Read LG 50PJ350-SA (CHASSIS:PB02A) 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.
TUNER_CVBS
CK-_HDMI4
0.047uF
C222
0.047uF
C223
0.047uF
C225
RXB1-
DDC_SCL_4
2.2uF
C237
0.1uF
C252
AV_LIN
PC_LIN
RXB3-
0.047uF
C210
68
R181
AUDIO_MASTER_CLK
COMP2_Pr-
+3.3V
KDS181
D200
READY
D2+_HDMI4
0.047uF
C233
3
.3
K
R
27
2
2.2uF
C243
4.7uF
C248
D0+_HDMI4
USB1_DP_to_MAIN
0.047uF
C209
0.1uF
C251
68
R178
47
R246
RXB4-
SIDE_CVBS_IN
0.047uF
C226
2.2uF
C240
MODEL_OPT_1
1M
R
22
7
D0-_HDMI3
100
R263
RXB2-
RXB2+
MODEL_OPT_0
SPDIF_OUT
COMP1_RIN
COMP2_LIN
HPD4
MS_LRCK
100
R261
RXBCK+
COMP1_Pb-
RXB1+
D1+_HDMI4
2.2uF
C242
COMP2_Y-
0.047uF
C230
USB2_DP_to_MAIN
2.2uF
C241
COMP2_Pb-
0.047uF
C229
3
.3
K
R
EA
D
Y
R
26
7
CK+_HDMI3
MS_LRCH
22
R211
SIDE_RIN
RXBCK-
RXB0-
COMP1_LIN
+3.3V
2.2uF
C247
SOC_RESET
2.2uF
C244
RXB3+
0.047uF
C206
1000pF
C256
READY
0
R186
DSUB_R-
SOC_RESET
0.047uF
C207
COMP2_Pr+
DSUB_VSYNC
RXB0+
0.047uF
C203
0.047uF
C224
COMP2_Pb+
1000pF
C204
62K
R142
READY
AV_CVBS_IN
COMP2_Y+
0.047uF
C208
4
.7
K
R
24
9
R
EA
D
Y
MODEL_OPT_3
300
R248
READY
DSUB_R
D1-_HDMI4
AMP_SDA
TU_SDA
COMP2_RIN
0.047uF
C218
2.2uF
C239
MODEL_OPT_2
SIDE_LIN
DDC_SDA_3
DSUB_B
D2+_HDMI3
24MHz
X200
SCL1
D1+_HDMI3
D2-_HDMI3
0.047uF
C215
0.047uF
C216
0.1uF
C253
0.047uF
C227
0.047uF
C228
0.047uF
C211
DSUB_G
0.047uF
C221
100
R260
2.2uF
C246
COMP1_Pr+
DSUB_G-
68
R185
0.047uF
C231
4.7uF
10V
C200
READY
1000pF
C212
22
R208
HPD3
100
R262
300
R141
READY
COMP1_Pr-
22
R209
D2-_HDMI4
+3.3V
COMP1_Y-
0.047uF
C219
2K
R204
3
.3
K
R
26
6
DSUB_HSYNC
100
R207
CK+_HDMI4
47
R247
2K
R203
TU_SCL
3
.3
K
R
27
1
D1-_HDMI3
TUNER_SIF
0.047uF
C213
PC_RIN
AV_RIN
68
R169
0.1uF
C234
READY
68
R183
0.047uF
C220
DDC_SDA_4
0.1uF
C235
READY
D0+_HDMI3
COMP2_DET
0.047uF
C217
COMP1_Y+
22
R210
CK-_HDMI3
USB2_DM_to_MAIN
D0-_HDMI4
MS_SCK
1000pF
C205
0.047uF
C214
RXB4+
COMP1_Pb+
DSUB_B-
DDC_SCL_3
2.2uF
C236
2.2uF
C245
0
R179
4
.7
K
R
25
0
R
EA
D
Y
AMP_SCL
SDA1
USB1_DM_to_MAIN
RF_SWITCH_CTL
2.2uF
C238
1000pF
READY
C201
10uF
C250
22
R164
10K
R146
68
R176
10K
R143
22
R163
68
R174
68
R171
68
R167
68
R156
0
R172
10
R145
READY
22
R165
READY
3
.3
K
FH
D
R
26
4
3
.3
K
H
D
R
26
5
3
.3
K
42
IN
C
H
R
26
8
3
.3
K
R
26
9
50
IN
C
H
22
R228
22
R229
10K
R258
D1+_HDMI2
D0-_HDMI2
CK+_HDMI2
HPD2
D1-_HDMI2
D0+_HDMI2
DDC_SDA_2
D2-_HDMI2
DDC_SCL_2
D2+_HDMI2
CK-_HDMI2
0.1uF
16V
C202
READY
FE_BOOSTER_CTL
IR
RXA1+
RXA4-
RXA0-
RXA1-
RXACK-
RXA4+
RXA3+
RXA0+
RXA2-
RXACK+
RXA2+
RXA3-
G
N
D
_C
L200
L201
SUB_SDA_NEC_TEMP
SUB_SCL_NEC_TEMP
1uF
C249
33
R189
33
R187
33
R173
33
R188
33
R166
33
R194
33
R168
33
R177
33
R191
33
R154
33
R190
33
R175
33
R192
33
R155
33
R180
33
R139
33
R182
33
R184
33
R170
HDMI_CEC_S7
0
R153
24pF
C257
24pF
C258
22
R147
22
R148
22READY
R158
22
R159
22
R160
22
R149
READY
10K
R273
READY
3
.3
K
R
EA
D
Y
R
27
4
3
.3
K
R
EA
D
Y
R
27
7
3
.3
K
R
EA
D
Y
R
27
6
3
.3
K
R
EA
D
Y
R
27
5
MODEL_OPT_5
MODEL_OPT_4
MODEL_OPT_5
MODEL_OPT_4
22
R279
READY
22
R278READY
LGE101D (S7 Non_Tcon/RM)
IC101
A_RXCP
F1
A_RXCN
F2
A_RX0P
G2
A_RX0N
G3
A_RX1P
H3
A_RX1N
G1
A_RX2P
H1
A_RX2N
H2
DDCDA_DA/GPIO24
F5
DDCDA_CK/GPIO23
F4
HOTPLUGA/GPIO19
E6
B_RXCP
D3
B_RXCN
C1
B_RX0P
D1
B_RX0N
D2
B_RX1P
E2
B_RX1N
E3
B_RX2P
F3
B_RX2N
E1
DDCDB_DA/GPIO26
D4
DDCDB_CK/GPIO25
E4
HOTPLUGB/GPIO20
D5
C_RXCP
AA2
C_RXCN
AA1
C_RX0P
AB1
C_RX0N
AA3
C_RX1P
AB3
C_RX1N
AB2
C_RX2P
AC2
C_RX2N
AC1
DDCDC_DA/GPIO28
AB4
DDCDC_CK/GPIO27
AA4
HOTPLUGC/GPIO21
AC3
D_RXCP
A2
D_RXCN
A3
D_RX0P
B3
D_RX0N
A1
D_RX1P
B1
D_RX1N
B2
D_RX2P
C2
D_RX2N
C3
DDCDD_DA/GPIO30
B4
DDCDD_CK/GPIO29
C4
HOTPLUGD/GPIO22
E5
CEC/GPIO5
D6
HSYNC0
G5
VSYNC0
G6
RIN0P
K1
RIN0M
L3
GIN0P
K3
GIN0M
K2
BIN0P
J 3
BIN0M
J 2
SOGIN0
J 1
HSYNC1
G4
VSYNC1
H6
RIN1P
K5
RIN1M
K4
GIN1P
J 4
GIN1M
K6
BIN1P
H4
BIN1M
J 6
SOGIN1
J 5
HSYNC2
H5
RIN2P
N3
RIN2M
N2
GIN2P
M2
GIN2M
M1
BIN2P
L2
BIN2M
L1
SOGIN2
M3
CVBS0P
N4
CVBS1P
N6
CVBS2P
L4
CVBS3P
L5
CVBS4P
L6
CVBS5P
M4
CVBS6P
M5
CVBS7P
K7
CVBS_OUT1
M6
CVBS_OUT2
M7
VCOM0
N5
VIFP
W2
VIFM
W1
I P
V2
IM
V1
SSIF/SIFP
Y2
SSIF/SIFM
Y1
QP
U3
QM
V3
IFAGC
Y5
RF_TAGC
Y4
TGPIO0/UPGAIN
U1
TGPIO1/DNGAIN
U2
TGPIO2/I2C_CLK
R3
TGPIO3/I2C_SDA
T3
XTALIN
T2
XTALOUT
T1
SPDIF_IN/GPIO177
G14
SPDIF_OUT/GPIO178
G13
DM_P0
B7
DP_P0
A7
DM_P1
AF17
DP_P1
AE17
I2S_IN_BCK/GPIO175
F14
I2S_IN_SD/GPIO176
F13
I2S_IN_WS/GPIO174
F15
I2S_OUT_BCK/GPIO181
D20
I2S_OUT_MCK/GPIO179
E20
I2S_OUT_SD/GPIO182
D19
I2S_OUT_SD1/GPIO183
F18
I2S_OUT_SD2/GPIO184
E18
I2S_OUT_SD3/GPIO185
D18
I2S_OUT_WS/GPIO180
E19
LINE_IN_0L
N1
LINE_IN_0R
P3
LINE_IN_1L
P1
LINE_IN_1R
P2
LINE_IN_2L
P4
LINE_IN_2R
P5
LINE_IN_3L
R6
LINE_IN_3R
T6
LINE_IN_4L
U5
LINE_IN_4R
V5
LINE_IN_5L
U6
LINE_IN_5R
V6
LINE_OUT_0L
U4
LINE_OUT_2L
W3
LINE_OUT_3L
W4
LINE_OUT_0R
V4
LINE_OUT_2R
Y3
LINE_OUT_3R
W5
MIC_DET_IN
R4
MICCM
T5
MICIN
R5
AUCOM
T4
VRM
P7
VAG
R7
VRP
P6
HP_OUT_1L
R1
HP_OUT_1R
R2
ET_RXD0
E21
ET_TXD0
E22
ET_RXD1
D21
ET_TXD1
F21
ET_REFCLK
E23
ET_TX_EN
D22
ET_MDC
F22
ET_MDIO
D23
ET_CRS
F23
AVLINK
F8
IRINT
G8
TESTPIN
K8
RESET
A4
NC_16
Y17
LGE101D (S7 Non_Tcon/RM)
IC101
NC_48
AE1
NC_78
AF16
NC_64
AF1
NC_50
AE3
NC_45
AD14
NC_34
AD3
NC_77
AF15
NC_65
AF2
NC_62
AE15
NC_33
AD2
NC_47
AD16
NC_46
AD15
NC_63
AE16
NC_66
AF3
NC_76
AF14
NC_32
AD1
NC_44
AD13
NC_61
AE14
NC_60
AE13
NC_51
AE4
NC_36
AD5
NC_67
AF4
NC_35
AD4
NC_49
AE2
NC_71
AF8
NC_40
AD9
NC_56
AE9
NC_72
AF9
NC_58
AE11
NC_69
AF6
NC_53
AE6
NC_74
AF11
NC_37
AD6
NC_43
AD12
NC_52
AE5
NC_75
AF12
NC_68
AF5
NC_59
AE12
NC_57
AE10
NC_70
AF7
NC_42
AD11
NC_38
AD7
NC_41
AD10
NC_54
AE7
NC_73
AF10
NC_39
AD8
NC_55
AE8
NC_12
Y11
GND_105
Y19
LVACLKP/LLV6P/BLUE[3]
W26
LVACLKN/LLV6N/BLUE[2]
W25
LVA0P/LLV3P/BLUE[9]
U26
LVA0N/LLV3N/BLUE[8]
U25
LVA1P/LLV4P/BLUE[7]
U24
LVA1N/LLV4N/BLUE[6]
V26
LVA2P/LLV5P/BLUE[5]
V25
LVA2N/LLV5N/BLUE[4]
V24
LVA3P/LLV7P/BLUE[1]
W24
LVA3N/LLV7N/BLUE[0]
Y26
LVA4P/LLV8P
Y25
LVA4N/LLV8N
Y24
LVBCLKP/LLV0P/GREEN[5]
AC26
LVBCLKN/LLV0N/GREEN[4]
AC25
LVB0P/RLV6P/RED[1]
AA26
LVB0N/RLV6N/RED[0]
AA25
LVB1P/RLV7P/GREEN[9]
AA24
LVB1N/RLV7N/GREEN[8]
AB26
LVB2P/RLV8P/GREEN[7]
AB25
LVB2N/RLV8N/GREEN[6]
AB24
LVB3P/LLV1P/GREEN[3]
AC24
LVB3N/LLV1N/GREEN[2]
AD26
LVB4P/LLV0P/GREEN[1]
AD25
LVB4N/LLV0N/GREEN[0]
AD24
RLV3P/RED[7]
AD23
RLV3N/RED[6]
AE23
RLV0P/LVSYNC
AE26
RLV0N/LHSYNC
AE25
RLV1N/LCK
AF26
RLV2P/RED[9]
AF25
RLV1P/LDE
AE24
RLV2N/RED[8]
AF24
RLV4P/RED[5]
AF23
RLV4N/RED[4]
AD22
RLV5P/RED[3]
AE22
RLV5N/RED[2]
AF22
TCON3/OE/GOE/GCLK2
AD19
TCON15/SCAN_BLK1
AE19
TCON18/CS7/GCLK5
AD21
TCON19/CS8/GCLK6
AE21
TCON11/CS5/HCON
AF21
TCON10/CS4/OPT_N
AD20
TCON9/CS3/OPT_P
AE20
TCON16/WPWM
AF20
TCON12/DPM
AF19
TCON1/STV/GSP/VST
AD18
TCON5/TP/SOE
AE18
TCON14/SACN_BLK
AF18
TCON21/CS10/VGH_ODD
AB22
TCON20/CS9/VGH_EVEN
AB23
TCON13/LEDON
AC23
TCON17/CS6/GCLK4
AC22
NC_26
AB16
NC_19
AA14
NC_30
AC15
NC_15
Y16
NC_31
AC16
NC_29
AC14
NC_21
AA16
NC_20
AA15
NC_11
Y10
NC_17
AA11
NC_25
AB15
NC_24
AB14
0
R242
READY
MODEL_OPT_6
22
READY
R252
3
.3
K
R
EA
D
Y
R
25
3
3
.3
K
R
EA
D
Y
R
25
4
0
R243
2 1 3
AV IN_OUT/EXPANDER
C l o s e t o I C
a s c l o s e a s p o s s i b l e
* A c t i v e H i g h r e s e t
A
U
D
IO
I
N
T
N
M/
M/
V
T
PIN NO.
PIN NAME
PDP
E11
MODEL_OPT_0
HIGH
D6
LED_MOVING
B9
MODEL OPTION
LOW
SERIAL DATA
WORD SELECT
FHD
MODEL_OPT_1
MASTER CLOCK
LED_NORMAL
2/
1
T
N
E
N
O
P
M
M
O
C
BIT CLOCK
MODEL_OPT_3
MUST BE LINE IMPEADANCE 100 OHM !!
LCD
42INCH
M
IN
IL
V
50INCH
C l o s e t o I C
a s c l o s e a s p o s s i b l e
MODEL OPTION
N/A
MODEL_OPT_2
S
B
V
C
HD
D7
I
I
S
B
U
S
D
F
R
C
P
A
R
T
S7 RESET CIRCUIT
L
V
D
S
O
U
T
I
M
M
D
H
EAX61373301
CH_5
CH_6
A
U
D
IO
O
U
T
LC
D
PD
P
N/A
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