SA-CRW33, SA-W33, SS-CN33, SS-F33H, SS-SR33 - Sony Audio Service Manual (repair manual). Page 11

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SA-CRW33/P33H/W33/SS-CN33/F33H/SR33
SA-CRW33/P33H/W33/SS-CN33/F33H/SR33
11
11
2-2.  SCHEMATIC  DIAGRAM - MAIN/LED Boards (SA-W33) -
• See page 9 for IC Block Diagram.
A
CN103
BOARD
CONTROL
BOARD
CONTROL
B
CN901
C
TRANSFORMER
PT1
POWER
MAIN
IC B/D
51.5
-51.6
51
1.3
0.6
0.1
-51.6
0.1
0.6
0.5
-0.8
-0.4
-0.8
1.1
51.6
51
1.1
1.1
52.4
0.1
-0.8
0.1
-52.4
-52.2
-51.6
-51.6
-52.2
-51.6
-51.6
-52.2
-51.6
-0.8
51.9
0.1
0
0
52.4
52.4
3.3
0
2.1
0.8
0
0
2
14.1
14.8
21.2
-14
-14.6
-22
0.1
7.9
7.8
8
7.2
7.8
0.2
0.7
0.7
0.1
8
7
6
5
4
3
2
1
uPC1237C-A
IC500
OVER_LOAD
DC_DET
RESET
AC_OFF
GND
RY_DRIVER
AC_OFF
VCC
22k
R513
22k
R709
50V
47
C509
50V
47
C510
50V
47
C710
100k
R512
50V
47
C505
10k
R516
10k
R514
10k
R515
10k
R708
22k
R509
0.022
C513
0.022
C507
10V
100
C506
50V
10
C508
150k
R510
10k
R500
D6SBN20-7003
D801
100V
0.1
C801
100V
0.1
C802
2
3
4
5
6
7
7P
CNP801
NC
1
R1_COIL_AC
R1_COIL_GND
R1_COIL_AC
R2_COIL_AC
R2_COIL_GND
R2_COIL_AC
1SR154-400TE-25
D802
1SR154-400TE-25
D803
1SR154-400TE-25
D804
1SR154-400TE-25
D805
1SR154-400TE-25
D601
1SR154-400TE-25
D602
1SR154-400TE-25
D603
1SR154-400TE-25
D604
35V
1000
C807
35V
1000
C808
1
3
4
8
6
T902
16V
2200
C602
1k
R701
2.2k
R725
2.2k
R726
220p
C701
220p
C707
100V
10
C702
330
R705
330
R707
2SA1145-O
Q704
2SC2705-O
Q707
47k
R703
150
R710
10
R711
100V
22
C704
100V
22
C709
10
R716
47
R715
100V
100p
C708
10p
C706
560
R717
47k
R718
2.2k
R719
100
R720
100
R721
1
2
3
MN2488-OPY-MK
Q709
1
2
3
MP1620-OPY-MK
Q708
0.22
R722
5W
12k
R724
4.7k
R723
220p
C714
150k
R506
E
EP1
10
R511
47k
R431
4.7k
R430
100k
R423
10V
100
C430
100k
R414
2SB733-T-34
Q302
1k
R424
2.2k
R301
220p
C303
47k
R416
UDZSUSTE-1715B
D302
2SA1115TP-EF
Q408
220p
C306
47k
R415
2SD773-T-34
Q301
1.8k
R421
1k
R420
1
2
3
3P
CNP402
RED_LED
AC_DETECT
GREEN_LED
16V
220
C301
470
R418
16V
220
C302
2SA1115TP-EF
Q406
UDZSUSTE-1715B
D301
47k
R422
2.2k
R302
33k
R712
MA2J1110GLS0
D701
MA2J1110GLS0
D702
MA2J1110GLS0
D706
MA2J1110GLS0
D705
MA2J1110GLS0
D504
MA2J1110GLS0
D505
MA2J1110GLS0
D503
MA2J1110GLS0
D704
MA2J1110GLS0
D703
MA2J1110GLS0
D406
0.022
C511
10
R508
MA2J1110GLS0
D502
220p
C504
RY501
1
2
2P
CNP501
SPK_OUT_+VE
SPK_OUT_-VE
1
2
3
4
5
6
7
8
9
10
11
12
12P
CNP602
PRE_AMP_OUT
NC
GND
GND
+14V
-14V
+V_STANDBY
GND
GND
POWER_RY_CTRL
LED_SW-CTRL
LED_SW-CTRL
220
R714
220
R713
50V
47
C307
50V
47
C308
2SD2144S-TP-W
Q711
2200p
C705
180
R706
CL001
16V
220
C703
1k
R704
63V
4700
C813
63V
4700
C814
2SA1163L-TE85L
Q701
2SA1163L-TE85L
Q703
2SA1163L-TE85L
Q702
2SC3052EF-T1-LEF
Q705
2SC3052EF-T1-LEF
Q706
2SC2713G-TE85L
Q405
2SA1115TP-EF
Q710
2SC2713G-TE85L
Q430
0.1
C601
0.1
C305
0.1
C805
0.1
C806
0.1
C304
250V
800mA
F801
250V
800mA
F802
JL301
JL302
JL303
JL304
JL305
JL306
JL307
JL308
JL309
47
R702
500V
47p
C711
500V
47p
C712
500V
47p
C713
JL801
JL802
JL803
JL804
JL805
JL806
JL601
JL603
JL701
JL702
JL703
JL704
JL705
JL706
JL502
JL501
2SC2705-O
Q731
2SA1163L-TE85L
Q505
1/2W
220
R507
1
2
3
3P
CNP907
NC
0V
120V_230V
0.1
C409
10k
R419
0.1
C410
1
2
3
4
4P
CNP401
GREEN_LED
AC_DETECT (NC)
AC_DETECT
RED_LED
SPR-325MVW
D202
MAIN BOARD
IC500
PROTECTOR
(CHASSIS)
Q701,  702
PRE DRIVE
Q703, 704
CURRENT REGULATOR
Q705 - 707
CURRENT MIRROR
Q710, 711
BIAS
B
C
E
C
B
E
Q708, 709
BOOSTER
Q505, 731
CURRENT
DETECT
SUB POWER
TRANSFORMER
+14V REGULATOR
-14V REGULATOR
LED DRIVE
LED DRIVE,
RELAY DRIVE
LED CONTROL
AC DETECT
LED BOARD
(GRN: POWER ON)
(RED: POWER SAVING MODE)
POWER
SP1
~
~
7
11
D
B
16
6
9
17
10
F
5
15
3
G
1
18
12
C
E
H
8
J
4
13
A
14
2
I
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