Sony HCD-GX750 / HCD-RG551 / HCD-RX550 / MHC-GX750 / MHC-RG551S Service Manual ▷ View online
45
45
HCD-GX750/RG551/RX550
5-22. SCHEMATIC DIAGRAM — SUB WOOFER SECTION —
(Page 36)
Q501
Q503
Q505
Q506
R510
R511
JW501
C504
JW520
C517
C514
CN502
C515
C506
C509
C510
C511
C513
C512
R512
JK501
CN503
Q502
C507
Q507
C516
D506
D501
CN501
R531
R529
R528
R527
R525
R526
R530
R506
R501
C503
C502
R504
C505
R502
R503
C508
R508
R509
R514
R513
R524
R532
R533
R520
R515
R517
R518
R519
D507
R507
R505
D502
D503
D504
R516
RY501
D505
IC501
(Page 48)
(Page 51)
46
46
HCD-GX750/RG551/RX550
5-23. PRINTED WIRING BOARD — POWER AMP SECTION (GX750/RX550) — • Refer to page 30 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
EP403
JW445
JW446
JW447
JW448
JW449
JW450
JW451
JW452
JW453
JW455
JW457
JW458
JW459
JW460
JW461
JW462
JW463
JW464
JW465
JW466
JW467
JW468
JW469
JW474
JW475
JW476
JW477
JW478
JW479
JW481
JW482
JW483
JW484
JW410
JW412
JW413
JW414
JW417
JW418
JW419
JW420
JW421
JW421
JW422
JW423
JW424
JW425
JW426
JW427
JW428
JW429
JW430
JW431
JW430
JW431
JW432
JW485
JW486
JW487
JW488
JW489
JW473
JW472
JW470
JW471
LP401
R409
EP402
C462
R414
C413
C414
Q482
Q481
C403
R484
R483
Q484
Q483
R485
R482
C402
R490
JK441
D482
Q486
R487
C487
R481
Q487
R407
C404
R488
R462
R461
L442
L441
RY441
TH441
Q485
C486
EP401
C454
CN441
R442
R455
R478
C461
R454
C442
Q490
R445
R472
R475
R450
D444
C453
C443
R402
C444
C447
R468
D442
D481
D446
C463
R458
R453
R474
Q491
R496
IC441
R456
CN443
R460
R410
R404
R412
CN442
R447
Q489
EP491
LP403
C452
C441
R413
D441
C446
Q441
R469
C448
R477
Q488
D401
JW403
R473
D445
R470
R401
JW411
R403
R471
R448
JW442
Q442
R476
R446
JW401
R467
C492
C406
C481
R466
C409
R459
C410
R449
JW441
C405
C445
R457
R444
R443
R441
LP402
R486
D443
R489
R465
JW404
R495
C451
JW409
LP404
D402
R411
(Page 44)
(Page 38)
(Page 47)
Ref. No.
Location
D401
G-8
D402
H-9
D441
C-4
D442
D-5
D443
I-4
D444
B-5
D445
C-3
D446
C-3
D481
D-5
D482
G-4
IC441
D-3
Q441
D-4
Q442
D-4
Q481
D-4
Q482
D-4
Q483
A-4
Q484
A-4
Q485
G-3
Q486
G-4
Q487
G-4
Q488
F-4
Q489
B-4
Q490
C-5
Q491
C-5
• Semiconductor
Location
47
47
HCD-GX750/RG551/RX550
5-24. PRINTED WIRING BOARDS — TRANSFORMER SECTION (GX750/RX550) — • Refer to page 30 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
PT901
JW928
JW929
JW930
JW931
JW932
JW933
JW934
F909
JW917
FH916
FH909
F908
CN907
FH912
FH911
F905
F906
F907
FH913
FH914
C906
R902
R908
R904
C910
D906
R903
C908
Q902
JW909
W901
CN906
FH910
FH915
D908
FH908
CN905
FH907
FH917
FH918
LP902
LP903
CN904
F904
C911
C909
C920
C925
C923
C924
C922
C921
C926
JW920
JW921
JW922
JW923
JW911
JW924
D902
JW903
JW906
JW910
CN902
CN901
RY901
JW902
D901
PT902
D905
D903
LP901
D904
CN903
(Page 46)
(Page 38)
Ref. No.
Location
D901
B-3
D902
B-2
D903
B-2
D904
B-2
D905
B-2
D906
C-13
D908
C-10
Q902
B-12
• Semiconductor
Location
48
48
HCD-GX750/RG551/RX550
5-25. SCHEMATIC DIAGRAM — POWER SECTION (GX750/RX550) —
Q484
Q486
Q487
D482
TH441
D901
FH907
FH908
FH910
FH909
FH911
FH912
FH913
FH914
D908
C908
JW917
D441
D443
D481
Q441
Q442
Q489
Q490
C441
C442
C444
C461
C462
R460
R467
R468
FH916
FH917
FH918
L441
L442
JW404
R450
C463
R908
CN907
C920
C921
C922
C923
C924
C925
C926
CN905
R903
D906
C909
C906
R902
C911
JW909
CN906
W901
R904
FH915
PT901
C910
D902
D904
D903
D905
JW910
JW902
CN901
RY901
JW903
JW906
CN902
IC441(1/2)
R446
R477
IC441(2/2)
R469
R470
R496
R474
R472
R473
R455
R475
C492
R459
C453
R441
R442
R478
C452
C454
R454
R453
C451
R485
R481
R487
R488
R461
R462
C407
C408
CN441
JW409
C413
JW411
R409
C403
R401
R403
C409
JW401
C414
R410
C404
R402
R404
C410
CN442
R407
R486
Q483
R484
R483
R465
R466
Q482
C481
Q481
C486
R482
Q485
C487
R489
R490
D442
R458
R456
R449
JW403
JW441
C445
JW442
C446
R448
Q491
R447
R471
R445
R443
C443
R476
R495
R444
C402
RY441
R457
EP491
D445
JK441
EP401
EP402
CN443
D444
R411
R413
C447
C448
R414
R412
D446
Q488
C405
C406
F908
F904
F905
F909
F906
F907
Q902
CN903
PT902
D401
D402
CN904
(Page 45)
(Page 37)
(Page 36)
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