Download Print this page

LG 55UB820T Service Manual page 25

Hide thumbs Also See for 55UB820T:

Advertisement

IC100
LGE4331
+1.1V_VDDC
K10
VDDC_1
K11
VDDC_2
L10
VDDC_3
L11
VDDC_4
M10
VDDC_5
M11
VDDC_6
T10
VDDC_7
T11
VDDC_8
U10
VDDC_9
U11
VDDC_10
GND_10
V10
VDDC_11
GND_11
V11
VDDC_12
GND_12
AB10
VDDC_14
GND_13
AB11
VDDC_15
GND_14
AC10
VDDC_17
GND_15
AC11
+1.1V_DVDD_DDR
VDDC_18
GND_16
AA15
VDDC_13
GND_17
AB15
VDDC_16
GND_18
AC15
+1.1V_AVDDL_MOD
VDDC_19
GND_19
AB16
AVDDV_DVI
GND_20
GND_21
W21
AVDDL_MOD_1
GND_22
W20
AVDDL_MOD_2
GND_23
GND_24
M12
AVDDL_SSUSB_1
GND_25
M13
AVDDL_SSUSB_2
GND_26
GND_27
GND_28
+1.1V_VDDC_CPU
GND_29
GND_30
Y20
VDDC_CPU_1
GND_31
Y21
VDDC_CPU_2
GND_32
Y22
VDDC_CPU_3
GND_33
Y23
VDDC_CPU_4
GND_34
Y24
VDDC_CPU_5
GND_35
AA20
VDDC_CPU_6
GND_36
AA21
VDDC_CPU_7
GND_37
AA22
VDDC_CPU_8
GND_38
AA23
VDDC_CPU_9
GND_39
AA24
VDDC_CPU_10
GND_40
AB20
VDDC_CPU_11
GND_41
AB21
VDDC_CPU_12
GND_42
AB22
VDDC_CPU_13
GND_43
AB23
VDDC_CPU_14
GND_44
AB24
VDDC_CPU_15
GND_45
AC21
VDDC_CPU_16
GND_46
AC22
VDDC_CPU_17
GND_47
AC23
VDDC_CPU_18
GND_48
AC24
VDDC_CPU_19
GND_49
GND_50
L7
DVDD_NODIE
GND_51
C210
GND_52
1uF
GND_53
25V
Y19
VSENSE
GND_54
+1.1V_DVDD_DDR
GND_55
GND_56
GND_57
N19
DVDD_DDR_1
GND_58
N20
DVDD_DDR_2
GND_59
P19
DVDD_DDR_3
GND_60
P20
DVDD_DDR_4
GND_61
GND_62
+3.3V_AVDD33
GND_63
GND_64
GND_65
P7
AVDD_NODIE
GND_66
R7
AVDDP3P_ETH
GND_67
U7
AVDDP3P_USB
GND_68
V7
AVDDP3P_DVI_1
GND_69
W7
+3.3V_AVDD_AU33
AVDDP3P_DVI_2
GND_70
AA7
AVDDP3P_DADC
GND_71
AB7
+3.3V_AVDD_DMPLL
AVDDP3P_ADC
GND_72
AF7
AVDD_AU33
GND_73
AE7
AVDD_EAR33
GND_74
AF10
AVDD_DMPLL
GND_75
GND_76
+3.3V_VDDP33
GND_77
GND_78
GND_79
AF15
AVDD_MOD
GND_80
AF14
AVDD_PLL
GND_81
AE14
AVDD_LPLL
GND_82
AF12
VDDP_1
GND_83
DVDD18_EMMC
GND_84
+3.3V_VDDP33
GND_85
GND_86
AF17
VDDP_3318_A
GND_87
AF18
VDDP_2
GND_88
GND_89
VDDC15_M0
GND_90
GND_91
L19
AVDD_DDR0_1
GND_92
L20
AVDD_DDR0_2
GND_93
L21
AVDD_DDR0_3
GND_94
M19
AVDD_DDR0_4
GND_95
M20
AVDD_DDR0_5
GND_96
M21
AVDD_DDR0_6
GND_97
GND_98
L22
AVDD_DDR1_1
GND_99
M22
AVDD_DDR1_2
GND_100
N21
AVDD_DDR1_3
GND_101
N22
AVDD_DDR1_4
GND_102
P21
AVDD_DDR1_5
GND_103
P22
AVDD_DDR1_6
GND_104
AVDD5V_MHL
GND_105
GND_106
AF6
AVDD_HDMI_5V_PC
GND_107
GND_108
GND_109
D3
VDDC15_M0
GND_EFUSE
GND_110
GND_111
GND_112
GND_113
0.22uF
C211
GND_114
0.1uF
C200
A11
AVDD04_DDR_A_1
GND_115
B11
0.1uF
C201
0.22uF
C212
AVDD04_DDR_A_2
GND_116
A13
AVDD11_DDR_A_1
GND_117
0.22uF
C202
B13
AVDD11_DDR_A_2
GND_118
C213
GND_119
0.1uF
C203
0.22uF
GND_120
0.1uF
C204
AB31
AVDD04_DDR_B_1
GND_121
AB32
0.22uF
C205
0.22uF
C214
AVDD04_DDR_B_2
GND_122
AD31
AVDD11_DDR_B_1
GND_123
0.22uF
C206
AD32
AVDD11_DDR_B_2
GND_124
0.22uF
C207
GND_125
GND_126
M17
AVDD04_DDR_A_3
GND_127
0.22uF
C215
M18
AVDD04_DDR_A_4
GND_128
L17
0.22uF
C216
AVDD11_DDR_A_3
GND_129
L18
AVDD11_DDR_A_4
GND_130
0.22uF
C217
GND_131
GND_132
R22
0.22uF
C218
AVDD04_DDR_B_3
GND_133
T22
AVDD04_DDR_B_4
GND_134
R21
0.22uF
C219
AVDD11_DDR_B_3
GND_135
T21
AVDD11_DDR_B_4
GND_136
0.22uF
C220
+1.1V_AVDDL_MOD
GND_137
GND_138
AE31
AVDDL_MOD_3
GND_139
AE30
AVDDL_MOD_4
GND_140
0.1uF
C208
0.1uF
C209
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
11/05/31
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
IC100
LGE4331
N15
AA11
GND_141
GND_271
A14
N16
AA12
GND_1
GND_142
GND_272
A17
N17
AA14
GND_2
GND_143
GND_273
A20
N18
AA16
GND_3
A23
GND_144
GND_274
GND_4
N23
AA17
A26
GND_145
GND_275
GND_5
N24
AA18
A29
GND_146
GND_276
GND_6
N25
AA19
B12
GND_147
GND_277
GND_7
N26
AA25
B14
GND_8
GND_148
GND_278
B31
P8
AA26
GND_9
GND_149
GND_279
C3
P9
AB8
GND_150
GND_280
C11
P10
AB9
GND_151
GND_281
C12
P11
AB12
GND_152
C13
GND_282
P12
AB13
C14
GND_153
GND_283
P13
AB14
C31
GND_154
GND_284
P14
AB17
C32
GND_155
GND_285
P15
AB18
D17
GND_156
GND_286
P16
AB19
D20
GND_157
GND_287
D24
P17
AB25
GND_158
GND_288
D27
P18
AB26
GND_159
GND_289
D31
P23
AB27
GND_160
GND_290
D32
P24
AB28
E1
GND_161
GND_291
P25
AB29
E29
GND_162
GND_292
P26
AB30
E30
GND_163
GND_293
P29
AC7
E31
GND_164
GND_294
P32
AC8
F21
GND_165
GND_295
R8
AC9
F23
GND_166
GND_296
F24
R9
AC12
GND_167
GND_297
F25
R10
AC13
GND_168
GND_298
F26
R11
AC14
GND_169
GND_299
F27
R12
AC16
F28
GND_170
GND_300
R13
AC17
G8
GND_171
GND_301
R14
AC18
G9
GND_172
GND_302
R15
AC19
G10
GND_173
GND_303
R16
AC20
G11
GND_174
GND_304
R17
G12
AC25
GND_175
GND_305
G13
R18
AC26
GND_176
GND_306
G14
R19
AC27
GND_177
GND_307
G15
R20
AC28
GND_178
GND_308
G16
R23
AC29
G17
GND_179
GND_309
R24
AC30
G18
GND_180
GND_310
R25
AC31
G19
GND_181
GND_311
R26
AD7
G20
GND_182
GND_312
T7
AD8
G22
GND_183
GND_313
G23
T8
AD9
GND_184
GND_314
G24
T9
AD10
GND_185
GND_315
G25
T12
AD11
GND_186
GND_316
G26
T13
AD12
G27
GND_187
GND_317
T14
AD13
G30
GND_188
GND_318
T15
AD14
H3
GND_189
GND_319
T16
AD15
H7
GND_190
GND_320
T17
AD16
H8
GND_191
GND_321
T18
AD17
H9
GND_192
GND_322
H10
T19
AD18
GND_193
GND_323
H11
T20
AD19
GND_194
GND_324
H12
T23
AD20
GND_195
GND_325
H13
T24
AD21
H14
GND_196
GND_326
T25
AD22
H15
GND_197
GND_327
T26
AD23
H16
GND_198
GND_328
U8
AD24
H17
GND_199
GND_329
U9
AD25
H18
GND_200
GND_330
U12
H19
AD26
GND_201
GND_331
H20
U13
AD27
GND_202
GND_332
H21
U14
AD28
GND_203
GND_333
H22
U15
AD29
GND_204
GND_334
H23
U16
AD30
H24
GND_205
GND_335
U17
AE8
GND_206
GND_336
H25
U18
AE9
H26
GND_207
GND_337
U19
AE10
H27
GND_208
GND_338
U20
AE11
J7
GND_209
GND_339
U21
AE12
J8
GND_210
GND_340
U22
AE13
J9
GND_211
GND_341
U23
J10
AE15
GND_212
GND_342
J11
U24
AE16
GND_213
GND_343
J12
U25
AE17
GND_214
GND_344
J13
U26
AE18
GND_215
GND_345
J14
U29
AE19
J15
GND_216
GND_346
U32
AE20
J16
GND_217
GND_347
V8
AE21
J17
GND_218
GND_348
V9
AE22
J18
GND_219
GND_349
V12
AE23
J19
GND_220
GND_350
J20
V13
AE24
GND_221
GND_351
J21
V14
AE25
GND_222
GND_352
J22
V15
AE26
GND_223
GND_353
J23
V16
AE27
J24
GND_224
GND_354
V17
AE28
J25
GND_225
GND_355
V18
AE29
J26
GND_226
GND_356
V19
AF1
K7
GND_227
GND_357
V20
AF2
K8
GND_228
GND_358
V21
AF8
K9
GND_229
GND_359
K12
V22
AF9
GND_230
GND_360
K13
V23
AF13
GND_231
GND_361
K14
V24
AF19
GND_232
GND_362
K15
V25
AF20
K16
GND_233
GND_363
V26
AF21
K18
GND_234
GND_364
W8
AF22
K19
GND_235
GND_365
W9
AF23
K21
GND_236
GND_366
W10
AF24
K23
GND_237
GND_367
W11
K24
AF25
GND_238
GND_368
K25
W12
AF26
GND_239
GND_369
K26
W13
AF27
GND_240
GND_370
L8
W14
AF28
GND_241
GND_371
L9
W15
AF29
L12
GND_242
GND_372
W16
AG1
L13
GND_243
GND_373
W17
AG2
L14
GND_244
GND_374
W18
AG3
L15
GND_245
GND_375
W19
AG7
L16
GND_246
GND_376
L24
W22
AG8
GND_247
GND_377
L25
W23
AG9
GND_248
GND_378
L26
W24
AG27
GND_249
GND_379
L29
W25
AH3
L32
GND_250
GND_380
W26
AH4
M7
GND_251
GND_381
Y7
AH5
M8
GND_252
GND_382
Y8
AH6
M9
GND_253
GND_383
Y9
AH7
M14
GND_254
GND_384
Y10
AH8
M15
GND_255
GND_385
M16
Y11
AH9
GND_256
GND_386
M23
Y12
AH30
GND_257
GND_387
M24
Y13
AJ6
GND_258
GND_388
M25
Y14
AJ7
M26
GND_259
GND_389
Y15
AJ8
N7
GND_260
GND_390
Y16
AJ23
N8
GND_261
GND_391
Y17
AK5
N9
GND_262
GND_392
Y18
AK8
N10
GND_263
GND_393
Y25
AK29
N11
GND_264
GND_394
N12
Y26
AL2
GND_265
GND_395
N13
Y29
AL3
GND_266
GND_396
N14
Y32
AL4
GND_267
GND_397
AA8
AL23
GND_268
GND_398
AA9
AM14
GND_269
GND_399
AA10
GND_270
+1.1V_Bypass Cap
+1.1V_CORE
+1.1V_VDDC
L201
MLB-201209-0120P-N2
5A
C221
C228
10uF
10uF
10V
10V
+1.15V_CPU
+1.1V_VDDC_CPU
L202
BLM18SG700TN1D
4A
C284
C229
10uF
10uF
10V
10V
+3.3V_Bypass Cap
+3.3V_NORMAL
+3.3V_AVDD_DMPLL
L206
BLM18PG121SN1D
2A
C250
C253
C237
0.1uF
0.1uF
C222
10uF
10uF
10V
10V
+3.3V_AVDD33
L203
BLM18PG121SN1D
2A
+3.3V_AVDD_AU33
L204
BLM18PG121SN1D
2A
+3.3V_VDDP33
L205
BLM18PG121SN1D
2A
C240
10uF
10V
+1.5V_Bypass Cap
+1.5V_DDR
VDDC15_M0
L200
BLM18PG121SN1D
+1.1V_VDDC
+1.1V_AVDDL_MOD
L208
BLM18SG700TN1D
4A
+1.1V_DVDD_DDR
L207
BLM18PG121SN1D
2A
GND JIG POINT
5V_HDMI_3
AVDD5V_MHL
R200
10
UB83
LM14 POWER
2013-10-28
02
LGE Internal Use Only

Hide quick links:

Advertisement

loading

This manual is also suitable for:

55ub820t-th55ub829y55ub829y-th