECTOR >
*
BC301
1-564-519-11 PLUG, CONNECTOR 4P
< DIODE >
*
D302
8-719-064-11 DIODE   SPR-325MVW (POWER)
< RESISTOR >
R301
1-249-417-11 CARBON
1K
5%
1/4W F
R302
1-249-421-11 CARBON
2.2K
5%
1/4W F
R303
1-249-421-11 CARBON
2.2K
5%
1/4W F
*****************************************************
A-4731-771-A MAIN BOARD, COMPLETE
*******************
< CAPACITOR >
BC401
1-564-320-00 PIN, CONNECTOR(3.96mm PITCH)2P
*
BC801
1-564-104-00 PIN, CONNECTOR(3.96mm PITCH)3P
BC802
1-691-767-11 PLUG (MICRO CONNECTOR) 5P
< CAPACITOR >
C401
1-124-257-00 ELECT
2.2uF
20%
50V
C402
1-126-950-11 ELECT
330uF
20%
35V
C403
1-126-934-11 ELECT
220uF
20%
10V
C501
1-124-247-91 ELECT
10uF
20%
35V
C502
1-102-978-00 CERAMIC
220PF
5%
50V
C503
1-102-978-00 CERAMIC
220PF
5%
50V
C520
1-102-978-00 CERAMIC
220PF
5%
50V
C521
1-102-978-00 CERAMIC
220PF
5%
50V
C522
1-124-247-91 ELECT
10uF
20%
35V
C523
1-130-483-00 MYLAR
0.01uF
5%
50V
C524
1-130-483-00 MYLAR
0.01uF
5%
50V
C531
1-128-551-11 ELECT
22uF
20%
25V
C532
1-104-661-91 ELECT
330uF
20%
16V
C801
1-109-932-13 ELECT(BLOCK)
10000uF
20%
71V
C802
1-109-932-13 ELECT(BLOCK)
10000uF
20%
71V
C803
1-130-777-00 MYLAR
0.1uF
10%
100V
C804
1-130-777-00 MYLAR
0.1uF
10%
100V
C805
1-104-666-11 ELECT
220uF
20%
25V
C806
1-104-666-11 ELECT
220uF
20%
25V
C807
1-126-964-11 ELECT
10uF
20%
50V
C808
1-126-964-11 ELECT
10uF
20%
50V
C809
1-124-247-91 ELECT
10uF
20%
35V
C810
1-124-247-91 ELECT
10uF
20%
35V
LED
Ver. 1.3
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