Sharp LC-70UD20KN (serv.man2) Service Manual ▷ View online
1
LC-60UD20
LC-70UD20
SE00LC60UD20P
SERVICE MANUAL
LED LCD
COLOUR TELEVISION
Issued: 23
th
September 2014
MODELS
LC-60UD20E
LC-60UD20EN
LC-60UD20KN
LC-70UD20E
LC-70UD20EN
LC-70UD20KN
In the interests of user safety (required by safety
regulations in some countries) the set should be re-
stored to its original condition and only parts identical
to those specifi ed should be used.
regulations in some countries) the set should be re-
stored to its original condition and only parts identical
to those specifi ed should be used.
CONTENTS
OUTLINE ......................................................................................................................................... 2
PRINTED WIRING BOARDS ASSEMBLIES............................................................... 3
PRINTED WIRING BOARDS ASSEMBLIES............................................................... 3
MAIN Unit......................................................................................................... 3
FRC Unit........................................................................................................... 7
FRC Unit........................................................................................................... 7
SCHEMATIC DIAGRAMS............................................................................................... 11
Description of SCHEMATIC DIAGRAMS ...................................................................... 11
SCHEMATIC DIAGRAMS................................................................................................ 12
SCHEMATIC DIAGRAMS................................................................................................ 12
PARTS LISTING.............................................................................................................. 39
Parts marked with “ “ are important for maintaining the safety of the set. Be sure to replace these parts with
specifi ed ones for maintaining the safety and performance of the set.
specifi ed ones for maintaining the safety and performance of the set.
!
PWB Unit Edition
2
LC-60UD20
LC-70UD20
OUTLINE
OUTLINE
We inform you of service parts in the PWB Unit.
UNIT CODE
DESCRIPTION
DKEYDG446FM51
MAIN Unit
RUNTK0093FVZW
T-CON UNIT LC-60UD20E/EN/KN
RUNTK0093FVZR
T-CON UNIT LC-70UD20E/EN/KN
RDENCA477WJQZ
SUB-POWER UNIT
DUNTLG447FM51
R/C UNIT
DUNTLG448FM51
KEY Unit
RUNTKB258WJQZ
POWER Unit LC-60UD20E/EN/KN
RUNTKB256WJQZ
POWER Unit LC-70UD20E/EN/KN
RUNTKB222WJN1
RADIO UNIT (Wi-Fi/BT)
DUNTLG401FM51
FRC UNIT
We inform you that service parts in the PWB Unit.
NOTE:
- Replace MAIN PWB Units DKEYDG446FM51) in case of IC3102, IC3301 failure.
- When replaced IC9003 and IC9503 (FLASH ROM) on the FRC Unit, please write
ROM data from the connectors CN9002 and CN9505.
3
LC-60UD20
LC-70UD20
8
1
2
3
4
5
6
7
9
10
G
F
E
D
C
B
A
PRINTED WIRIRNG BOARDS
Main Unit Side A
4
LC-60UD20
LC-70UD20
Main Unit Side A (Chip Parts)
C3828
C1118
C2694
C1119
C2695
C2696
R3802
C2697
C1310
C2698
R2670
C1504
C1311
C2699
C1505
Q1501
C1312
Q1502
C1313C1314
C1120
C1121
C1315
C1316
TU1102
C1317
TU1103
Q1507
C1318
TU1104
R3425
C1125
C1319
TU1105
C9401
Q1509
C1126
TU1106
D1102
C9402
R3427
C1703
C1127
D1103
C9403
R3428
C1704
C9404
C1510
R3429
C1705
C1129
D1105
C9405
R1102
C1706
C9406
R3812
C1707
C9407
R3813
C1708
C1320
R1104
C9408
Q1510
R1105
C1709
J9501
C1321
C9409
R1106
C1322
Q1512
C1323
R1107
J9503
R3817
R3430
J9504
C1324
VA630
R1108
C1130
R3431
C9601
C1325
J9505
R1109
VA631
C1131
IC1101
Q1515
X9501
R3819
C1326
R3432
C9602
C1132
IC1102
C1133
C1903
R3434
C9604
C1710
C1904
C1134
C9410
R3435
C3651
FB1401
C1711
C9605
R1301
Q1901
C1135
C9411
C3652
FB1402
C9606
C1712
R1302
C1136
R3437
C3653
C9607
Q9603
C1907
C1137
R1303
C3654
Q9604
R1304
C9608
R1110
C1138
Q9605
C9609
R1111
C1139
R1307
R1114
R1308
IC1301
R1309
D1501
D1502
R1116
R1117
C1333
C1334
C9610
C1910
C1140
C1335
C9611
R1119
R1501
C9612
C1912
D1506
C9613
C1913
C9614
R1310
C1914
D1508
C9615
C1915
R1311
C9616
R1312
C9617
R1313
C1917
C9618
R1314
C9619
R1315
R1121
R1509
R3832
R1316
R1122
IC1502
R3833
R1123
R1317
R1318
R3834
R1124
D1510
IC1504
SC1401
R1125
R1319
R9401
IC1505
R3835
FB9502
R3836
R1702
R9402
D1512
IC1506
R1703
R9403
R3837
R1704
VA650
R9404
D1514
R1510
R3839
VA651
R9405
R1511
R1706
VA652
R1707
VA653
R1513
C9624
R1708
R1320
C1924
VA654
C9625
R1709
FB9509
R1321
R1515
R1322
IC1702
C9626
C1926
R1516
C9627
R1323
R633
VA657
R1517
R1518
C9628
R1324
R634
VA658
R1325
C9629
R9601
R3841
C1929
R635
R3842
R9602
R636
R9603
R1903
R9604
R1710
FB9510
R9605
F3801
R1711
R3845
F3802
R1712
R3653
FB9513
R3847
D1524
R3654
C9630
R3848
R1908
FB9514
R1520
R3655
X2001
C9631
IC9601
R3849
R1909
IC1901
R3656
C9632
IC9602
R1522
D1526
R3657
IC9603
C9633
R3464
R3658
D9610
C9634
IC9604
R1524
R3465
R3659
SC9501
C9635
IC9605
R641
C9636
R1526
C9637
IC9607
R1527
IC9608
R3850
C9638
R1910
R1528
FL3401
R3851
C9639
R1911
FB655
R1529
FL3402
R3852
R3853
R9613
R3660
R3854
R9614
R3661
D9619
R3855
R3662
R3856
R3663
R9617
R3664
R9618
C9640
R1918
R3665
C9641
R1919
R3666
C9642
D1537
R3667
C9643
R3668
C9644
R650
R1534
R3669
C9645
D9621
L9501
R651
R1535
C9646
R652
R1536
C9647
R653
L9503
R1537
C9648
R654
R3861
C9649
R655
L9505
R3862
R656
L9506
R3863
R657
R3864
R9624
R658
R3671
R659
R3865
R9625
Q2501
FB2001
R3672
C2506
D1542
R3673
C2507
R3674
R9628
C9650
R1540
R3481
R3675
SC3181
C9651
R9629
Q2505
C2509
R1541
R3676
C9652
R1542
R3677
R1543
R3678
SC630
R660
R1544
R3679
C9655
C1761
R661
C2701
X2601
C1762
C9656
R662
C2702
C1763
C9657
R663
C2703
R9630
C9658
R664
C2704
R9631
C1765
C9659
R665
C2705
C1766
R666
C2706
C1767
R9633
R667
C2707
R3680
R9634
C1768
R668
C2708
C2514
R669
R3681
C1769
R9635
C2709
C2515
R3682
R2106
R3876
R9636
C2516
R3683
R2107
R3877
R9637
C2517
R3684
R9638
C9660
C2518
C630
R3685
R9639
C9661
C631
R1551
R3686
C9662
R3687
C9663
R3688
C9664
C2710
R3689
C1771
C9665
T9401
C2711
C1772
C9666
C2712
R1556
C1773
C9667
C637
C2713
R3498
R9640
C9668
C638
C2714
R3499
R9641
C9669
C639
C2715
R9642
C1776
C2716
C2522
R9643
C2717
C2523
R3690
R9644
C2524
FB9551
C2525
D2501
R9646
FB9552
D2502
C2526
R9648
C9670
C9671
C9672
C9673
C9674
SC650
C2720
C9675
C2721
R2505
C2722
R9650
C9679
R9651
R2509
IC2501
R9652
R9653
IC2503
R9654
P3301
R9655
R2701
R9656
R2702
R2703
C650
R2704
R2510
R9659
C651
R2511
C9682
R2706
C2153
C9683
R2707
C9684
C654
R2514
C9685
C655
R2709
R2515
IC2701
C9686
C656
R2516
C657
C2541
R2519
R9662
R9663
C2543
R9664
R9665
R2711
R9666
R9667
R2713
R9668
C660
R2520
C3101
C662
C663
C3105
C665
C666
L9552
R2526
C667
R2527
C2550
Q9695
C2551
C2552
C2553
C3301
L2605
C3302
L2606
L2607
R2530
L2608
R2532
C3307
R2533
C3309
D2151
C2560
C3501
C2561
C3502
C2562
C3503
C2563
L2613
C3504
R2154
C2564
L2614
C3311
C3505
L2615
C2565
C3312
C3506
L2616
C2566
C3507
R9687
C2567
C3508
R9688
C3315
C3509
IC1981
R2541
C3316
C3317
C3317
IC2153
R2543
C3318
C3510
R2160
C3511
R3101
R2549
C3512
R3102
R2162
R2163
C3513
C3320
C3514
C3321
C3515
R9696
C3516
R9697
C3323
C3517
R9698
D630
R2550
C3519
R3109
IC3102
C3328
C3329
SG9501 SG9502
R3303
C3520
R3110
C3521
R3111
VA505
SG9505
R3112
R3306
C3522
VA506
SG9506
C3523
R3113
VA507
C3524
R3114
VA508
C3525
R3115
IC3301
VA509
R3309
C3331
IC3302
IC3303
C3527
R3117
C3528
C3529
R3501
R3502
C3337
R3503
C3338
R3504
VA510
C3339
R3505
VA511
P9501
R3506
VA512
R3313
R3507
VA513
R3314
R3508
C3530
R3315
IC3501
C3531
R3509
R3316
IC3502
C3532
R3122
IC3503
R3123
IC3504
C3341
C1401
FB3801
X1301
VA519
C1402
FB3802
C1403
FB3803
R3510
C1404
FB3804
IC630
D650
R3511
C1405
FB3805
D651
C3346
R3512
D3322
C1406
FB3806
C1407
R3320
C3348
VA520
C3349
C1601
R3326
R502
C1602
R503
C1603
C3350
R504
C1604
Q1601
C3351
R3329
R505
C1605
C3352
FB1102
R506
Q1602
C1606
R507
FB1103
C1607
C3354
FB1104
C1608
FB1105
R509
J9401
C1609
C3357
C3358
C3359
R3331
SC3801
X1701
C9501
C9502
R3333
R3334
R510
C1610
R3335
R511
FB1301
C1611
R3336
R512
FB1302
C1612
R513
FB1303
C1613
FB1304
C3360
R514
C1614
C3361
R515
FB1305
C1615
C1616
C3363
FB3823
C1617
C3364
FB3824
R518
IC650
C1618
C3365
D1401
R519
C1619
R3341
P2001
R1401
L3801
R1402
L3802
C9512
P2002
R3343
R1403
L3803
C9513
FB1503
R1404
L3804
C9514
R520
C1620
R1405
L3805
C9515
R521
C1621
C9516
R1406
L3806
R522
C1622
R1407
C9517
L3807
R523
C1623
C3370
R3348
C9518
R1408
L3808
J630
C1624
C3371
IC1401
R1409
C9519
L3809
R525
C1625
C3372
R526
C1626
C3373
R527
C1627
C3374
C1628
R1601
C3375
C1629
R1602
C3376
R3350
R1410
L3810
C9520
R3351
R1411
L3811
L1101
SG9551
R3352
R1412
L3812
L1102
SG9552
R3353
R1413
C9523
L1103
R3354
R1414
R530
C1630
IC1601
R1415
R531
SC501
C1631
R3356
C9526
R1416
R532
C1632
R3357
R1417
C9527
C1633
R3358
C3380
R1418
R3359
C3381
C9529
R1419
R9501
C3382
R9502
C3383
R9503
C3384
R9504
C3385
C3386
C3387
C3388
C3388
R3360
R1420
C3389
R3361
R1421
C9531
R9509
C501
IC9501
R3362
R1422
IC9502
C502
R3363
C2003
R1423
IC9503
C503
R1424
C504
Q2001
R1425
C505
R3366
R1426
R3367
Q2003
R1427
R3368
R9510
R1428
R3369
C3391
C2009
R1429
SC1511
R9511
C3392
SC1513
FL3304
SC1514
R9514
SC1515
R9515
C3396
R9516
C3397
R9517
R3370
C2010
R1430
R3371
C3399
C2011
R1431
R9519
C511
R3372
R1432
C512
R1433
C513
R3374
R1434
R3375
R3181
R3377
R553
R3378
C2018
R9520
R3379
C2019
L1705
CN2601
L1706
L1707
L1708
R9524
L1709
R9525
R9526
R9527
R9528
L9601
L1901
R9529
L9602
L1902
R3383
L9603
C9553
R3384
L1710
L9604
C9554
R3385
D2001
L9605
R3386
L9606
L9607
C2603
L9608
R9530
Q2601
C2606
R2003
R2006
Q2606
R2007
C2030
C2031
IC2002
C2034
IC2004
C538
C2614
R2011
R2012
R578
R579
TH2001
R2019
FB2501
FB2503
C2044
R580
C2046
FB2507
C2624
FB2508
FB2509
C2049
R2024
R2602
R9556
R2027
R2028
C2051
C2052
R2608
IC2601
R2609
R2030
R2032
R2033
R597
R2034
R2611
R2613
R2614
R2039
R2615
R2617
D508
D509
L2501
R2042
L2502
L2503
R2044
L2504
R2048
P3801
P3802
R2626
D515
L2701
D516
L2702
L2703
C3400
L2704
X3301
L2705
R2051
R2052
L2706
L2707
C3404
L2708
R2055
IC503
R2637
R2638
R2638
R2060
R2062
R2063
R2640
C3415
R2641
R2067
R2068
R2069
FL2001
C3801 C3802
C3803 C3804
FB3301
C3805
SG9401
FB3302
C3806
SG9402
C3807
SG9403
R2070
C3808
SG9404
LUG3301
C3809
LUG3302
LUG3303
LUG3304
LUG3305
FB3309
R2651
LUG3306
C3810
R3400
R2654
C1101
C1102
C3813
FB3310
C3814
C1104
FB3311
C3815
P1701
C3816
P1702
C1106
C2682
C1107
C2683
C3817
C3818
C1108
C2684
R2081
C3819
C1109
C2685
R2082
C2686
C2687
C2688
C1301
J501
C2689
J502
C1302
J503
C1303
C3820
C1110
C1304
J504
C3821
C1111
C1305
C3822
C1306
C1112
R3607
C1307
C1113
C2690
C1115
C2691
C2692
C1117
C2693
8
1
2
3
4
5
6
7
9
10
G
F
E
D
C
B
A
