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Model
SA-WZ8
Pages
11
Size
678.82 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sa-wz8.pdf
Date
PREV: Sony HS-RM536 / HS-RM539 (serv.man2) Service Manual

Sony SA-WZ8 Service Manual ▷ View online

5
5
SA-WZ8
2-2. PRINTED WIRING BOARDS  –POWER Section–
   
 • See page 3 for Notes.          • See page 3 for Circuit Boards Location.
S501
        
R501
R502
C501
JW501
JW502
F501
E,SP
AUS
F502
F503
NO501
CN501
CN502
C502
POWER TRANS BOARD  
11
(11)
1-687-522-
11
(11)
1-687-519-
POWER SWITCH BOARD  
1
1
AC IN
T501
POWER TRANSFORMER
230-240V      110-120V
t
VOLTAGE SELECTOR
1
6
A
MAIN
BOARD
(Page 4)
S701
C701
CN701
1
POWER
AUS
2
3
4
5
6
7
8
A
1
B
C
D
E
6
6
SA-WZ8
2-3. SCHEMATIC DIAGRAM
   
 • See page 3 for Notes.
T501
F501
R501
F502
F503
C501
CN501
C502
CN502
CN701
S701
D603
C612
R616
Q601
R615
R614
C613
R613
R619
R618
R617
C614
R611
C608
JW613
R610
C607
R638
R608
C606
C605
R607
R621
CN601
CN201
R201
JW611
R604
R605
R603
C623
R631
R630
C604
C603
D601
C602
R601
C601
R602
D602
R600
CN602
NO603
J201
R300
C313
C322
R303
C303
R301
R304
C307
C306
C304
R302
C310
C344
R308
R318
R354
R334
C334
R306
D303
R333
R330
C403
R406
Q404
Q403
R404
Q402
R403
C402
R405
C401
D401
R402
R401
R400
BC401
RY400
CN801
NO501
C311
C354
C384
Q802
Q801
C809
C810
D822
D821
R803
C807
C808
R804
C806
C805
R805
R806
C811
C812
D802
D803
D801
D804
C804
C803
D805
R801
R802
C801
C802
EP801
C701
D400
C611
Q401
RV202
R606
R609
R502
S201
D201
IC601(2/2)
IC601(1/2)
IC603(1/2)
IC602(2/2)
IC603(2/2)
C615
IC602(1/2)
C610
C609
IC301
S501
D604
R312
Q302
MAIN TRANS
2.5A
250V
10
1/4W
4A
250A
4A
250V
0.01
2P
0.01
B2P3-VH
B2P3-VH
1SS133T
1
50V
1M
2SK246
4.7k
4.7k
2.2
50V
4.7k
10k
47k
470k
0.01
50V
4.7k
0.068
470k
2.2
50V
220k
470k
0.1
0.1
4.7k
2.2k
560
10k
10k
470k
220
16V
3.3k
5.6k
2.2
50V
220
16V
1SS133T
2.2
50V
1k
1000p
50V
470k
1SS133T
10k
1k
2.2
50V
470p
56k
220p
1
1/4W
1.8k
100
25V
100
100V
10
63V
22k
10
100V
47
100V
8.2k
8.2k
10
1/2W
56k
3p
100
1/4W
1SS133T
4.7k
1.5k
220
10V
22k
DTC124ES
2SC2785
100k
2SC2784
100k
330
35V
22k
2.2
50V
1SS133T
56k
12k
1.8k
2W
B2P-VH
10
100V
0.1
0.1
2SA1015
2SC1815
10
50V
10
50V
MTZJ-T-72-12B
MTZJ-T-72-12B
2.2k
10
50V
10
50V
2.2k
220
25V
220
25V
100k
100k
0.1
0.1
11ES2N
11ES2N
11ES2N
11ES2N
0.1
100V
0.1
100V
RBV602
100k
1/4W
5%
100k
1/4W
5%
3300
100V
20%
3300
100V
20%
0.01
1SS133T
2.2
50V
2SC2785
20k
10k
10k
10
1/4W
SEL5423E
NJM4558D
NJM4558D
NJM4558D
NJM4558D
NJM4558D
2.2
50V
NJM4558D
2.2
50V
0.47
STK-404-140S
POWER AMP
MTZJ-5.6B
0.22X2
5W
2SC2785
PROTECTOR
POWER
LEVEL
INPUT
POWER
VOLTAGE SELECTOR
220-240V
110-120V
SPEAKER
SP1
1
2
3
4
5
6
7
8
1
2
3
4
1
2
3
4
5
6
7
8
5
6
7
8
PHASE
REVERSE
NORMAL
AUS
E,SP
AC IN
7
SA-WZ8
SECTION 3
EXPLODED VIEWS
NOTE :
• -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.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
• Accessories are given in the last of the electri-
cal parts list.
3-1. FRONT SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
• Abbreviation
AUS
: Australian model
SP
: Singapore model
1
A-4736-890-A FRAME ASSY, GRILLE
2
4-912-253-51 CATCHER
3
4-245-567-01 FRONT PANEL
4
4-999-482-61 KNOB (VOL)
5
1-687-519-11 POWER SWITCH BOARD
6
4-244-832-11 KNOB (POWER)
SP1
Rear section
not supplied
not 
supplied
not supplied
not supplied
#1
#1
#1
#1
#1
#1
6
6
7
9
9
3
2
2
1
8
5
4
7
1-688-166-11 WD PANEL BOARD
8
4-245-566-01 INDICATOR POWER
9
4-874-614-21 SCREW (1) (3.5X14), TAPPING
SP1
1-544-986-12 SPEAKER (20cm)
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
The components identified by
mark 
!  or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
8
SA-WZ8
51
4-235-677-01 SCREW (4X20) (TYPE1), +BVTP
52
A-4732-602-A MAIN BOARD, COMPLETE
53
1-687-521-11 INPUT BOARD
54
1-687-522-11 POWER TRANS BOARD
0 55
1-696-847-11 CORD, POWER (AUS)
0 55
1-777-071-53 CORD, POWER (SP)
0 55
1-791-901-12 CORD, POWER (E)
*
56
3-703-244-00 BUSHING (2104), CORD (AUS,SP)
56
3-703-571-11 BUSHING (S) (4516), CORD (E)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
0 F501
1-533-469-11 FUSE, GLASS TUBE (DIA. 5) (2.5A/250V) (E,SP)
0 F502
1-533-471-11 FUSE, GLASS TUBE (DIA. 5) (4A/250V)
0 F503
1-533-471-11 FUSE, GLASS TUBE (DIA. 5) (4A/250V)
0 T501
1-439-638-11 POWER TRANSFORMER
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#2
7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
#3
7-685-881-09 SCREW +BVTT 4X8 (S)
3-2. REAR SECTION
51
51
51
51
51
51
52
53
#2
#1
#1
#3
#3
F503
T501
#1
#1
#1
not supplied
not supplied
not supplied
not supplied
F501
F502
51
51
56
55
54
The components identified by
mark 
!  or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
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