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MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
5-4.
PRINTED WIRING BOARD - MAIN Section (1/2) (US, Canadian, E, Mexican and Indian models) -
•
: Uses unleaded solder.
1
2
3
A
MAIN BOARD
(COMPONENT SIDE)
B
(US, CND)
C878
C877
C876
C397
D301
R873
IC830
R875
R874
R318
R855
R871
R856 R857
3
1
F3
R872
1
8
R831
4
5
4
5
R833
R835
IC831
R836
D307
C
R322
D805
E
R300
Q301
A
C330
E
E
E
C329
Q803
Q801 Q802
K
E
Q302
R818
TP734
TP737
R738
R737
D
R309
E
C714
C713
R614
R621
R607
R616
R815
R618
R505
R617
R619
R615
R814
F
4
1
R620
C607
25
CN601
5
26
(NC)
IC505
C608
1
R638
R629
CN501
IC601
5
8
C505
R639
8
R637
R513
(NC)
R642
R641
50
TP634
R690
TP633
51
1
TP635
R691
G
R652
6
C609
R662
R653
(NC)
R649
R654
R645
R647
1
C1301
CN602
R656
R655
L1300
R865
CAM001
(CHASSIS)
H
28
4
5
X501, X701
C319
R303
C317
R304
C314
C321
R306
C315
R307
R305
C326
C303
R340
R870
(US, CND)
R317
C409
C398
R311
D321
R378
R315
R301
R302
R320
E
R321
FB398
C309
Q303
C312
C308
C686
FB694
R763
R731
R732
R761
FB695
TP739
TP735
R730
R741
4
TP740
R739
TP733
TP738
R728
C689
TP741
C761
TP732
5
C766
TP742
TP736
C756
R736
R746
TP743
IC681
R743
FB762
C772
C768
C767
C742
R744
C744
R747
C771
C741
R748
R742
76
R749
C776
R764
C779
C777
100
75
C746
C778
1
C745
R750
R751
C739
R745
FB782
FB724
C782
R723
X701
R722
R715
C783
C788
C784
C735
FB722
C730
FB721
C734
C732
C786
IC701
R721
C733
C787
R720
R710
25
51
R719
Q710
TP718
C724
R716
C725
C715
B
E
26
50
R711
C718
C720
R712
C722
C711
C719
C717
R429
C721
C712
TP719
R714
TP724
C792
TP722
A
K
TP723
R623
D401
TP721
R533
R515
C512
R523
TP720
R514
C514
R613
R606
R534
C502
R605
C605
R689
D530
R516
C606
R600
R536
R538
C601
1
R602
R528
C683
R531
R539
R601
100
R675
R674
R603
R676
R535
C508
R672
X501
C617
R671
R532
C507
R673
R542
C615
C616
R669
R541
R543
R695
4
3
R544
R547
FB612
X601
IC403
C401
R548
C510
76
C612
1
2
R550
C518
75
R401
C614
R549
R546
R667
C685
FB610
R553
C613
R661
Q683
Q682
TP334
C520
R688
E
R557
30
R658
FB501
R552
R687
E
C681
C521
6
R556
C682
D731
R684
R683
11
10
5
R555
TP682
R657
15
R561
R562
1
16 20
R681
IC1300
IC680
C1316
D1300
1
16
C1307
C1308
L1301
C1309
C1305
C1312
R1305
C1315
C1304
C1311
R1308
8
9
R1307
C1306
R1300
R1312
R1311
R1313
Note 1: When the system controller (IC501) in this unit is replaced, the des-
tination setting is necessary. Refer to "NOTE THE MAIN BOARD
OR SYSTEM CONTROLLER (IC501) REPLACING" (page 4).
28
• See page 27 for Circuit Boards Location.
6
7
8
R308
C457
Q403
Q405
Q404
Q401
Q402
E
E
E
E
E
R404
R412
R407
CAM002
R425
R423
C413
C425
C422
R410
R421
C411
C323
C424
C420
R400
R443
C403
R442
R414
FB698
R427
C313
C690
R692
C687
C415
5
1
IC682
3
3
4
1
C688
FB696
TP333
(US, CND)
C759
R693
C451
C764
C419
C452
R727
R433
C450
C738
R725
R432
C737
R724
C747
R10
FB750
FB751
21
20
C753
FB720
C754
C414
C729
C15
C728
C752
C11
FB719
R718
FB718
C727
C751
40
1
CN201
R717
C750
IC401
FB717
C726
R217
D403
D204
E
R524
Q407
C416
Q409
R587
R215
R525
R214
R518
R529
C522
R430
E
R216
C523
C513
R521
R517
R213
100
81
R212
R522
80
CL003
CL004
R211
R210
(E, MX, IND)
R576
IC501
C504
R577
R574
R573
C200
R572
R571
51
R569
31
50
R510
R570
R563
R567
R116
R511
R122
R560
R501
Note 2: IC601 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the complete mounted board.
9
10
(CHASSIS)
MJ1
MIC IN
1
(E, MX, IND)
D203
R206
C210
3
R209
3
FB201
C203
FB202
1
(US, CND)
C209
R208
E
R218
D201
Q201
D200
E
Q202
R200
C204
C213
1
6
R205
3
4
R1317
D202
C208
(US, CND)
C214
C212
C211
E
Q203
E
Q204
R219
R121
R864
CAM003
(CHASSIS)
21
1-884-818-
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