HCD-RG295, HCD-RG495, HCD-RG595, MHC-RG295, MHC-RG495, MHC-RG595 - Sony Audio Service Manual (repair manual). Page 43

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HCD-RG295/RG495/RG595
43
43
HCD-RG295/RG495/RG595
7-20. SCHEMATIC  DIAGRAM  – POWER Board (RG295/RG495) –
C403
R481
CN442
C441
R441
R443
R444
R445
C448
R446
R458
R459
Q441
R460
R425
R424
R423
R422
C452
C454
R421
R454
R497
R466
R465
R499
R487
R498
R490
R482
C486
R417
R407
R419
R402
R401
C404
R411
R412
R413
R461
R416
R415
R414
R462
R486
C481
R420
R453
C453
C451
D441
R457
R492
R496
R442
C442
JW402
CN441
C443
R449
C447
C488
R493
C405
C406
R484
R480
R483
TH441
R452
R456
R455
R451
R447
JW401
C490
R448
C489
IC441(2/2)
IC441(1/2)
C446
Q489
C445
C444
CN443
EP401
R495
R488
R440
Q442
R485
Q486
L442
L441
D443
C411
Q484
Q488
D481
D483
JK441
R418
Q481
Q487
Q485
Q482
Q483
R435
R491
R434
RY441
D401
0.1
100V
4.7k
3P
10
50V
2.2k
47k
47k
1k
22
35V
1k
22k
47k
2SC5625
47k
10
10
10
10
0.1
0.1
10
10
100k
100k
47k
1k
47k
1k
4.7k
10k
2.2
50V
100
100
100
100k
100k
0.1
100V
10
10
10
10
10
10
10
10
100k
100
10V
10
10
0.1
0.1
MC2836
22k
1k
100
2.2k
10
50V
13P
0.001
47 1/2W
22
35V
22
35V
47k
2200
63V
2200
63V
100k
100k
22
0.22
5W
1k
1k
0.22
5W
47k
100
63V
47k
47
63V
STK403-130
STK403-130
100p
2SC5625
100p
0.001
6P
1
22k
22k
2SC5625
100k
2SC3052EF
MA111-TX
0.01
2SC3052
2SC2411K
MA111-TX
MA111-TX
100
2SC3052
2SC3052
2SA1235
2SC3052
2SC3052
0
10k
0
D10XB20
GND
RELAY+
RELAY-
NC
SP(L)
SP(R)
SP GND
SP-GND
AMP-A-GND
PROTECT
GND
NC
SP GND
OVERLOAD/DC DETECT
(CHASSIS)
SP L-OUT
SP R-OUT
R-OUT
L-OUT
UNREG +16V
GND
AC1
AC1
9
14
15
8
1
3
2
6
7
10
4
STANDBY
SWITCH
POWER AMP
Q441,442
OVER LOAD
DETECT
PROTECT
DETECT
PROTECTOR
Q481,482
DC DETECT
Q483,484
TEMPERATURE DETECT
2
1
4
3
L
R
SPEAKER
SP RELAY B+
PWR-GND
STK-MUTE
-VFL
RELAY DRIVE
Q486,488
+VCC
-VCC
-1
-2
C459
C460
1000p
100V
1000p
100V
(RG295:AEP,UK/RG495:AEP)
C491
0.001
(RG295:AEP,UK/RG495:AEP)
C493
2200p
C494
2200p
(RG295:AEP,UK/RG495:AEP)
(RG495)
(Page 47)
(Page 37)
(Page 49)

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