(Power Amplifier & Pre Amplifier) - Sanyo DC-BM500 Service Manual

WIRING DIAGRAM (POWER AMPLIFIER & PRE AMPLIFIER)
POWER AMPLIFIER P.W.BOARD
R4433
C4441
R4443
R4441
R4435
R4440
R4445
C4431 R4442
IC440
R4431 C4440
J4300
R4430
R4432 J4301
C4430
CN443CN444
2
Q4420
C4100
3
C4200
C4315
PR431
C4110
D4110
E
J4211
J4213
J4216 C4112
J4219
D4112
J4103
J4320
4
5.6V
GND
GND
8.5V
12V
TU_L
J4222
TU_G
TU_R
C4346 C4345
CN430
Q4320
Q4321
R4212
E E Q4212
Q4210
Q4222
J4100
Q4211
J4200 J4302
J4303
R4211
R4221
J4201 J4304
J4202
CN442
R_OUT
R_GND
L_GND
L_OUT
T002 94V-0
C4120 1AD4B10D0652A
A_GND
J4203
R4120
J4205 8.5V
12V
J4206
J4207 J4102
V_CHE
J4208
C4111 5.6V
J4209
AUX-GND
J4210
D4111
P_RY
J4212
L-CH
J4214
R-CH
C4113
J4215
J4217
ST_BY
J4218
D4113
J4220
MUTE
CN441
PR410
PR411 CN440
7000
7000
J4321
CN410 J4322
J4323
J4325
FL_2
FL_1
250
D_GND
-28V
TU_L
TU-GND
TU_R
J4812
J4813
J4720
J4721
J4722
C4980
C4990
CN481
- 28 -
PRE AMPLIFIER P.W.BOARD
S4900
T002 94V-0
1AD4B10D0652B
RCH
GND
GND
LCH
J4803
J4804
C4535
GND
+8.5V
+12V R4500
V_CHK
+5.6V
AUX-GND C4505
J4605
NC
IC450
L_CH C4501
C4504
R_CH
ST/BY
C4502
MUTE
C4503
J4607
FL1
FL2 J4808
FR_GND
J4708
-28V
J4709
TUL
TU-GND J4710
TUR
R4961
750
D4850
PR496
J4712 R4850
J4713
J4714
J4615
J4715
J4716
CN460
J4816
J4817
C4982 C4992
CN490
C4993
C4983
C4822
C4812
C4820
R4820
R4821
C4821
J4600
J4601
R4632
R4642
C4544
C4640
R4545
IC460
R4546
C4540
R4536
R4535
C4533
C4650
C4632
C4530
R4630
Q4620
R4734
R4531 R4680 R4652 R4653
C4534
R4540
C4680 C4655
CN471
C4732 C4645
R4732
C4740
C4700
L4740
J4609
R4700
L4741
CN480
J4711 J4610
C4741
R4710
R4711
D4950
J4611 Q4730
Q4700 E C4711
R4701
R4972
Q4970
R4702 C4721 E
L4720
C4720
J4612
J4613 Q4701 R4971
C4722
R4720
J4614
R4970
Q4720
DIP
C4861
R4861
J4815
R4860
This is a basic wiring diagram.
- 29 -
C4810
R4810
R4811
C4811
(R)REC SW
PACK SW
NC
(F)REC SW
PLUNGER
INITIALIZE
MOTOR
PH1
GND
REEL
J4809