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HCD-LX20i
6-9.
PRINTED WIRING BOARDS - PANEL Section -
• Semiconductor
Location
Ref. No. Location
D451
C-5
D452
E-2
D453
B-7
A
D454
B-3
IC401
B-8
IC421
C-1
IC422
B-1
IC451
C-4
IC452
B-7
IC453
B-7
IC501
C-6
Q431
B-3
B
Q654
B-7
C
D
E
F
G
HCD-LX20i
• See page 17 for Circuit Boards Location.
1
2
(Page 26)
KEY-EJECT
E
BOARD
PANEL BOARD
CNA938
SW473
CN383
+
1 2
Q431
JW466
IC422
E
B
SW493
SW492
TUNE +
TUNE –
JW501
C411
3
1
(LCD BACK LIGHT)
R471
R473
4 5
R472
C406
SW471
ENTER
C407
R491
R497
C409
JW429
3
1
R492
C410
JW455
R493
JW460
C408
SW472
4 5
JR402
-
IC421
JW473
JW500
JW452
JW476
JW472
JW462
JW480
JW522
JW511
JW413
JR404
JW453
JW433
JW477
JW492
JW474
JW490
SW497
SW491
JW459
JW428
R496
JW423
JW489
JW457
JW469
JW467
CNS402
JW509
JW408
R494
1
2
SW495
SW494
FUNCTION +
FUNCTION -
JW436
R495
JW418
JW407
JW483
JR405
JW495
SW475
D452
SLEEP
JW485
JW435
20
21
SW474
PLAY MODE
JW494
TUNING MODE
JW425
JW434
JW516
R474
JW444
R652
R475
SW496
SW476
EQ
DSGX
JW468
JW508
JW463
CNS411
20
2
JW445
1
2
1
21
R656
JW415
C412
CNS437
JW458
JW451
C405
R655
KEY-VOL
D
BOARD
A
CD BOARD
CNA937
CN201
(Page 26)
(Page 18)
•
3
4
5
36
JW431
JW412
LCD451
R432
LIQUID CRYSTAL DISPLAY
R431
R504
R503
JW430
R501
JW449
D454
R502
R505
JW440
R507
R508
R510
R592
R511
R518
X593
R519
JW447
JW496
R522
X513
R524
R514
C613
C614
R527
JW411
L515
C453
C455
5
4
D451
L660
C471
JW487
1 3
JW410
S471 – 476,
S481, 491 – 497
B
MAIN
BOARD
CNS212
(Page 20)
24
24
: Uses unleaded solder.
6
7
(NC)
CN499
10
2
9
1
JR407 JR408
R509
3
1
1
JR432
JW507
R451
C452
C609
IC453
JW461
JW464
R654
R658
JR417
R653
JR419
L565
D453
C654
JW519
STANDBY
L590
C665
R557
R548
C690
Q654
R556
IC452
IC501
B E
R555
C456
5
R651
C458
JR421
1 3
JR414
R639
C457
R547
JW448
R461
JW513
R546
R543
C615
JW471
R540
R541
JW402
R521
R538
C632
R638
R537
R536
L532
R640
R530
R533
R531
R529
R664
JW419
JW502
JW520
JR425
JR430
JW422
JR415
8
JW479
JW417
JR433
JW475
IC401
JR434
JW426
JW470
JR412
JW524
R401
JW432
R441
1
5
JR428
R641
C401
JR431
R402
R621
C403
SW481
JW484
CNA451
1
4
JW414
JW504
DRIVER
BOARD
R663
JR406
JW498
JR427
JW439
7
JR426
JW456
JW406
JR416
R648
JW486
JW450
CNS481
10
2
11
1
R665
JW421
11, 12
(11, 12)
1-878-852-
C
IPJ BOARD
CN953
(Page 26)
Note: When the DRIVER board is damaged,
exchange the entire CDM80BTS.
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