LG 55UF6800 Service Manual page 55

VDDC VDDC
C14800 C14821 C14832
10uF 10uF 10uF
10V 10V 10V
AVDDL_DRV_MOD
L14804
BLM18PG121SN1D
C14807 C14818 C14827
10uF 0.1uF 0.1uF
10V 16V 16V
OPT
DVDD_DDR
L14805
BLM18PG121SN1D
C14816 C14824 C14830
C14808
10uF
0.1uF 0.1uF 10uF
16V 10V 10V
16V
AVDDL_DVI_RX
L14807
BLM18PG121SN1D
C14809 C14817 C14822
0.1uF 10uF
0.1uF
16V 16V 10V
AVDDL_HDMITX
L14806
BLM18PG121SN1D
C14810
C14819 C14828
0.1uF 10uF 0.1uF
16V 10V 16V
OPT
+3.3V_NORMAL
VDDP_AVDD_PLL
L14800
BLM18PG121SN1D
C14803 C14814 C14823 C14831
10uF 10uF 10uF 1uF
10V 10V 10V 10V
AVDD_MOD
L14801
BLM18PG121SN1D
C14811 C14820 C14829
C14802
10uF 10uF 10uF 0.1uF
10V
10V 10V 16V
AVDD_DVI_ALLRX
L14802
BLM18PG121SN1D
C14804
C14812 C14825
10uF
0.1uF 0.1uF
10V
16V 16V
AVDD_HDMITX
L14803
BLM18PG121SN1D
C14826
C14805 C14813
0.1uF
10uF
0.1uF
16V
10V
16V
OPT
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.
C14852 C14856 C14858 C14863
0.1uF 0.1uF 0.1uF 0.1uF
16V
16V 16V 16V
C14835 C14850 C14857 C14904
C14843
0.1uF 0.1uF 0.47uF
0.1uF
0.1uF
16V 16V 16V 6.3V
16V
4th Layer
Close to Chip side
C14860
C14839 C14848 C14854 C14864
1uF
0.1uF 1uF 0.1uF 0.1uF
10V
16V 10V 16V 16V
OPT
4th Layer
Close to Chip side
C14844
C14833 C14853
0.1uF 0.1uF 0.47uF
16V
16V 6.3V
OPT
4th Layer
Close to Chip side
C14846
0.1uF
16V
4th Layer
Close to Chip side
C14837 C14845 C14851 C14855
C14859 C14862
0.1uF 0.1uF 0.1uF 0.47uF
10uF 0.47uF
16V 16V 16V 6.3V
10V 6.3V
Close to Chip side
4th Layer
C14836 C14842 C14849
0.1uF 0.1uF 0.1uF
16V 16V 16V
+1.5V_U_DDR
C14867
10uF
10V
C14834
C14840
C14905
0.1uF 0.1uF 0.47uF
16V 6.3V
16V
4th Layer
Close to Chip side
+1.5V_U_DDR
L14808
BLM18PG121SN1D
URSA11
C14841
0.1uF
16V
4th Layer
Close to Chip side
C14868 C14872 C14876 C14878
1uF 10uF
10uF 0.1uF
10V 16V 10V 10V
4th Layer
Close to Chip side
C14869 C14871 C14873 C14875 C14879 C14880
10uF 10uF 0.1uF 0.1uF 0.1uF 0.1uF
10V 10V 16V 16V 16V 16V
AVDD_15_MOD
C14870 C14874
C14877 C14881
10uF 0.1uF
C14882
0.1uF 0.1uF C14883
10V 16V
16V 16V 0.47uF 10uF
6.3V
10V
4th Layer
Close to Chip side
IC12800
VDDC
LGE5352(URSA11)
N7
VDDC_1
N8
VDDC_2
P7
VDDC_3
P8
VDDC_4
P9
VDDC_5
R5
VDDC_6
R6
VDDC_7
R7
VDDC_8
R8
VDDC_9
R9
VDDC_10
T5
VDDC_11
T6
VDDC_12
T7
VDDC_13
T8
VDDC_14
T9
VDDC_15
T10
VDDC_16
U4
VDDC_17
U5
VDDC_18
U6
VDDC_19
U7
VDDC_20
U8
VDDC_21
AVDDL_DVI_RX U9
VDDC_22
U10
VDDC_23
M3
AVDDL_HDMIRX_1
W6
AVDDL_HDMIRX_2
W7
AVDDL_HDMIRX_3
C14888
AVDDL_HDMITX W8
AVDDL_HDMIRX_4
0.1uF
16V AB3
AVDDL_HDMITX_4
Y7
AVDDL_HDMITX_1
Y8
AVDDL_HDMITX_2
C14890 Y9
AVDDL_HDMITX_3
0.1uF
16V W9
AVDDL_LVDSRX/AVDDL_VBY1RX_1
W10
AVDDL_LVDSRX/AVDDL_VBY1RX_2
Y10
AVDDL_DRV_MOD
AVDDL_LVDSRX/AVDDL_VBY1RX_3
J8
AVDDL_MOD_1
J9
AVDDL_MOD_2
J10
AVDDL_MOD_3
K8
AVDDL_MOD_4
K9
AVDDL_MOD_5
K10
AVDDL_PREDRV_1
L8
AVDDL_PREDRV_2
L9
AVDDL_PREDRV_3
L10
AVDDL_PREDRV_4
DVDD_DDR M10
AVDDL_PREDRV_5
T16
DVDD_DDR_1
U16
DVDD_DDR_3
U17
DVDD_DDR_4
T17
DVDD_DDR_2
+1.5V_U_DDR
P15
AVDD_DDR0_1
P16
AVDD_DDR0_2
P17
AVDD_DDR0_3
R15
AVDD_DDR0_4
R16
AVDD_DDR0_5
R17
AVDD_DDR0_6
P19
AVDD_DDR1_1
P20
AVDD_DDR1_2
R19
AVDD_DDR1_3
R20
AVDD_DDR1_4
T19
AVDD_DDR1_5
T20
AVDD_DDR1_6
AVDD_15_MOD
J12
AVDD_15_MOD_1
K12
AVDD_15_MOD_2
L12
AVDD_15_MOD_3
M12
AVDD_15_MOD_4
AVDD_MOD
Y14
AVDD_MOD_1
Y15
AVDD_MOD_2
AA14
VDDP_AVDD_PLL AVDD_MOD_3
AA15
AVDD_MOD_4
W20
VDDP_1
Y20
VDDP_2
AA20
VDDP_3
AVDD_HDMITX
AC3
AVDD_HDMITX_1
AVDD_DVI_ALLRX Y13
AVDD_HDMITX_2
AA13
AVDD_HDMITX_3
P3
AVDD_HDMIRX_1
C14885
W12
AVDD_HDMIRX_2
0.1uF Y12
AVDD_HDMIRX_3
16V AA12
AVDD_HDMIRX_4
C14889
AA19
0.1uF AVDD_XTAL
W19
16V AVDD_PLL_1
Y19
AVDD_PLL_2
Y16
AVDD_LVDSRX/AVDD_VBY1RX_1
AA16
AVDD_LVDSRX/AVDD_VBY1RX_2
AA17
AVDD_LVDSRX/AVDD_VBY1RX_3
+1.5V_U_DDR
C14886 0.1uF 16V C14891 0.47uF 6.3V
A18
AVDD_DDR_VBP_A_1
B18
4th Layer C14892 0.22uF 16V OPT AVDD_DDR_VBP_A_2
R13
AVDD_DDR_VBP_A_3
R14
AVDD_DDR_VBP_A_4 DRAM_VDD_A_1
C14893 0.47uF 6.3V A16
AVDD_DDR_VBN_A_1 DRAM_VDD_A_2
B16
4th Layer AVDD_DDR_VBN_A_2
C14894 0.22uF 16V OPT
P13
AVDD_DDR_VBN_A_3
P14
AVDD_DDR_VBN_A_4
C14887 0.1uF 16V DRAM_VDD_B_1
C14895 0.22uF 16V OPT U18
AVDD_DDR_VBP_B_1 DRAM_VDD_B_2
U19
4th Layer
AVDD_DDR_VBP_B_2
C14896 0.47uF 6.3V
Y27
AVDD_DDR_VBP_B_3
Y28
C14897 0.22uF 16V OPT AVDD_DDR_VBP_B_4
V18
AVDD_DDR_VBN_B_1
4th Layer V19
AVDD_DDR_VBN_B_2
C14898 0.47uF 6.3V AB27
AVDD_DDR_VBN_B_3
AB28
AVDD_DDR_VBN_B_4
C14884
0.1uF
16V
IC12800
LGE5352(URSA11)
H1 C11
GND_1 GND_73
K1 G11
GND_2 GND_74
A2 H11 C19
GND_3 GND_75 GND_199
B2 J11 D19
GND_4 GND_76 GND_200
G2 K11 E19
GND_5 GND_77 GND_201
J2 L11 F19
GND_6 GND_78 GND_202
L2 M11 G19
GND_7 GND_79 GND_203
N2 N11 H19
GND_8 GND_80 GND_204
P2 P11 J19
GND_9 GND_81 GND_205
W2 R11 K19
GND_10 GND_82 GND_206
Y2 T11 L19
GND_11 GND_83 GND_207
AB2 U11 M19
GND_12 GND_84 GND_208
AC2 V11 N19
GND_13 GND_85 GND_209
AG2 W11 AB19
GND_14 GND_86 GND_210
Y11 AH19
GND_87 GND_211
AA11
GND_88
AB11
GND_89
D3 C12 C20
GND_15 GND_90 GND_212
E3 G12 D20
GND_16 GND_91 GND_213
F3 H12 E20
GND_17 GND_92 GND_214
T3 N12 F20
GND_18 GND_93 GND_215
U3 P12 G20
GND_19 GND_94 GND_216
V3 R12 H20
GND_20 GND_95 GND_217
Y3 T12 J20
GND_21 GND_96 GND_218
AE3 U12 K20
GND_22 GND_97 GND_219
AF3 V12 L20
GND_23 GND_98 GND_220
AG3 AB12 M20
GND_24 GND_99 GND_221
C13 N20
GND_100 GND_222
C4
GND_25
D13
GND_101
P4 E13
GND_26 GND_102
R4 F13 U20
GND_27 GND_103 GND_223
T4 G13 V20
GND_28 GND_104 GND_224
H13 AB20
GND_105 GND_225
J13
GND_106
K13
GND_107
L13
GND_108
M13 A21
GND_109 GND_226
V4 N13 B21
GND_29 GND_110 GND_227
W4 T13 C21
GND_30 GND_111 GND_228
U13 D21
GND_112 GND_229
AG4 V13 E21
GND_31 GND_113 GND_230
W13 F21
GND_114 GND_231
AB13 G21
GND_115 GND_232
H21
GND_233
D14 J21
GND_116 GND_234
P5 E14 K21
GND_32 GND_117 GND_235
V5 F14 L21
GND_33 GND_118 GND_236
W5 G14 M21
GND_34 GND_119 GND_237
H14 N21
GND_120 GND_238
J14 P21
GND_121 GND_239
K14 R21
GND_122 GND_240
L14 T21
GND_123 GND_241
B6 M14 U21
GND_35 GND_124 GND_242
K6 N14 V21
GND_36 GND_125 GND_243
M6 T14 W21
GND_37 GND_126 GND_244
N6 U14 Y21
GND_38 GND_127 GND_245
P6 V14 AA21
GND_39 GND_128 GND_246
V6 W14 AB21
GND_40 GND_129 GND_247
AB14 AG21
GND_130 GND_248
A7
GND_41
G7 B15
GND_42 GND_131
H7 D15 A22
GND_43 GND_132 GND_249
J7 E15 B22
GND_44 GND_133 GND_250
K7 F15 C22
GND_45 GND_134 GND_251
L7 G15 D22
GND_46 GND_135 GND_252
M7 H15 E22
GND_47 GND_136 GND_253
V7 J15 F22
GND_48 GND_137 GND_254
K15 G22
GND_138 GND_255
L15 H22
GND_139 GND_256
M15 J22
GND_140 GND_257
B8 N15 K22
GND_49 GND_141 GND_258
G8 T15 L22
GND_50 GND_142 GND_259
H8 U15 M22
GND_51 GND_143 GND_260
M8 V15 N22
GND_52 GND_144 GND_261
V8 W15 P22
GND_53 GND_145 GND_262
AA8 AB15 R22
GND_54 GND_146 GND_263
AB8 AF15 T22
GND_55 GND_147 GND_264
U22
GND_265
C16 V22
GND_148 GND_266
A9 D16 W22
GND_56 GND_149 GND_267
G9 E16 Y22
GND_57 GND_150 GND_268
H9 F16 AA22
GND_58 GND_151 GND_269
M9 G16 AB22
GND_59 GND_152 GND_270
N9 H16
GND_60 GND_153
V9 J16 A23
GND_61 GND_154 GND_271
AA9 K16 B23
GND_62 GND_155 GND_272
AB9 L16 C23
GND_63 GND_156 GND_273
M16 D23
GND_157 GND_274
N16 E23
GND_158 GND_275
V16 F23
GND_159 GND_276
B10 W16 Y23
GND_64 GND_160 GND_277
G10 AB16 AA23
GND_65 GND_161 GND_278
H10 AC16 AB23
GND_66 GND_162 GND_279
N10 AD16 AH23
GND_67 GND_163 GND_280
P10 AE16
GND_68 GND_164
R10 B17 A24
GND_69 GND_165 GND_281
V10 C17 B24
GND_70 GND_166 GND_282
AA10 D17 C24
GND_71 GND_167 GND_283
AB10 E17 D24
GND_72 GND_168 GND_284
F17 Y24
GND_169 GND_285
G17 AA24
GND_170 GND_286
H17 AB24
GND_171 GND_287
J17
GND_172
K17 C25
GND_173 GND_288
+1.5V_U_DDR
L17 J25
GND_174 GND_289
M17 M25
GND_175 GND_290
N17 R25
GND_176 GND_291
V17 V25
GND_177 GND_292
A20 C14899 0.1uF 16V W17 Y25
GND_178 GND_293
B20 Y17 AA25
GND_179 GND_294
AB17 AB25
GND_180 GND_295
R14800
AC17 AG25
0 GND_181 GND_296
URSA11P AD17
C14900 0.1uF 16V GND_182
A26 AG17
GND_183
B26 C18 C26
URSA11P GND_184 GND_297
D18 E26
GND_185 GND_298
E18 W26
GND_186 GND_299
Close to Chip F18 Y26
GND_187 GND_300
G18 AA26
GND_188 GND_301
H18 AB26
GND_189 GND_302
J18 AE26
GND_190 GND_303
K18
GND_191
L18 A27
GND_192 GND_304
M18 B27
GND_193 GND_305
N18 C27
GND_194 GND_306
AA27
GND_307
AG27
GND_308
J28
GND_309
W18 M28
GND_195 GND_310
Y18 R28
GND_196 GND_311
AA18 V28
GND_197 GND_312
AB18
GND_198
BSD-15Y-LM14A-148_00-HD
URSA11_Power