JVC KD-R420J Service Manual page 35

<Main board (J,UI,U,UH,UN,UT,UF)>
(Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade))
(Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade))
C351
R351
Q341
R332
C321
R321 J321
C341
R320 R341
R342 C368
Q321
R347
C253
R257
R373
R461
R349
R1
C29
D321
C1
J1
R310
R2
R333
C6
L10
R9
L8
R343
IC161
D251
R10
R324
R6
C24
L1 R7
C2
L5
L9
L2
C12
L6
C27
R3
C11
L11
IC1 R417
C161
C20
1
C173
C25
C544
E
L4
IC580 C545
E
C575 C552 R541
R545
C576
C558 C548
R549
C554 R542
C555 R544
C162
C174
R512
R467
C557
C556
R412
C505
R411
R516 R410
R546
R547 R548
D102
R528
R585 R580
D112
D540
C508
R468
R550
R413
D113
R414
R575
1
IC501
CN502 C512 R519
R510
R490 T1A
C102 C506
C101
GEB10301A
R520
P1A
No.MA478
R305
D
R780
C990
C314
R482 C984
D782 L985
D982
R781
L983
R961
C315
C311
C312 R433
R457
IC301
C309
D901
R307
R783
Q781
Q780
C304
D781
Q782
R481
R424
R970
Q970 R442
C303
D970 R441
C317 C301
C302
Q952
R971
R400
R484
R973
R445
Q951
C703
C305
C169 C306
D132 R904
D971
R974
Q971
R168
C168
R451
C178
R477
C177
D780 R753
R778
R754
C727 IC771
R779
R478 R742
R418
R744
IC532
SN
R439
RST
SCL SDA
R574
C540
C574 R440
C541
C714
C573
R723 R404
C543
R727
R731
C713
R740
B
C549
IC540
A
R752
R749
C565 R431
C80
C564
R557
R558
L531
IC80 R82
R102
R110 R100
C110
R554 R462 R708
C R713
R555
R715
C507
R514
C563
C513
D502
C596
C514
R518
C518
C560
C706
C
S701
C891
J120
R894
D704
R882
R132
C132
CN901
R777
R122
C130
R131
R121
C120
C881
D123
C988
R983
R987
C982 R981
R982
R965
R480
C131
C914
R475
R486
R883
R435
Q881
R881
R907
R891
C904
C912
IC981
D
R774
C704
L703
R436
D983
TEST1 GND
TEST3
C731
R743
R425
R456
R423
R704
R746
R474 C717
IC702
C715
R469
R449
R473
R724
R758
R762
C716
R776
R775 R483
R737
VDD
Q701
R487
C732 C729
R463 R530 R465
C702 C570
C718 R409 R466
C701
C725 C568 R464
X701 B R408
C724
R570
R566
R568
C566
L102
R567
D720
R565
R569
L563 D719
C963
L565
C726
TEST2
D110 L564 R488
A L101
R902
R903
C728
D111
R922
C722
CN701
(No.MA478<Rev.001>)13/23
created date:2010-11-08