Read LG 47LH40FD (CHASSIS:LC91A) Service Manual online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MAIN_2
R270
22
C2025
10uF
6.3V
LVB_2M
008:F11
COMP2_R_IN
004:N19
CK+_HDMI1
005:K9
AV1_CVBS_IN
004:N9
COMP1_R_IN
004:N21
R221
470
LVB_2P
008:F11
AUDIO_L_OUT
004:AJ23
C2028
10uF
HDMI_CEC
005:AG24
LVA_CKM
008:F17
C287
0.047uF
LVA_0P
008:F15
AV1_L_IN
004:N14
LVA_CKP
008:F17
COMP1_Pb_IN
004:N8
LVB_1M
008:F10
R247
100
DSUB_R
004:R26
C298
0.1uF
LVB_0M
008:F10
D1-_HDMI2
005:K21
S_C_IN
004:L24
DDC_SDA_3
005:X13;005:AL12
LVB_1P
008:F11
FE_VMAIN
009:BC8
C270
0.1uF
LVB_3M
008:F13
R225
470
LVA_1P
008:F15
R244
10K
R274
100
OPT
R283
22
LVA_4M
008:F18
C257
0.1uF
5V_HDMI_3
005:T11;005:AK9
R243
10K
DSUB_G
004:R25
PC_R_IN
004:AA13
R260
22
C294
0.1uF
R264
22
C225
10uF
6.3V
COMP1_Pr_IN
004:N12
R248
0
R282
22
RF_SWITCH_SEL
001:X25;009:AF14
DDC_SCL_1
005:K7;005:AL6
LVB_4P
008:F14
R262
22
LVB_3P
008:F13
LVB_0P
008:F10
R281
22
CK+_HDMI2
005:K20
D0-_HDMI3
005:X15
C264
0.1uF
LVB_4M
008:F13
D2-_HDMI1
005:K11
HPD1
005:K6
D0-_HDMI2
005:K20
LVA_2P
008:F16
LVA_4P
008:F18
COMP2_Pb_IN
004:N7
C288
0.047uF
R280
22
D2+_HDMI2
005:K23
C209
1000pF
HPD3
005:X12
COMP1_L_IN
004:N16
LVA_3M
008:F17
LVB_CKM
008:F12
DDC_SDA_2
005:K18;005:AL18
D1-_HDMI3
005:X16
LVA_3P
008:F18
C2002
10uF
DDC_SDA_1
005:K7;005:AL7
R279
22
R228
100
R214
470
CK+_HDMI3
005:X15
R278
22
R208
0
COMP2_Pr_IN
004:N11
R209
100
D0+_HDMI3
005:X15
R258
22
CK-_HDMI1
005:K8
LVA_1M
008:F15
R249
0
PC_L_IN
004:AA14
D0-_HDMI1
005:K9
DSUB_B
004:R23
R268
22
AV1_R_IN
004:N17
SPDIF_OUT
004:AH17
R271
22
S_Y_IN
004:L27
C236
22pF
OPT
C238
22pF
OPT
LVA_0M
008:F14
HPD2
005:K17
CK-_HDMI3
005:X14
C237
22pF
OPT
C239
22pF
OPT
C228
4.7uF
R236
47
C2019
0.047uF
R235
47
R277
22
C2024
0.047uF
C2016
2.2uF
C2015
2.2uF
C2014
2.2uF
D1+_HDMI3
005:X16
D1-_HDMI1
005:K10
C2013
2.2uF
C2012
2.2uF
C2011
2.2uF
D1+_HDMI1
005:K10
AV2_R_IN
004:AN6
DDC_SCL_2
005:K19;005:AL17
AV2_L_IN
004:AN5
C2009
2.2uF
C2008
2.2uF
+3.3V_S6
C224
0.1uF
C232
0.1uF
C231
0.1uF
C211
0.047uF
AUDIO_R_OUT
004:AJ23
C202
0.047uF
C203
1000pF
C213
0.047uF
C215
0.047uF
R267
22
C205
0.047uF
C218
0.047uF
C200
0.047uF
C212
0.047uF
C204
0.047uF
C206
0.047uF
R259
22
C216
0.047uF
C207
0.047uF
C210
0.047uF
C217
0.047uF
C221
0.047uF
D2+_HDMI1
005:K11
R207
0
C201
0.047uF
DDC_SCL_3
005:X13;005:AL12
C214
0.047uF
C222
0.047uF
COMP2_L_IN
004:N15
R245
22
R246
22
C208
1000pF
R276
22
R227
47
R222
47
R223
47
R226
47
R219
47
R275
22
R205
47
R224
47
R220
47
R206
47
R218
47
R212
47
R217
47
R213
47
R211
47
R216
47
R215
47
R204
100
D0+_HDMI2
005:K21
R273
22
D2-_HDMI3
005:X17
+3.3V_VDDP
+1.26V_VDDC
+1.26V_VDDC
R269
22
R261
22
LVA_2M
008:F16
AV2_CVBS_IN
004:AN4
+3.3V_AVDD_MPLL
C2007
2.2uF
C2006
2.2uF
R263
22
R272
22
R286
47
+1.8V_DDR
+3.3V
+3.3V_VDDP
D2-_HDMI2
005:K22
D1+_HDMI2
005:K22
L210
BLM18PG121SN1D
COMP1_Y_IN
004:N5
R285
47
+3.3V_S6
+3.3V_S6
L206
BLM18PG121SN1D
+3.3V_S6
D0+_HDMI1
005:K9
+3.3V
L209
BLM18PG121SN1D
+3.3V_S6
+1.8V_DDR
+3.3V_AVDD
LVB_CKP
008:F12
R265
22
R242
47
+3.3V
R234
22
R233
22
R200
100
R232
22
R231
22
MS_SCK
006:K12
AUDIO_MASTER_CLK
006:K6
MS_LRCH
006:K11
CK-_HDMI2
005:K19
D2+_HDMI3
005:X17
MS_LRCK
006:K12
R241
47
FE_SIF
009:AX11
COMP2_Y_IN
004:N3
R229
390
1%
Check
DSUB_VSYNC
004:R22
DSUB_HSYNC
004:R22
C229
2.2uF
C230
2.2uF
C219
0.1uF
C220
0.1uF
C223
0.1uF
C227
1uF
6.3V
C226
0.1uF
C233
0.1uF
C234
0.1uF
C235
0.1uF
C241
0.1uF
C242
0.1uF
C243
0.1uF
C244
0.1uF
C245
0.1uF
C246
0.1uF
C247
0.1uF
C248
0.1uF
C249
0.1uF
C250
0.1uF
C251
0.1uF
C252
0.1uF
C253
0.1uF
C254
0.1uF
C256
0.1uF
C258
0.1uF
C259
0.1uF
C260
0.1uF
C261
0.1uF
C262
0.1uF
C263
0.1uF
C265
0.1uF
C266
0.1uF
C267
0.1uF
C268
0.1uF
C269 0.1uF
C271
0.1uF
C273
0.1uF
C274
0.1uF
C275
0.1uF
C276
0.1uF
C277
0.1uF
C278
0.1uF
C279
0.1uF
C280
0.1uF
C281
0.1uF
C282
0.1uF
C283
0.1uF
C284
0.1uF
C286
0.1uF
C289
0.1uF
C290
0.1uF
C291
0.1uF
C293
0.1uF
C295
0.1uF
C296
0.1uF
C297
0.1uF
C299
0.1uF
C2000
0.1uF
C2001
0.1uF
C2003
0.1uF
C2004
0.1uF
C2005
0.1uF
C2026
0.1uF
C2029
0.1uF
C2030
0.1uF
R203
100
R201
0
R202
0
R250
100
OPT
R251
100
OPT
R266
100
C2022
0.01uF
C2023
0.01uF
R256
22K
R257
22K
C2027
10uF
LGE3369A (Saturn6 Non RM)
IC100
RXACKP
F1
RXACKN
F2
RXA0P
G2
RXA0N
G3
RXA1P
H3
RXA1N
G1
RXA2P
H1
RXA2N
H2
DDCD_A_DA
A1
DDCD_A_CK
B2
HOTPLUG_A
A2
RXBCKP
C3
RXBCKN
B1
RXB0P
C1
RXB0N
C2
RXB1P
D2
RXB1N
D3
RXB2P
E3
RXB2N
D1
DDCD_B_DA
E1
DDCD_B_CK
F3
HOTPLUG_B
E2
RXCCKP
AE8
RXCCKN
AD8
RXC0P
AD9
RXC0N
AF8
RXC1P
AF9
RXC1N
AE9
RXC2P
AE10
RXC2N
AD10
DDCD_C_DA
AE7
DDCD_C_CK
AF7
HOTPLUG_C
AD7
CEC
J3
HSYNC0/SC1_ID
N2
VSYNC0/SC1_FB
N1
RIN0P/SC1_R
P2
GIN0P/SC1_G
R3
BIN0P/SC1_B
R1
SOGIN0/SC1_CVBS
P3
RINM
P1
BINM
T3
GINM
R2
HSYNC1/DSUB_HSYNC
K3
VSYNC1/DSUB_VSYNC
K2
RIN1P/DSUB_R
L1
GIN1P/DSUB_G
L3
BIN1P/DSUB_B
K1
SOGIN1
L2
RIN2P/COMP_PR+
V1
GIN2P/COMP_Y+
V2
BIN2P/COMP_PB+
U1
SOGIN2
V3
VSYNC2
J5
CVBS1/SC1_CVBS
U3
CVBS2/SC2_CVBS
U2
CVBS3/SIDE_CVBS
T1
VCOM1
T2
CVBS4/S-VIDEO_Y
M1
CVBS6/S-VIDEO_C
M2
CVBS5
N3
CVBS7
M3
CVBS0/RF_CVBS
W1
VCOM0
Y3
CVBSOUT0/SC2_MNTOUT
Y2
CVBSOUT1
AA2
LVA0P
AE16
LVA0M
AD16
LVA1P
AD15
LVA1M
AF16
LVA2P
AF15
LVA2M
AE15
LVA3P
AD13
LVA3M
AF14
LVA4P
AF13
LVA4M
AE13
LVACKP
AE14
LVACKM
AD14
LVB0P
AE20
LVB0M
AD20
LVB1P
AD19
LVB1M
AF20
LVB2P
AF19
LVB2M
AE19
LVB3P
AD17
LVB3M
AF18
LVB4P
AF17
LVB4M
AE17
LVBCKP
AE18
LVBCKM
AD18
AUR0
AA3
AUL0
Y1
AUR1
AE1
AUL1
AF3
AUR2
AE3
AUL2
AE2
AUR3
AA1
AUL3
AB1
AUR4
AB2
AUL4
AC2
AUR5
AB3
AUL5
AC3
SIF0P
W3
SIF0M
W2
SPDIF_IN
F11
SPDIF_OUT
E9
AUOUTR0/HP_ROUT
AF1
AUOUTL0/HP_LOUT
AF2
AUOUTR1/SC1_ROUT
AD3
AUOUTL1/SC1_LOUT
AD1
AUOUTR2/SC2_ROUT
AC1
AUOUTL2/SC2_LOUT
AD2
I2S_OUT_MCK
A8
I2S_OUT_WS
B7
I2S_OUT_BCK
C7
I2S_OUT_SD
D8
I2S_IN_SD
C8
VCLAMP
K4
REFP
H4
REFM
J4
REXT
G4
AUCOM
AE5
AUVRM
AE4
AUVRP
AF4
AUVAG
AD4
IC100
LGE3369A (Saturn6 Non RM)
VDDC_1
D16
VDDC_2
D17
VDDC_3
D18
VDDC_4
D19
VDDC_5
D20
VDDC_6
H18
VDDC_7
H19
VDDC_8
H20
VDDC_9
J20
VDDC_10
K20
VDDC_11
L20
VDDC_12
M20
VDDC_13
P7
VDDC_14
R7
VDDC_15
T7
VDDC_16
T22
VDDC_17
U7
VDDC_18
U20
VDDC_19
U22
VDDC_20
V7
VDDC_21
V22
VDDC_22
W11
VDDC_23
W12
VDDC_24
W19
VDDC_25
W20
VDDC_26
W22
VDDC_27
Y22
VDDP_1
H9
VDDP_2
H10
VDDP_3
H11
VDDP_4
H12
VDDP_5
N20
VDDP_6
P20
VDDP_7
W9
VDDP_8
W10
AVDD_AU
W7
AVDD_DDR_1
G12
AVDD_DDR_2
G13
AVDD_DDR_3
H13
AVDD_DDR_4
H14
AVDD_DDR_5
H15
AVDD_DDR_6
H16
AVDD_DDR_7
W14
AVDD_DDR_8
W15
AVDD_DDR_9
W16
AVDD_DDR_10
W17
AVDD_DDR_11
W18
AVDD_MEMPLL_1
H17
AVDD_MEMPLL_2
T20
AVDD_MEMPLL_3
V20
AVDD_LPLL
R20
AVDD_MPLL
H7
AVDD_33_1
J7
AVDD_33_2
K7
AVDD_33_3
L7
AVDD_33_4
M7
AVDD_33_5
N7
AVDD_DM
W8
AVDD_USB
H8
GND_2
E16
GND_3
E17
GND_4
E18
GND_5
F7
GND_6
L9
GND_7
L10
GND_8
L11
GND_9
L12
GND_10
L13
GND_11
L14
GND_12
L15
GND_13
L16
GND_14
L17
GND_15
L18
GND_16
M9
GND_17
M10
GND_18
M11
GND_19
M12
GND_20
M13
GND_21
M14
GND_22
M15
GND_23
M16
GND_24
M17
GND_25
M18
GND_26
N4
GND_27
N9
GND_28
N10
GND_29
N11
GND_30
N12
GND_31
N13
GND_32
N14
GND_33
N15
GND_34
N16
GND_35
N17
GND_36
N18
GND_37
P4
GND_38
P9
GND_39
P10
GND_40
P11
GND_41
P12
GND_42
P13
GND_43
P14
GND_44
P15
GND_45
P16
GND_46
P17
GND_47
P18
GND_48
R4
GND_49
R9
GND_50
R10
GND_51
R11
GND_52
R12
GND_53
R13
GND_54
R14
GND_55
R15
GND_56
R16
GND_57
R17
GND_58
R18
GND_59
T5
GND_60
T9
GND_61
T10
GND_62
T11
GND_63
T12
GND_64
T13
GND_65
T14
GND_66
T15
GND_67
T16
GND_68
T17
GND_69
T18
GND_70
U5
GND_71
W13
GND_72
Y21
GND_73
AA23
R230
0
Close to IC
as close as possible
HDMI
COMP1
DSUB
CVBS1/2
TV
EAX60736302
2 9
2009.02.27
COMP2
AUDIO IN
LVDS OUT
AUDIO OUT
VDDC : 970mA
VDDP : 102.3mA
AVDD_AU : 36.11mA
AVDD_MEMPLL : 23.77mA
AVDD_LPLL : 4.69mA
AVDD_33 : 281mA
AVDD_DM : 0.03mA
AVDD_OTG : 22.96mA
PI_080719
S-VHS
SYMBOL:D
SYMBOL:A
LC91A(32/37/42/47LH40FD-CE)
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