Schematic Diagram - Power Board - (Rg470: E2, E51, Ar, Mx) - Sony HCD-GX255 Service Manual

6-24. SCHEMATIC DIAGRAM – POWER Board – (RG470: E2, E51, AR, MX)
R467
C461
2.2k
47 100V
1W
D445 UDZS-16B
R496
100
JR441
0
IC441(1/2)
C445 STK412-240
100p
Q489
2SC5625
STANDBY
R441 R445 POWER AMP
2.2k 1k SWITCH
R469
47k
C441 C447
10 47
50V 50V
C448 R436 R476
47 22k 22k
50V
R444 R446 R439 R479
47k 1k 10k 10k
C444
R495
0.001
1
JR442
0
IC441(2/2)
C446 STK412-240
100p
R442
2.2k
C442
10
50V
HCD-GX255/RG170/RG470
R449
0.22
5W
R474
2.2k
Q491
2SA2026 JW403
R463
47k R455
R464 R472 1k
100k 100k
R447
47k
Q490,491 C451
0.1
LEVEL
R491 R457
SHIFT 47k 22k
R470 D444 C453
47k 1SS355 Q490 0.1
Q441
2SC3052
2SC5625
EF
Q441,442
C463
470 R471 OVER LOAD R425 R453
6.3V 100k 10 10
DETECT
R475 R459 R424 R420
10k 100k 10 10
C462
R468 R478
47
2.2k 22k D441 D481
100V
1W MC2836 R460 1SS355
100k
R423 R421
10 10
Q442
2SC5625 R422 R454
R492 R458 10 10
47k 22k
R477
100
R448
47k C454
0.1
C452
0.1
D446 R456
UDZS-16B 1k
R450
0.22
5W
R497 R466 R465 R484 R480 R485 TEMPERATURE
100k 100k 47k 100k 100k 100k
Q481
2SC3052
EF
Q482
2SC3052
Q483
EF
2SC3052
R483
C481 Q481,482 22
100 Q484
DC DETECT
10V TH441 2SC3052
EF
Q485
2SA1235
EF
PROTECTOR
R481
R487 4.7k
47k Q487
JW404 2SC3052
R498 EF R440
1k 22k
PROTECT
R490
DETECT 4.7k
R499
Q486
1k
2SC3052
EF
R488 RELAY
22k
DRIVE
45 45
RY441
D443
1SS355
Q483,484
DETECT
R417 R418
100 220
R407 R419
100 100
R486
EF
100k
D401
D10XB20
D402
D10XB20
R482
10k C486
2.2
50V
C403
C405 C409
R405 R403 R401 0.1 R409
2200 4700
100k 100k 100k 100V 100k
71V 50V
C404
C406 C410
R406 R404 R402 0.1 R410
2200 4700
100k 100k 100k 100V 100k
71V 50V
Q488
2SC3052EF
RELAY
SWITCH
HCD-GX255/RG170/RG470
L441
R461 R411
10 10
SP(L)
R413 R412
10 10
(L) JK441
SP GND
SPEAKER
IMPEDANCE
R462 R414
SP(R)
10 10 USE 6−16Ω
(R)
R416 R415
SP GND
10 10
L442
EP401
(CHASSIS)
EP402
C402
0.01
(CHASSIS)
CN441
(SUFFIX-11)
13P
SP L-OUT
J3
SP-GND
C411 SP R-OUT
MAIN BOARD
1000p
RELAY B+
(3/3)
PROTECT CN031
(Page 35)
R-OUT
AMP-A-GND
L-OUT
C413 J6
0.1
UNREG +16V
PWR GND
MAIN BOARD
STK MUTE (3/3)
C414
0.1 CN031
NC
(Page 39)
R437
GND
10k
(SUFFIX-12)
CN442
5P
AC-VH
AC-VL
GND
AC-VL
(Page 59)
AC-VH