Sony WRR-800A Service Manual page 42

1
IC1006
NJM78M09FA
IN OUT
1 3
2
C1210
GND 0.1µ
C1209 B
0.1µ
B
RE-157
BOARD NO.1-666-755-21
2
3
4
NOTE
. DC Voltage are taken with digital multimeter (input impedance 1 MZ or more)
under no-signal conditions.
5
A B
MB-786, RE-157
CN1004 CN1003
DC_OUT 1 1 DC_OUT
GND 2 2 GND
DC_IN 3 3 DC_IN
POWER
CN1001
S1001
1 DC_OUT
2 NC
TP1002
3 DC_IN
C1001
330µ
16V
L1006
4 2
J1001
3
2
DC +9V IN
1
3 1
TP1001
C
MB-786, RE-157
R1008
10V 6.2V
22k R1002
2 3 100
L1005 Q1001
1
22µ 2SB1202
C1034
0.1µF
B
IC1002 C1006
3300p
M5237ML
B
8.5V
3 1
1 3
R1001 R1007 C1003
2 12V
220 220 10µ
C1002
2 16V
0.047µ
B
0V
C1033
1µF R1009 R1003
F 5.6k C1035 NC
0.01µ R1004
B 0
C1007
10µ
6.3V
C1008
2.2µ
10V
C1009
3300p
B
C1004 C1005
470µ 0.1µ
16V B
NC
OUT
14.4V
C1206
1µF
F
7-2 7-2
D E
D1004
EC10QS04
14.5V
IC1004
2 TP1003
NJM78L12UA
L1001
L1003 D1005 IN OUT
150µ
100µ EC10QS04
4
Q1002 3 1
MTD20N06HDL
IC1001 R1017
2
47
MAX742
GND
0V
FB+ CSH+
R1005
0.15
CC+ CSL+
A_GND GND
C1010
AV+ EXT+ D1002
1µ
SB07-03C
16V
3 2 3
100/200 PUMP
C1018
D1003
12/15 PDRV 330µ
2
SB07-03C
16V
C1011
VREF EXT- C1020
1µ
4700µ
16V
25V
SS V+
C1022
0.047
B
CC CSH-
R1006
0.1
D1007
FB- CSL-
C1014 1SS355
470µ
16V
R1018 C1016
47 0.1µ
Q1003 F
2SJ377 4
L1002
150µ
2
C1012 C1013
470µ 0.1µ
16V B
C1015 C1017
470µ 0.1µ
16V F
C1023 D1008
0.047 1SS355
B
C1021
2200µ
25V
0V
C1019
330µ
16V
-14V -12V
COM
D1006 L1004
1
EC10QS04 22µ
2 3
TP1004
NJM79L12UA
IN 0UT
2
D1202
RB411D R1201
NC
3
R1202
D1203
10k
0V 14.4V RB411D
14.4V 14.4V 3 2
5 4 5 4 5 4
NC VDD OUT_X VDD OUT_X
IC1201
IC1202 IC1203
R1203
S-80735SN
TC4S69F TC4S69F
680k
VDD VSS NC IN_A VSS NC IN_A VSS
1 2 3 1 2 3 1 2 3
0V
0V
6.2V
14.4V 0V
C1207
C1201 C1202 C1203 22µ
4700µ 0.1µ 20V
0.1µ
25V B
B
C1204 C1205
22µ
20V
F
12V
C1036
0.1µF
B C1031
47µ
25V
R1014
10k
C1029
0.1
B
C1030
470µ
16V
C1028
470µ
16V
C1027
0.1
B
Q1004
2SA1832
R1016
R1015 560
12k
IC1005
R1207 R1204
14.4V
10k 10k
Q1201
2SC4738
0.8V 0V
R1205
1k 0.2V
1.4V
TP1008
0V
0.7V
Q1202
2SC4738
Q1203
2SC4738
0V
C1208
10µ
16V
R1206
220k
22µ
20V
WRR-800A
G H