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LG 55EC940V Service Manual page 27

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IC101
DVDD33
LG1311
+1.1V_VDD
L18
M20
DVDD33_1
DVDD11_1
L21
M21
DVDD33_2
DVDD11_2
L22
N13
DVDD33_3
DVDD11_3
L23
N14
DVDD33_4
DVDD11_4
M23
N15
DVDD33_5
DVDD11_5
T11
N16
DVDD33_6
DVDD11_6
Y23
N17
DVDD33_7
DVDD11_7
AA23
N18
DVDD33_8
DVDD11_8
P20
AC12
DVDD33_9
DVDD11_9
AC13
P21
DVDD33_10
DVDD11_10
AC14
R13
DVDD33_11
DVDD11_11
AC15
R14
DVDD33_12
DVDD11_12
AC11
R15
AVDD33_BT_USB
DVDD11_13
VDD3V3_HDMI
P23
R16
AVDD33_USB_1
DVDD11_14
R23
R17
AVDD33_USB_2
DVDD11_15
T23
R18
AVDD33_HDMI_1
DVDD11_16
U23
R19
AVDD33
AVDD33_HDMI_2
DVDD11_17
C637
V23
R20
AVDD33_HDMI_3
DVDD11_18
0.1uF
R21
16V
DVDD11_19
AF22
T13
AVDD33_CVBS
DVDD11_20
T20
DVDD11_21
T21
DVDD11_22
+1.5V_DDR
F9
U14
DVDD15_M0_1
DVDD11_23
F10
U15
DVDD15_M0_2
DVDD11_24
F11
U16
DVDD15_M0_3
DVDD11_25
F12
U17
DVDD15_M0_4
DVDD11_26
F13
U18
DVDD15_M0_5
DVDD11_27
F14
U19
DVDD15_M0_6
DVDD11_28
F15
U20
DVDD15_M0_7
DVDD11_29
F16
U21
DVDD15_M0_8
DVDD11_30
F17
V13
DVDD15_M0_9
DVDD11_31
V20
DVDD11_32
+1.5V_DDR
G6
V21
DVDD15_M1_1
DVDD11_33
H6
W13
DVDD15_M1_2
DVDD11_34
J6
W14
DVDD15_M1_3
DVDD11_35
K6
W15
DVDD15_M1_4
DVDD11_36
L6
W16
DVDD15_M1_5
DVDD11_37
M6
W17
DVDD15_M1_6
DVDD11_38
N6
W18
DVDD15_M1_7
DVDD11_39
P6
W19
DVDD15_M1_8
DVDD11_40
R6
Y13
AVDD25_C4TX
DVDD15_M1_9
DVDD11_41
Y20
DVDD11_42
Y21
DVDD11_43
V11
AA13
AVDD25_C4TX_1
DVDD11_44
W11
AA14
AVDD25_C4TX_2
DVDD11_45
Y11
AA15
AVDD25_C4TX_3
DVDD11_46
AVDD25
AA11
AA17
AVDD25_C4TX_4
DVDD11_47
AC18
AA18
AVDD25_COMP_1
DVDD11_48
AC19
AA19
AVDD25_COMP_2
DVDD11_49
AC20
AA20
AVDD25_CVBS_1
DVDD11_50
AC21
AA21
AVDD25_CVBS_2
DVDD11_51
AC22
AB21
AVDD25_DMD
AVDD11_APLL
AC23
AB19
AVDD25_AAD
AVDD11_COMP_LLPLL
G19
V12
DVDD25_XTAL
AVDD11_C4TX_1
H19
W12
AVDD25_DR3PLL
AVDD11_C4TX_2
AVDD25_AUD
H20
Y12
SP_VQPS
AVDD11_C4TX_3
AA12
AVDD11_C4TX_4
AC17
AVDD25_AUD
AB23
AVDD25_APLL
G18
DVDD11_XTAL
H18
DVDD11_DR3PLL
AF23
DVDD11_CVBSPLL
AF24
AVDD11_DMD_1
AF25
AVDD11_DMD_2
L26
DVDD18_EMMC_1
M26
DVDD18_EMMC_2
GND JIG POINT
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
+3.3V_Bypass Cap
+3.3V_NORMAL
DVDD33
L601
BLM18PG121SN1D
C601
C604
C607
4.7uF
4.7uF
0.1uF
10V
10V
16V
TP5209
+2.5V_Bypass Cap
+2.5V_NORMAL
AVDD25
+2.5V_NORMAL
L602
BLM18PG121SN1D
C602
C605
C608
4.7uF
4.7uF
0.1uF
10V
10V
16V
+2.5V_NORMAL
AVDD25_AUD
L603
BLM18PG121SN1D
C603
C606
C609
4.7uF
4.7uF
0.1uF
10V
10V
16V
+1.1V_VDD
AVDD11_DMD
DVDD18_EMMC
+1.1V_VDD
+3.3V_NORMAL
AVDD33
L606
C617
4.7uF
BLM18PG121SN1D
10V
C614
C615
4.7uF
0.1uF
10V
16V
AFE 3CH Power
AVDD25_C4TX
+1.1V_VDD
L604
BLM18PG121SN1D
C616
C610
C613
0.1uF
4.7uF
0.1uF
16V
10V
16V
+1.5V_Bypass Cap
+1.5V_DDR
+1.5V_DDR
+1.1V_Bypass Cap
C618
C619
C620
C623
C626
C627
C628
4.7uF
4.7uF
4.7uF
4.7uF
0.1uF
0.1uF
0.1uF
10V
10V
10V
10V
16V
16V
16V
AVDD11_DMD
L607
BLM18PG121SN1D
C622
C625
4.7uF
0.1uF
10V
16V
OPT
C629
C631
C633
22uF
0.1uF
0.1uF
10V
16V
16V
OPT
C630
C632
C634
22uF
0.1uF
0.1uF
10V
16V
16V
MID_LG1311
VCC & GND
PAGE 6
IC101
LG1311
B22
P19
GND_1
GND_114
B24
P22
GND_2
GND_115
C22
P26
GND_3
GND_116
C23
P30
GND_4
GND_117
C24
R7
GND_5
GND_118
D4
R8
GND_6
GND_119
D5
R11
GND_7
GND_120
D6
R12
GND_8
GND_121
D20
R22
GND_9
GND_122
D21
R26
GND_10
GND_123
E6
R27
GND_11
GND_124
E20
T6
GND_12
GND_125
E21
T7
GND_13
GND_126
F6
T8
GND_14
GND_127
F7
T12
GND_15
GND_128
F8
T14
GND_16
GND_129
F18
T15
GND_17
GND_130
F19
T16
GND_18
GND_131
F20
T17
GND_19
GND_132
F21
T18
GND_20
GND_133
G7
T19
GND_21
GND_134
G8
T22
GND_22
GND_135
G9
T26
GND_23
GND_136
G10
T27
GND_24
GND_137
G11
U6
GND_25
GND_138
G12
U7
GND_26
GND_139
G13
U8
GND_27
GND_140
G14
U11
GND_28
GND_141
G15
U12
GND_29
GND_142
G16
U13
GND_30
GND_143
G17
U22
GND_31
GND_144
G20
U26
GND_32
GND_145
G21
V4
GND_33
GND_146
G22
V5
GND_34
GND_147
G23
V6
GND_35
GND_148
G24
V7
GND_36
GND_149
G25
V8
GND_37
GND_150
G26
V14
GND_38
GND_151
G27
V15
GND_39
GND_152
H7
V16
GND_40
GND_153
H8
V17
GND_41
GND_154
H9
V18
GND_42
GND_155
H10
V19
GND_43
GND_156
H11
V22
GND_44
GND_157
H12
V26
GND_45
GND_158
H13
V30
GND_46
GND_159
H14
V31
GND_47
GND_160
H15
W4
GND_48
GND_161
H16
W8
GND_49
GND_162
H17
W20
GND_50
GND_163
H21
W21
GND_51
GND_164
H22
W22
GND_52
GND_165
H23
W23
GND_53
GND_166
H24
W26
GND_54
GND_167
H25
W27
GND_55
GND_168
H26
Y2
GND_56
GND_169
H27
Y3
GND_57
GND_170
H31
Y4
GND_58
GND_171
J7
Y8
GND_59
GND_172
J8
Y14
GND_60
GND_173
J26
Y15
GND_61
GND_174
J27
Y16
GND_62
GND_175
K7
Y17
GND_63
GND_176
K8
Y18
GND_64
GND_177
K26
Y19
GND_65
GND_178
K27
Y22
GND_66
GND_179
L7
Y26
GND_67
GND_180
L8
AA8
GND_68
GND_181
L11
AA16
GND_69
GND_182
L12
AA22
GND_70
GND_183
L13
AA26
GND_71
GND_184
L14
AB11
GND_72
GND_185
L15
AB12
GND_73
GND_186
L16
AB13
GND_74
GND_187
L17
AB14
GND_75
GND_188
L19
AB15
GND_76
GND_189
L20
AB16
GND_77
GND_190
L27
AB17
GND_78
GND_191
M7
AB18
GND_79
GND_192
M8
AB20
GND_80
GND_193
M11
AB22
GND_81
GND_194
M12
AB26
GND_82
GND_195
M13
AB30
GND_83
GND_196
M14
AB31
GND_84
GND_197
M15
AC16
GND_85
GND_198
M16
AC26
GND_86
GND_199
M17
AD26
GND_87
GND_200
M18
AE26
GND_88
GND_201
M19
AF6
GND_89
GND_202
M22
AF8
GND_90
GND_203
M27
AF9
GND_91
GND_204
N7
AF10
GND_92
GND_205
N8
AF11
GND_93
GND_206
N11
AF12
GND_94
GND_207
N12
AF13
GND_95
GND_208
N19
AF14
GND_96
GND_209
N20
AF15
GND_97
GND_210
N21
AF16
GND_98
GND_211
N22
AF17
GND_99
GND_212
N23
AF18
GND_100
GND_213
N26
AF19
GND_101
GND_214
N27
AF20
GND_102
GND_215
N30
AF21
GND_103
GND_216
P7
AF26
GND_104
GND_217
P8
AG20
GND_105
GND_218
P11
AG25
GND_106
GND_219
P12
AG31
GND_107
GND_220
P13
AH25
GND_108
GND_221
P14
AJ25
GND_109
GND_222
P15
AK9
GND_110
GND_223
P16
AK25
GND_111
GND_224
P17
AL9
GND_112
GND_225
P18
AL15
GND_113
GND_226
2013.04.04
6
31
LGE Internal Use Only

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