Printed Wiring Board - Power Board (Rg490) - Sony HCD-RG490 Service Manual

HCD-RG490/RG590
Ver. 1.1
7-23. PRINTED WIRING BOARD – POWER Board (RG490) –
1 2 3
Semiconductor
Location
A
Ref. No. Location
D401 C-10
D441 F-7
D443 G-12
D481 F-7
D483 F-2
B
IC441 G-5
Q441 F-7
Q442 F-6
Q481 D-4
Q482 D-4
Q483 D-3
Q484 E-2
Q485 E-3
C
Q486 E-2
Q487 E-3
Q488 F-2
Q489 G-3
POWER BOARD
D
E
Q483
E
Q484
R485
R483
E
E
E
Q486
Q487
JW407
R440
E C490
F Q488
R492
R493
D483
C488
Q489
G
E R491
H
HCD-RG490/RG590
See page 27 for Circuit Boards Location.
4 5
(Page 50)
L1
SUB WOOFER
BOARD
CN502
E E
Q482 Q481
R465 6
JW411
R466
R497
JW410
R481
R482 JW409
E
JW408
Q485
R487
R456
R496
Q442
JW403
R434 C445
(AEP, RU)
IC441
: Uses unleaded solder.
6 7 8
C405
JW427
JW428
JW426
JW422
CN443
1
E
R458
Q441
R455
E
JW445
R457
R459
JW444
C489
R460
D481
K K
JW443
D441
JW442
C447
A
C441
R441
R447
R445
C442
R443 R448
C443
R446
R442
C446 R435
46 46
9 10 11
1
1
JW431
4
JW452 JW462
JW451
C454
R424
R454
R425
R421
R453
R423
R420
C411
R422
C453
R461
L441
R413
EP401
R411 R462
R414
R412
R415 R416
L442
JW447
(AEP, RU)
(CHASSIS)
JW457
+ – + –
L R
SPEAKER
JK441
12 13
TRANSFORMER (Page 58)
M1
BOARD
CN903
CN442
3
(EXCEPT MX)
J1
MAIN
BOARD
CN031
(Page 36)
J3
MAIN
BOARD
CN031
(Page 40)
(MX)
JW464
JW463
JW461
-1 -2
D443
R419
R418
R417 R407
12
1-869-308- (12)