LG KU4000 Service Manual
Internal Use Only
MODEL : LG-KU4000
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1/65
LGE Internal Use Only
cam2
U202
cam5
R214
C310
C302
R300
R302
R305
R303
C305
C306
C307
C300
C301
C304
C308
ANT601
TP303
U300
C201
R201
TP302
TP300
TP304
D201
R204
C209
C211
R213
TP202
R221
C205
C227
C221
C200
R217
U200
R209
C222
R210
R202
C226
C202
R200
R226
C206
C207
D200
R223
R215R216
R224
R407
C216C217
C214
C220
R314
C454
C425
D402
Q400
R440
U301
U304
U305
C344
R413
C313
R310
C418
R309
C338
L300
L301
R219
C416
C315
C311C312
L405
C318
C340C341
C316
C314
C331C332
C223
C319
C337
C320
U303
C339
C321
R315
C324
R218
U302
C333
C325
C322
C335
C336
C329
C330
R311
R312
C334
C326
C317
R306
C323
C343
C327
R307
C328
R308
C149
C163
R304
C309
C161
C145
C134
C142
C156
C164
C160
C152
C166
C303
C159
C162
C143
R114
C168
TP301
C151
C146
C165
R118
C150
C141
C148
C153
U103
R116
C147
C167
C157
C135
C137
L122
C128
L124
C129
L125
F103
C132
C127
C136
C144
C131
L120
C133
L104
C106
C140
L121
R113
C169
C126
C130
C203C204
L110
L111
L116L117L118
C170
C171
L126
L127
L105
C121
C176
C113
C215
C120
C122
C116
SC1
C123C124
F102
L128
R106
C213
F101
C172
L106
C173
L107
C174
L108
C111
C210
C110
U102
C421
R415
C224
C407
R405
R420
U201
R220
C420
R412
D400
R222
R439
C415
R419
C413
U403
C437
R423
CON401
ANT602
C419
D401
R120
C114
C119
C108
C118
C117
C208
C115
R108
R110
C107
C218C219
U101
R205R206 R207 R208
F100
C102
R105
R107
R101
C212
R100
TP606
R111
C112
R225
C225
C104
L123
L103
C103
cam8
R103R104
CON400
cam1
Main PCB BOTTOM면
U402
(PMIC)
전원 불량
Q500
(TR)
MOTOR 불량
CON501
(64PIN CONN)
LCD,RCV,MOTOR,SPEAKER,
LCD Backlight, Camera 불량
U502
(20PIN CONN)
MIC, MULTI KEY, NUM KEY,
SIDE KEY 불량, Booting 불량
U601
TDMB 불량
U100
(Mobile
S/W)
송수신 불량
X100
(TCXO)
Booting 불량
CON501
(T-FLASH Socket)
T-FLASH 불량
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
31/65
LGE Internal Use Only
C412
C443
C442
L402
C441
L404
L403
R427
C440
C439
C417
R446
C438
R421
C411
R426
C446
R424
R425
C448
R422
R430
C429
C410
R431
C430
U402
C449
C422
R408
SC2
C628
C601
L604
C435
C431
R409
L603
R432
C432
C447
C627
C606
R601
R434
C433
C436
U600
C401
C405
C404
C426
R411
C428
C424
R437
TP603
C414
R402
R403
R435
C403
R429
C427
C602
R602
TP602
R428
C620
U400
L607
C607
C610
TP609
C400
R418
R417
R444
R445
R443
C445
C423
C402
C618
C608
C617
R604 R605
R517
L608
C406
C625
F600
Q500
R401
R400
R442
C624
R406
R211
R441
C619
R515
C615
R510
R516
U401
C527
R513
C524
R404
C509
TP501
TP502
TP201
TP200
R433
C512
R509
F500
C508
C526
C511
D507
R508
C516
R522
C514
C513
C517
R511
F505
F506
F507
R512
R526
R501
C504
CON500
R506
R507
C505
C510
R523
C525
R514
C519
C518
R500
F504
F503
C528
F501
F502
R447
D505 D506
C452
CON402
CON502
R115
C155
C158
C154
X100
C521
C520
C529
C507
C506
D504
D508
R117
U500
R119
L609
L610
ANT600
CON100
L605 L606
C609
C611
C612
C613
R603
C614
L100
U601
C616
C100
L101
TP605
C623
U602
U100
C621
C622
L102
C175
C101
CON501
R524
R519
R525
C523
C503
R505
R504
C502
R503
C501
R502
C500
CON200
Q501
C522
U502
R520
F_KEY TOP면
LED100,101,102,103
(LED)
LED 불량
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
32/65
LGE Internal Use Only
R103
LED100 LED101
C106
R105
SW123
SW124
SW121
SW118
SW119
SW115
SW113 SW114
SW117
SW116
R106 R107
LED102 LED103
SW122
SW120
SW112
SW125
SW100
SW101
SW102
SW104
SW105
SW106
SW108
SW109
SW110
SW103
SW107
SW111
F_KEY BOTTOM면
U100
(HALL IC)
폴더 on/off 불량
CON100
(20PIN CONN)
MIC, MULTI KEY, NUM KEY,
SIDE KEY 불량, Booting 불량
U100
(Antenna S/W)
송수신 불량
M100
(MIC)
MIC 불량
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
33/65
U101
(IrDA)
IrDA 송수신 불량
LGE Internal Use Only
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