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
JW422
JW423
JW424
JW425
JW426
JW427
JW428
JW429
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