DOWNLOAD Sharp LC-50LE771E Service Manual ↓ Size: 37.45 MB | Pages: 127 in PDF or view online for FREE

Model
LC-50LE771E
Pages
127
Size
37.45 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-50le771e.pdf
Date
PREV: Sharp LC-50LE761K (serv.man10) Service Manual / Technical Bulletin

Sharp LC-50LE771E Service Manual ▷ View online

97
LC-42/50LE772
LC-42/50LE771
POWER SUPPLY 42” 17IPS71-R3   2/2
CO
N_
A
C
10R
R88
+24
17ips71-r3
<YOUR NAME HERE>
2
2
19-11-2013_13:35
8
7
6
5
4
3
2
1
A
B
C
D
E
F
AX M
1
2
3
4
5
6
7
8
A
B
C
D
E
F
A3
PROJECT NAME :
SCH NAME :
DRAWN BY :
T. SHT:
Q19
FQD7N10L
+24
16V
10u 
C300
16V
10u 
C23
C24
16V
10u 
Vp
Vp
Vp
R298
10k
V_LED+
SB5100
D29
CON_AC
S46
17u 
L8
1
2
4
3
S19
10R
R71
R72
10R
+24VCC_SW
R73
10R
10R
R74
F2
50R
F3
50R
50R
F4
C50
25V
1u 
V_LED+
47p 
2kV
C44
V_
SW
S2
1
L1
47u 
L2
47u 
35V
2m
2 
C8
8
S20
+24VCC
LED2_S
S43
S18
S44
LED3_S
LED4_S
S45
100R
R299
VCC_LED
LED4
LED4_S
OVP_LED
16V
10u 
C301
FQD7N10L
Q18
LED2_S
LED2
VCC_LED
100R
R110
10k
R87
C9
0
47u 
200V
25V
C74
470n 
LED3
MP3394
U3
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LED3
LED2
LED1
OVP
ISENSE
GATE
VIN
VCC
LED4
BOSC
ISET
OSC
GND
DBRT
EN
COMP
470n 
25V
C75
R89
270R
C76
16V
330n 
R90
270R
PWM_DIM
C77
330n  16V
330k
R111
S54
R113
6k8
100k
R3
VCC_LED
LED4
S55
LED2
LED1
C78
10V
2u2 
OVP_LED
CS_LED
C79
2u2 
10V
GATE_LED
50V
10u 
C83
C84
10u 
50V
C80 10V
2u2 
330k
R112
BL_ON-OFF
25V
1u 
C51
C22
47u 
50V
VCC_LED
V_
SW
+12VCC
LED1_S
LED2_S
S47
S48
S49
S50
S51
S52
S53
LED3
LED2
LED4
LED3
LED2
LED1
LED4
LED1
LED3
LED2
LED1_S
LED2_S
LED4_S
LED3_S
LED4_S
LED3_S
LED2_S
LED1_S
V_LED+
V_LED+
CN6
7
6
5
4
3
2
1
100R
R104
C65
1n 
50V
R105
100R
100R
R106
R107
100R
R5
8
10R
10R
R5
9
10R
R6
0
R6
1
10R
10R
R6
2
R6
3
10R
R6
4
10R
V_LED+
R65
10R
R66
10R
10R
R67
10R
R68
R69
10R
R70
10R
50R
F5
F6
50R
50R
F7
F8
50R
C49
1u 
25V
+24
Q17
FQD7N10L
D21
1N4148
R78
10R
SB5100
D27
R86
10k
L6
150u 
47u 
L7
BC858B
Q14
GATE_LED
C8
7
2m
2 
35V
D28
SB5100
BL_ON-OFF
+24
CN7
1
2
3
4
5
6
7
8
PWM_DIM
C45
2kV
47p 
CS_LED
Vp
V_SW
Tapped Coil Option
LED DRIVER 
BOOST INPUT VOLTAGE
LED DRIVER VCC CONNECTION
BOOSTED OUTPUT
CHANNEL OPTIONS
POWER BOARD to LED BARS CONNECTION
OUTPUT DIODE RC SNUBBER CIRCUIT
LED DRIVER SINK MOSFET OPTION
98
LC-42/50LE772
LC-42/50LE771
POWER SUPPLY 50” 17IPS20-R6   1/3
17ips20s-r6
<YOUR NAME HERE>
3
23-09-2013_14:11
1
8
7
6
5
4
3
2
1
A
B
C
D
E
F
A X M
1
2
3
4
5
6
7
8
A
B
C
D
E
F
A3
PROJECT NAME :
VESTEL
SCH NAME :
DRAWN BY :
T. SHT:
CN100
2
1
C115
1n 
4kV
C113
1n 
4kV
50V
1u 
C117
S103
S108
CN101
2
1
S112
S115
FS100
3.15A/250V
3.15A/250V
FS101
S118
V100
510V/?pF
V_1
V_2
V_4
V_3
LF100
4
32
1
LF101
4
32
1
D214
RS1008FL
HS7
P21
P24
450V
1u 
C110
S104
S100
S105
S106
S109
S113
S116
S101
10R
TH100
10R
TH101
TH102
10R
10R
TH103
S110
V_5
V_6
FQT1N60C
Q101
R110
10R
10R
R100
VCC
S528
UF5402
D506
P25
800R
F102
F105
800R
S117
S102
4kV
1n 
C533
V_10
GND4
50V
1u 
C227
R107
10R
10R
R108
S111
V_11
100R
R129
10R
R109
V_7
V_8
GND4
C240
1m 
16V
150u 
L100
C111
1u 
450V
70R
F100
70R
F101
UF5402
D101
C103
39u 
450V
450V
39u 
C104
C105
39u 
450V
+400V
S564
RL207
D100
ZCD
FQPF9N50C
Q100
GATE_PFC
R112
56k R113
56k
+400V
2kV
47p 
C100
47p 
2kV
C102
CS_PFC
FAN7529
U101
5
6
7
8
4
3
2
1 INV
COMP
MOT
CS
VCC
OUT
GND
ZCD
VCC
C127
25V
10u 
100R
R125
R130
100R
R123
100R
BC858B
Q102
R128
100R
CS_PFC
GATE_PFC
1N4148
D111
C128
50V
1n 
R132
100R
ZCD
C5V1
D109
1n 
C131
50V
100R
R126
+400V
C126
100p 
50V
C130
100p 
50V
R131
100R
C133
100p 
50V
R124
100R
C129
100p 
50V
D110
1N4148
S513
CS_PFC
C5V1
D108
100p 
50V
C132
R133
100R
100R
R127
ZCD
INV
10K
R115
R117
10K
R118
10K
R114
100R
100R R116
VCC
S119
INV
+400V
R291
10R
S566
S223
10R
R290
C295
1u 
50V
F513
26R
26R
F514
R289
10R
F515
26R
DRAIN_M
26R
F516
TR200
8
7
2
13
14
1
6
9
5
10
N1
N2
N3
N4
+400V
Q211
FQPF8N60C
C206
47p 
2kV
56k
R235
120R
R228
R217
10R
R222
10k
R230
10R
BC858B
Q215
GATE_M
10R
R242
50V
1n 
C214
CS_M
BA159
D206
2kV
47p 
C222
100k
R251
R263
100k
100k
R267
100k
R221
100k
R234
100k
R252
100k
R264
100k
R268
100k
R209
100k
R229
+400V
C207
1m 
16V
S217
D215
1N4148
D510
BA159
1n 
50V
C219
TR202
1
12
15
2
16
6
N1
N2
N3
DRAIN_M
U200
TCET1102G
4
3
2
1
D201
C12V
BA159
D511
R280
10k
FB_M
+12VCC
1k
R236
TL431SAMF2
U203
D204
C6V8
Q204
BC848B
ST_BY
1n 
50V
C230
1k
R255
1k R211
1k R223
+12VCC
1k
R237
1n 
C202
50V
1k
R244
1n  50V
C201
12V_DC
12V_AC
PIN_9
24V_AC
D209
D210
D211
SB5100
D207
D208
S557
12V_DC
1N4148
D105
S559
12V_AC
24V_AC
25V
1m 
C209
C210
1m 
25V
25V
1m 
C211
C212
1m 
25V
L200
1u 
+12VCC_S
24V_AC
12V_AC
PIN_9
S567
S213
12V_AC
PIN_9
S231
S215
P22
1N4148 D213
1k R254
1N4148
D106
R214
1k
1k
R226
50V
C215
1n 
Q200
BC848B
ST_BY
R240
1k
1k
R247
BC848B
Q201
ST_BY
1k
R227
D1
C5V1
1k
R241
1n 
C231
50V
1k
R248
C203
50V
1n 
C216
50V
1n 
R260
1k
1k
R259
R215
1k
Q202
BC848B
R216
1k
Q203
BC848B
1k
R204
C224
16V
22u 
+12VCC_SW
12V_DC
FDS4685
Q214
FDS4685
2
3
1
8
7
4
6
5
50V
1n 
C220
1n 
C226
50V
S214
S224
50V
1m 
C217
16V
22u 
C229
D202
C12V
D203
C12V
R205
1k
1k
R206
1k
R207
Q209
BC848B
AUDIO_REG
AUDIO_REG
AUDIO_VCC_M
S220
12V_DC
R218
10R
10R
R231
R249
10R
10R
R261
10R
R265
R219
10R
10R
R232
R250
10R
C232
220n 25V
25V220n 
C204
C237
1u 
25V
25V
1u 
C238
D220
10R
R1
D221
S568
V_9
C213
1m5 
35V
P77
V_3
10R
R2
D223
C280
2m2 
35V
GBU8K
D104
C124
1u 
50V
50V
1u 
C125
V_4
C2593
10u 
25V
25V
10u 
C2594
AUDIO_VCC_M
+12VCC_SW
P78
C200
1m 
25V
ZCD
C120
1u 
50V
10R
R119
R120
10R
SW_OFF_PFC
1N4148
D212
R121
10R
V_9
C199
1m 
16V
R150
100R
1k
R122
50V
10p 
C121
C123
10p 
50V
D103
1N4148
TR100
3
1
4
6
N1
N2
RL100
1
4
3
2
D107
1N4148
V_41
C548
10n 
1kV
GND4
630V
4n7 
C208
450V
39u 
C534
C109
1n 
4kV
1k
R528
4kV
1n 
C112
4kV
1n 
C107
C106
1n 
4kV
4kV
1n 
C114
4kV
1n 
C108
S529
S222
P1
P2
P3
P4
S534
10R
R529
ZCD
S545
10k
R281
2kV
47p 
C546
F508
26R
26R
F509
70R
F505
P64
P65
+400V
P59
P61
P26
P27
P29
P30
P28
P53
P58
12V_AC
P31
P60
P54
+12VCC
R243
10R
12V_AC_1
D515
HER207
AUX_M
24V_AC
12V_DC
PIN_9
S558
D222
VCC_MAIN
1n 
50V
C122
L502
1u 
35V
2m2 
C281
35V
2m2 
C282
pcap
35V
2m2 
C283
C277
50V
1n 
1k
R279
C284
2m2 
35V
TR101
2
1
3
4
NP
NPD
V_10
V_11
U202
5
6
7
8
4
3
2
1 DET
FB
CS
GND
HV
NC
VDD
GATE
FAN6300
AUX_M
10R
R253
50V
1n 
C225
FB_M
CS_M
D298
C18V
50V
10p 
C299
12V_AC_1
GATE_M
VCC_MAIN
R296
10R
VCC_MAIN
C296
1u 
50V
10R
R297
C2584
100n 
50V
50V
100n 
C2585
S569
C2586
100n 
50V
AUX_M
D225
D226
D229
C2595
10u 
25V
Q210
FDS4685
2
3
1
8
7
4
6
5
C5V1
D2
S1
R3
10R
10R
R4
S2
SOFT_START
OPS. TR100 PFC TRAFOSU
D220 SOGUTUCU OPS.
99
LC-42/50LE772
LC-42/50LE771
POWER SUPPLY 50” 17IPS20-R6   2/3
HS5
C2588
100n 
50V
cap
V_21
HS6
10R
R6
R7
10R
10R
R357
D301
1N4148
R360
10R
D308
1N4148
10R
R5
BC848B
Q303
S300
C374
4n7 
630V
D3
1N4148
C306
4n7 
630V
D352
RS1002FL
R399
4k7
S565
56k
R574
1k
R212
+5V_STBY
C218
10u 
10V
C205
10u 
10V
D205
C6V8
R256
1k
Q212
BC337
+12VCC
VCC
S219
D216
1N4148
VCC
C6V8
D200
BC848B
Q208
+12VCC
10k
R271
R270
10k
Q216
BC327
VCC_MAIN
R258
1k
1k
R246
R239
1k
R225
1k
R213
1k
BC848B
Q207
+12VCC
ST_BY
1k R257
1k
R245
R238
1k
R224
1k
BC848B
Q206
Q205
BC848B
17ips20s-r6
<YOUR NAME HERE>
3
20-09-2013_16:21
2
8
7
6
5
4
3
2
1
A
B
C
D
E
F
A X M
1
2
3
4
5
6
7
8
A
B
C
D
E
F
A3
PROJECT NAME :
VESTEL
SCH NAME :
DRAWN BY :
T. SHT:
GATE_S
VCC
VCC
10R
R396
1u 
50V
C377
+24-80V_FB
TCET1102G
U301
4
3
2
1
+24-80V_FB
TR300
8
7
2
13
14
1
6
9
5
10
N1
N2
N3
N4
D350
C18V
1k
R364
D303
UF5402
+24-80V_FB
R371
10k
+24-80V_AC
50V
1n 
C300
R367
1k
1n 
50V
C310
R566
10R
R567
10R
C301
1n 
1kV
U201
TCET1102G
4
3
2
1
UF5402
D360
R568
10R
HS4
HS9
1k
R545
R372
1k
+24-80V
R374
1k
R376
1k
1k
R365
UF5402
D306
C302
1u 
25V
TL431SAMF2
U302
R368
1k
FB_S
10R
R558
50V
1n 
C314
L201
50R
R559
10R
R373
10k
D309
UF5402
UF5402
D313
D314
UF5402
D311
1N4148
UF5402
D304
50V
C304
1m 
+400V
R342
100k
R304
100k
100k
R316
100k
R326
R334
100k
R343
100k
R305
100k
R317
100k
R362
100k
R369
100k
C30347p 
2kV
D302
HER207
CS_S
C319
1n 
50V
10R
R311
GATE_S
BC858B
Q300
10R
R321
D305
1N4148
R366
10k
R329
10R
56k
R320
47p 
2kV
C312
FQPF8N60C
Q301
+400V
+24-80V_AC
PIN_5_SLAVE
PIN_9_SLAVE
S308
1m 
C318
50V
50V
C317
1m 
D361
UF5402
L300
1u 
1m 
C316
50V
+24-80V
50V
C315
1m 
AUDIO_VCC_S
AUDIO_VCC_S
+24-80V
56k
R380
HS3
S303
D526
1N4148
PIN_9_SLAVE
PIN_5_SLAVE
PIN_9_SLAVE
S555
S556
C1
10p 
50V
V_20
D356
SF10L60U
SF10L60U
D357
HS10
S551
S552
+24-80V
10R
R336R345
10R
10R
R310
10R
R300
R312
10R
10R
R322
R338
10R
+24-80V_FB
10R
R569
+12VCC_SW
10R
R330
R339
10R
10R
R301
R313
10R
10R
R323
R331
10R
R340
10R
R302
10R
10R
R314
R324
10R
R332
10R
R341
10R
10R
R303
10R
R315
10R
R325
10R
R333
10R
R570
+24-80V
R571
10R
R572
10R
F1
800R
PIN_1
Q506
BSH103
10R
R573
D307
1N4148
R307
100R
V_20
10R
R348
R527
10R
R355
10R
D310
C5V1
SW_OFF_S
S3
S4
swjump
HS1
S514
R546
10R
C550
1n 
4kV
PL6
PL5
GND3
S553
S554
C395
1m5 
35V
SW_OFF_S
BC848B
Q306
VCC
BC848B
Q302
Q304
BC848B
10R
R358
R361
10R
VCC
R346
10R
C320
1m 
16V
10R
R350
R353
10R
VCC
D312
C11V
10R
R356
SW_OFF_PFC
BC848B
Q308
10R
R359
10R
R347
10R
R351
BC848B
Q305
C305
47u 
50V
R375
10k
BC848B
Q309
HS2
SW_OFF_PFC
10R
R354
FB_M
Q307
BC848B
10R
R349
FB_S
S301
PL4
DRAIN_S
+24-80V_AC
DRAIN_S
+400V
AUX_S
AUX_S
VCC
R306
10R
PL3
PL2
R542
10R
C397
1u 
50V
C529
10p 
50V
C547
47p  2kV
C530
10p 
50V
C531
10p 
50V
C532
10p 
50V
C394
1m5 
35V
35V
1m5 
C393
C392
1m5 
35V
D507
UF5402
35V
1m5 
C391
PL1
GND4
HER207
D370
R398
1M
10R
R387
10R
R386
F506
70R
70R
F507
C6V8
D519
DRV
DRV
VCC
V_20
P37
P38
P39
D512
BA159
P40
BA159
D513
P41
P36
P35
P33
P32
P42
P43
P44
P45
P46
P47
P48
P49
P55
P56
PIN_5_SLAVE
10R
R377
10R
R385
10R
R384
R383
10R
R382
10R
SW_OFF_S
10R
R539
C6V8
D509
10R
R540
R541
10R
D516
HER207
U300
FAN6300
FAN6300
5
6
7
8
4
3
2
1 DET
FB
CS
GND
HV
NC
VDD
GATE
FAN6300
PIN_5_SLAVE
R397
10R
D354
SF10L60U
S550
C5V1
D518
R381
10R
D351
C18V
50V
10p 
C398
D525
C18V
SF10L60U
D355
C2589
100n 
50V
50V
100n 
C2590
C223
1m 
16V
TR301
1
12
15
2
16
6
N1
N2
N3
C2579
1n 
1kV
C399
10p 
50V
AUX_S
C2587
100n 
50V
FB_S
CS_S
C396
1u 
50V
C370
1n 
1kV
16V
1m 
C536
R389
10R
R391
10R
R392
10R
10R
R393
10R
R394
10R
R388
C2591
1n 
1kV
1kV
1n 
C2592
S5
S6
SOFT_START
MOSFET_S_40MM
MOSFET_PFC+BRIDGE
MOSFET_LED
MOSFET_PFC
PRIMER SIDE KORUMA DEVRESI
MOSFET_S_12MM
SLAVE DELAY DEVRESI
OPS. EFD43_80V-100W
MOSFET_M
SLAVE SIDE DE-SARJ
SLAVE CIKIS DIYOT
opsiyonel
opsiyonel
opsiyonel
SLAVE FEEDBACK OPTOCOUPLER SUPPLY
AUDIO DESARJ
PRIMER SIDE VCC SWITCH DEVRESI
+5V STAND-BY REGULASYONU
100
LC-42/50LE772
LC-42/50LE771
POWER SUPPLY 50” 17IPS20-R6   3/3
C151
56n 
275V
275V
470n 
C149
100n 
275V
C152
V_7
4kV
1n 
C236
4kV
1n 
C268
D113
RL207
D115
RL207
2kV 47p 
C135
C134
47p 
2kV
V_9
47p  2kV
C137
2kV
47p 
C136
V_8
D112
RL207
WD2
WD1
WD2
WD1
U100
CAP002DG
5
6
7
8
4
3
2
1 NC1
D1-1
D1-2
NC2
VCC
D2-1
D2-2
NC3
V_4
V_3
1M
R111
1M
R105
BL_ON-OFF
C142
56n 
275V
F519
50R
+24-80V
R564
100R
100R
R565
S561
PIN_1
CN3
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ST_BY
BL_ON-OFF
PWM_DIM
+5V_STBY
+12VCC_S
+12VCC_S
S526
+12VCC_S
+12VCC_S
S522
CN4
12
11
10
9
8
7
6
5
4
3
2
1
PIN_1
S203
PIN_3
+12VCC_S
CN200
8
7
6
5
4
3
2
1
PWM_DIM
LED3_S
50R
F511
F512 50R
50R
F518
PIN_1
C538
2kV
47p 
R534
270R
OVP_LED
50V
1m 
C504
C2582
560u 
35V
35V
560u 
C2583
C513
10u 
50V
R513
10R
+24-80V
LED4_S
S531
LED1_S
+12VCC_S
LED2_S
S505
S502
S512
+12VCC_SW
LED3_S
LED2_S
100R
R515
R511
100R
100R
R506
10R
R553
R552
10R
R548
10R
10R
R551
R550
10R
10R
R549
10R
R547
50V
1m 
C505
V_LED+
10R
R509
R500
10R
10R
R518
R514
10R
F503
50R
50R
F502
F501
F500
25V
1u 
C502
+24-80V
Q502
Q503
470n 
C511
25V
LED3
1N4148
D502
10R
R502
D504
SB5100
10k
R516
150u 
L501
U500
MP3394
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
COMP
EN
DBRT
GND
OSC
ISET
BOSC
LED4
VCC
VIN
GATE
ISENSE
OVP
LED1
LED2
LED3
C507
25V470n 
+5V_STBY
270R
R508
PWM_DIM
L500
47u 
330n 16V
C501
270R
R533
PWM_DIM
16V
330n 
C515
R504
330k
S503
6k8
R520
R512
100k
LED2_S
S533
S530
LED4_S
LED3_S
LED2_S
LED1_S
S510
S507
S532
S504
S501
S511
LED3
LED2
LED4
LED3
LED2
LED1
LED4
LED1
LED3
LED2
LED1_S
LED2_S
LED4_S
LED3_S
V_LED+
V_LED+
CN501
1
2
3
4
5
6
7
+24-80V
BL_ON-OFF
ST_BY
F521
50R
Q510
LED1_S
LED1
VCC_LED
LED4
S500
LED2
LED1
2u2 
10V
C514
OVP_LED
CS_LED
Q500
BC858B
10R
R202
S200
C234
1n  4kV
R203
10R
GND3
AUDIO_VCC_S
R200
10R
10R
R201
AUDIO_VCC_M
F517
50R
S211
C500
50V
1n 
C510
10V
2u2 
VCC_LED
GATE_LED
GATE_LED
D501
SB5100
D503
PIN_3
PIN_4
PIN_4
D114
RL207
R104
1M
1M
R103
R102
1M
R101
1M
17ips20s-r6
<YOUR NAME HERE>
3
18-09-2013_17:29
3
8
7
6
5
4
3
2
1
A
B
C
D
E
F
A X M
1
2
3
4
5
6
7
8
A
B
C
D
E
F
A3
PROJECT NAME :
VESTEL
SCH NAME :
DRAWN BY :
T. SHT:
V_41
C235
1n  4kV
R560
100R
res
SMD_0805_1/10W_100R_J
R562
10k
res
SMD_0805_1/10W_10k_J
100R
R561
res
SMD_0805_1/10W_100R_J
VCC_LED
LED4
10k
R563
res
SMD_0805_1/10W_10k_J
Q511
LED4_S
4kV
1n 
C233
LED4
275V
220n 
C140
275V
56n 
C145
C148
470n 
275V
C139
220n 
275V
C144
56n 
275V
C146
56n 
275V
C153
275V
100n 
275V
100n 
C154
275V
220n 
C141
V_3
V_4
V_2
D528
ZENER
C10V_SOD123
D529
ZENER
C10V_SOD123
V_1
275V
56n 
C143
R556
10R
D530
ZENER
C10V_SOD123
2u2 
10V
C519
R522
330k
47p 
2kV
C523
CS_LED
BL_ON-OFF
C138
56n 
275V
V_5
V_6
4M7
R299
D531
ZENER
C10V_SOD123
C526
1u 
25V
D527
1N4148
R557
10R
2X6 PINLI MB SOKET OPS.
20mm opsiyonel
LED DRIVER SINK MOSFET OPS.
LED DRIVER
SOKET
LED DRIVER DÖNUS OPS.
WO/CONVERTER SOKET OPS.
LED DRIVER CIRCUIT
MB SOKET OPSIYONLARI
WITHDRAWAL DE-SARJ
X_CAP KOMBINASYONU
DISCRETE BRIDGE OPS.
PRIMER-SECONDER ARA MALZEMELER
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