DOWNLOAD Panasonic UB-T781 / UB-T781W / UB-T761 Service Manual ↓ Size: 3.11 MB | Pages: 115 in PDF or view online for FREE

Model
UB-T781 UB-T781W UB-T761
Pages
115
Size
3.11 MB
Type
PDF
Document
Service Manual
Brand
Device
Service Manual / Other / ELECTRONIC BOARD (ELITE PANABOARD)
File
ub-t781-ub-t781w-ub-t761.pdf
Date
PREV: Panasonic UB-T780BP (serv.man2) Service Manual / Supplement

Panasonic UB-T781 / UB-T781W / UB-T761 Service Manual ▷ View online

85
UB-T781/T781W/T761
12 Printed Circuit Board
12.1. Power Board
PRIMAR
Y
SECONDAR
Y
12
1
4
16
1
6
12
12
6
1
7
PbF
C101
L101
C102
L102
Z101
CN101
F101
C106
IC101
PC101
CN104
CN102
CN103
CN105
C123
C124
L103
C125
C126
TH102
C105
D111
F102
C103
C104
D101
TH101
T101
D102
R102
R101
C1
14
C115
C1
16
C117
R112
R113
R114
C113
R108
R109
C109
R116
C112
R115
R107
C108
C107
R103
R106
R104
R105
D108
PbF
Z101
Q101
PC101
IC101
F101
CN101
C101
Q102
IC102
CN102
C102
Q103
IC103
D103
CN103
Q104
L104
Q105
L105
CN105
C105
Q106
C1
10
D111
C111
D1
12
D113
R121
C121
R122
C122
R123
R124
R125
R126
R127
R128
R130
R131
C131
R132
C132
R133
C133
R134
C134
C135
R136
C136
C137
C138
C139
R140
C140
R141
C141
R142
R143
C143
R144
C144
R145
C145
C146
R150
R151
R152
R153
F102
L103
LG101
LG102
TH102
D101
C103
C104
D104
D1
16
CN104
L101
C106
L102
D114
D115
F103
C123
C124
C125
C126
F104
TH101
T101
D102
R129
F105
D106
D107
D109
D110
L
N
SEE FUSE NOTICE
CAUTION
FOR CONTINUED 
PROTECTION AGAINST
RISK OF FIRE
REPLACE ONLY WITH 
SAME TYPE AND 
RATINGS OF FUSE.
PJLPC0246Z
-
PRIMARY
SECONDARY
4
1
6
1
T2.5AH 250V
1
2
4
1
6
1
6
S
1
16
8
16
S
S
1
2
S
250V
2A
14
1.25A
1.25A
1
6
12
7
2.5A
PbF Mark
UB-T781/781W/T761
Power Board
(x 0.9)
86
UB-T781/T781W/T761
12.2. Control Board
CN300
12
C378
C376
CN304
IC317
1
5
8
4
R479
C381 L307
C300
C301
C304
C377
3
1
5
4
C379
C373
1
1
6
1
C374
20
C380
IC315
R388
R365
R364
R385
R386
R387
R453
R455
R457
R454
R456
R459
R461
R463
R465
R467
R469
R458
R460
R462
R464
R466
R468
R470
IC300
8
5
4
1
R302
C310
C303
R303
R311
IC302
IC303
16
R313
1
16
9
8
C316
R309
C308
C305
8
IC304
1
5
4
R304
R307
C324
8
1
5
4
C318
Q303
IC306
R323
14
E
C326
R321
8
1
IC307
7
Q301 R315 R317
C306
TP2
R332
C331
R330
R326
C369
IC308
TP1
14
8
1
7
C322
C320
R319
Q302
E
R322
C325
R320
E
IC305
  Q300
C323
R305
8
5
5
4
4
8
C314
9
R308
C307
R359
R356
R354
R348
R345
R344
R342
R377 R378 R379 R380 R381 R382
C341
L301
C368
   C363
1
CN303
6
C367 C365
8
5
1
4
IC309
R355
R358
80
1
Q304
Q305
C343
L300
R475
L309
E
R474
E
4
1
CN302
L308
C366
C364
C344
X300
C342
61
IC310 60
41
R568
R374
1
20
21
40
15
R570
R569
28
IC313
1
14
R351
R352
R350
R441
R443
R445
R447
R449
C321
C319
R318
R316
R312
R314
C313
IC301
C315
R306
C317
8
1
TPG
CN306 C309
R310
2
1
1
1
R561
R558
R557
R556
R572
R571
R563
R562
R559
R442
R444
R446
R448
51
50
26
R494
R495
75
R496
76
IC312
R497
11
IC316
10
IC314
C375
CN305
1
1
4
CN301
100
1
R398
R401
C422
R403
R564
C357
1
4
R516
R514
R512
R510
R517
R515
R513
R511
10
25
8
IC311
R518
5
IC318
36
25
37
48
24
R505
X301
C391
R440
R389
R519 R390
R506
CL304
C388
12 13
C414
1
C415
CL305
JK301
5
7
C394
C387
C417
X302
5
8
4
4
1
C416
1
6
48
37
IC321
1
5
4
IC322
3
R538
1
12
13
36
25
24
IC320
C410
R546
R547
LF301
IC319
3
5
6
L303
2
1
4
R536
C405
L304
C406
LF300
R537
R541
8
7
C420
C395
C421
JK300
1
R333
C332 R331 R328
R533
C408
L310
C396
R535
C404
8
7
6
5
4 1
3 2
CL303
R532
R534
L302
C398
C403
C397
C407
R502
R501
R539
C412
R544
R543
R549
C409
L305
6
1
7
4
5
L306
R548
R542
R540
R545
C413
C41
1
C401
C402
C399
R504
C386
C389
C400 C385 C390
C383
TP3
C423
R438
R436
R434
R430
R503
R500
R492
R498
R499
C393
C392
R397
R399
R400
R402
R407
C382 C384
R408 R509
R508
R410
R41
1
R409
R420
R353
R404
R521
R523
R419
R417
R525
R524
R520
R415 R416
R566
R418
R478
R376
R383
R384
C353
C352
R363
C350
C345
C346
R362
R360
1
4
6
R477
R473
R476
R346
R507
R343
R361
R349
R347
C349
C348
C356
C347
C351
C354
C355
R560
C370
C371
R375
R567
R565
R373 R371 R369
R367
10
4
1
1
C372
R484
R439
R437
R435
R432
R428
R423
R488
R452
R451
R450
R413
R414
R405
R392 R393 R394 R395 R396
R424
R425
R426
R480
R555
R357
R481
C418
R554 R486
6
R487
R485
1
R490 R491
C419
R489
R482
R483
12
1
R421 C358
C359
C360
R412 R406
R422
C362
C361
R493
R433
R431
R429
R522
R427
1
2
R391
R372 R370
R368
R366
C312
R300
R471 R472 R550 R551 R552
C302
C31
1
R301
R324
C329
C327
R327
R325
C330
C328
R329
R338
C340
C337
R339
C339
C338
R340
R341
R334
C336
C333
R335
C334
C335
R337
R336
1
UB-T781/T781W/T761
Control Board
PbF Mark
87
UB-T781/T781W/T761
12.3. Audio Board
1
4
1
2
1
2
2
1
3
C801
C802
C887
C888
C913
C914
C921 
C922
C923
C926
C927
C928
C931
C932
C933
C936
C937
C938
C987
C988
R810
R811
R917
R918
R919
R920
TP10
TP11
TP12
TP13
C838
C843
C842
C839
C837
C840
C841
C830
C831
JK800
CN800
CN801
C925
C924
C935
C934
CN802
VR800
JK801
A
B
C
D
E
F
G
H
A
B
C
D
H
G
F
E
PJLPC0248Z
PbF
C800
CN800
D800
IC800
JK800
L800
Q800
VR800
X800
C901
CN801
IC801
JK801
L801
TP1
C902
CN802
IC802
L802
TP2
C803
C903
IC803
TP3
C804
C904
IC804
TP4
C805
C905
IC805
TP5
C806
C906
TP6
C807
TP7
C908
TP8
C809
C909
C810
C910
IC810
Q810
C811
C911
D811
IC811
Q81
1
R911
C812
C912
D812
IC812
Q812
R812
R912
C813
D813
IC813
Q813
R813
R913
C814
D814
IC814
Q814
R814
R914
C815
C915
IC815
R915
C816
C916
D816
R916
C817
C917
C818
C918
R893
R930
Q831
R831
R931
C832
Q832
R832
R932
C833
Q833
R833
R933
C834
Q834
R834
R934
C835
Q835
R835
R935
C836
R836
R936
R837
R937
R838
R938
R839
R939
R840
R841
R941
R842
R942
R843
R943
R844
R944
R845
R945
R846
R946
R847
R947
R848
R949
R950
C860
C960
R860
R960
C861
C961
Q861
R861
R961
C862
C962
Q862
R862
R962
C863
C963
Q863
R863
R963
Q864
R864
R964
Q865
R865
R965
C866
C966
R866
R966
C867
C967
R867
R967
C868
C968
R868
R968
C969
R869
R969
C870
C970
R870
R970
C871
C971
R871
R971
C872
C972
R872
R972
C873
C973
R873
R973
C874
C974
R874
R974
C875
C975
R875
R975
C876
C976
R876
R976
C877
C977
R877
R977
C878
C978
R878
R978
C879
C979
R879
R979
C880
C980
R880
R980
C881
C981
R881
R981
C882
C982
R882
R982
C883
C983
R883
R983
C884
C984
R884
R984
C885
C985
R885
R985
C886
C986
R886
R986
R887
R987
R888
R988
C889
C989
R889
R989
R890
R990
C891
R891
R991
C892
R892
R992
C893
R993
C894
R894
R994
R895
R995
C907
C869
Q815
R921
R922
R923
R924
R925
TP10
TP11
TP12
TP13
IC806
R940
R849
1
4
1
1
5
6
7
9
8
E
1
2
1
14
28
15
1
2
3
1
2
1
12
13
24
25
36
48
37
5
8
4
1
5
8
4
1
1
D810
4
1
3
6
S
4
1
3
6
S
4
1
3
5
E
5
8
1
4
S
4
13
5
S
D815
4
1
3
6
D817
D818
E
E
E
E
E
R948 R951
R952
E
E
E
E
E
E
4
1
3
5
PbF Mark
UB-T781/T781W/T761
Audio Board
(x1)
88
UB-T781/T781W/T761
12.4. Hub Board
R1036
R1035
4
1
5
5
6
7
7
4
1
6
R1037
R1038
CL1005
C1014
C1017
C1010
CL1016
C1011
L1003
C1047
C1013
C1027
C1023
C1048
L1004
C1019
C1018
 R1015
 C1015
CL1001
C1046
C1045
C1044
C1039
C1024
C1046
R1026
C1041
CL1003
C1024
C1007
C1008
CL1002
1
2
9
10
CL1004
1
4
6
5
7
1
4
6
5
7
CL1007
R1023
LF1002
R1024
R1025
L1006
L1005
C1026
C1030
C1043
L1011
L1012
CL1015
JK1005
IC1005
CL1008
C1031
C1033
C1036
IC1004
4
5
8
1
8
1
4
5
4
1
6
5
6
7
4
1
5
7
JK1004
CL1014
CL1011
L1009
L1010
R1031
LF1004
R1028
C1016
C1035
C1025
CL1012
R1032
LF1005
R1029
R1022
R1021
R1020
R1019
R1018
R1017
R1016
R1014
R1013
C1037
IC1003
1
3
4
5
C1021
R1012 R1011
X1001
C1012 C1009
C1028
C1032
R1008 C1005
R1007
CL1010 R1033
R1034
L1008
R1027
LF1003
R1030
IC1002
36
37
48
1
25
24
13
12
C1020
C1022
R1009
LF1001
R1010
L1002
R1002
R1001
L1001
JK1001
7
6
5
1
9
8
5
4
7
JK1003
C1034
C1029
CL1013 L1007
1
6
JK1002
C1001
IC1001
C1002
C1006
C1003
D1002
R1005
R1006
1
4
5
7
6
D1001
R1004
R1003
C1004
CN1001
1
2
9
10
UB-T781/781W/T761
Hub Board
PbF Mark
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