Sony HCD-GX470 / HCD-GX570 / MHC-GX470 / MHC-GX570XM Service Manual ▷ View online
HCD-GX470/GX570
41
41
HCD-GX470/GX570
7-18. SCHEMATIC DIAGRAM – MIC. AUX. HP Board –
R824
R825
EP701
C783 C784
C820
R826
R827
R823
R832
C821
R831
J701
J702
C781
C782
22k
1k
0.1
0.1
1000p
1k
10k
2.2k
470k
1000p
470k
2200p
2200p
D-GND
A-GND
O-HP/AUX
HP-GND
L-OUT
R-OUT
HP-GND
(CHASSIS)
AUX-IN-LCH
AUX-IN-RCH
1
PHONES
AUDIO IN
9
(Page 36)
HCD-GX470/GX570
42
42
HCD-GX470/GX570
7-19. PRINTED WIRING BOARD – POWER Board –
: Uses unleaded solder.
•
See page 27 for Circuit Boards Location.
R484
C446
R448
R447
R456
C411
R455
Q488
C445
R483
R480
Q489
R434
R435
R418
R442
R441
Q442
Q483
R486
Q482
Q485
Q487
Q486
R401
Q484
D483
R491
R492
R493
R482
D481
R420
R487
R488
R498
R499
R440
R490
R413
R453
R454
R422
R461
R497
R466
R481
R465
Q481
R485
D443
R419
R407
R412
R417
R460
R457
R415
R411
Q441
C444
R416
R414
R462
R459
R458
R402
R444
R425
R443
C443
R424
R421
R423
R446
R445
D441
CN442
CN443
C406
JW
467
C490
C405
IC441
R451
R452
RY441
JW
401
JW
402
JW457
TH441
JW422
JW431
JW428
EP401
JW464
JW447
CN441
D401
JW
424
JW
433
JW
405
JW
423
JW
404
C486
C481
JW463
JW409
C403
JW
413
C448
L442
JW
425
C441
C488
C447
JW
418
JW426
JW
414
JW
415
JW
448
JW
421
JW411
JW407
JW
453
C404
C451
C454
C452
JW
406
JW
450
JW443
C442
C453
JW462
R495
JW
417
JW403
JW
419
JW
434
JW
430
JW
455
JW
460
JW
420
JW
456
JW408
JW
412
JW410
JW444
JW442
JW451
JW
454
JW
459
JW445
JW461
L441
JW
416
JW
449
JW427
JW452
R449
R496
C489
E
E
E
E
E
E
E
E
E
E
E
(CHASSIS)
POWER BOARD
1-869-308-
12
(12)
M
TRANSFORMER
BOARD
CN903
3
1
J
MAIN
BOARD
CN031
-1
-2
R
L
SPEAKER
JK441
+
–
–
+
4
1
L
SUB WOOFER
BOARD
CN502
1
6
K
K
A
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
•
Semiconductor
Location
Location
Ref. No. Location
D401
C-10
D441
F-7
D443
G-12
D481
F-7
D483
F-2
IC441
G-5
Q441
F-7
Q442
F-6
Q481
D-4
Q482
D-4
Q483
D-3
Q484
E-2
Q485
E-3
Q486
E-2
Q487
E-3
Q488
F-2
Q489
G-3
(Page 49)
(Page 44)
(Page
34)
HCD-GX470/GX570
43
43
HCD-GX470/GX570
7-20. SCHEMATIC DIAGRAM – POWER Board –
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
R484
R480
R483
TH441
R452
R456
R455
R451
R447
JW401
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
C405
C406
C489
C490
R448
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
50V
100
100
100
100k
100k
0.1
100V
10
10
10
10
10
10
10
10
100k
100
10V
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
100k
100k
22
0.22
5W
1k
1k
0.22
5W
47k
STK403-130
STK403-130
100p
2SC5625
100p
0.001
6P
1
22k
22k
2SC5625
100k
2SC3052EF
1SS355
0.01
2SC3052
2SC2411K
1SS355
1SS355
100
2SC3052
2SC3052
2SA1235
2SC3052
2SC3052
0
10k
0
D10XB20
2200
71V
2200
71V
47k
∗
∗
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
∗C489
47 100V(GX570)
47 63V(GX470)
∗C490
100 63V(GX470)
100 100V(GX570)
(Page 45)
(Page 37)
(Page 50)
HCD-GX470/GX570
44
44
HCD-GX470/GX570
7-21. PRINTED WIRING BOARDS – SUB WOOFER Section –
: Uses unleaded solder.
•
See page 27 for Circuit Boards Location.
JR502
D504
D507
R532
D501
C508
R533
Q503
R501
C503
Q507
R502
JR501
C502
C505
R504
R503
R529
R530
R531
R520
Q505
Q506
R524
D502
D503
Q501
R515
R513
R514
R527
R525
R526
R512
Q502
R517
R518
R516
R522
R521
R523
JW502
JW503
JW504
JW505
JW506
JW507
JW516
JW522
R505
JW509
JW501
CN503
C510
C512
C513
R509
R534
C517
C511
C507
R506
R508
R507
C514
R511
C506
JW521
C504
CN501
R510
IC501
RY501
C516
C509
CN502
E
JW514
CN504
E
E
E
E
E
SUB WOOFER BOARD
1-868-919-
12
(12)
1
3
L
POWER
BOARD
CN443
H
MAIN
BOARD
CN271
-1
-2
1
4
SW-SP BOARD
1-868-920-
12
(12)
1
4
SUB WOOFER OUT
JK501
+
–
A
B
C
D
1
2
3
4
5
6
7
8
9
10
•
Semiconductor
Location
Location
Ref. No. Location
D501
C-4
D502
C-6
D503
C-6
D504
B-7
D507
C-2
IC501
D-4
Q501
D-6
Q502
B-6
Q503
B-3
Q505
C-2
Q506
C-3
Q507
D-3
(Page 42)
(Page 34)
Click on the first or last page to see other HCD-GX470 / HCD-GX570 / MHC-GX470 / MHC-GX570XM service manuals if exist.