Read LG 42PG60UD-DA (CHASSIS:PT81A) Service Manual online
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10K
R1128
3.3uH
L105
3.3uH
L106
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.
D113
220K
R1172
220K
R1169
D123
D125
D124
D115
CHAPLIN_TX
100
R1188
R E
A D
Y
D116
0.1uF
C143
R E
A D
Y
D119
100
R1186
R E
A D
Y
D118
0.1uF
C141
100
R1187
CHAPLIN_RX
0.1uF
C145
R E
A D
Y
D121
DEBUG_RX
0.1uF
C144
100
R1189
0.1uF
C142
D114
D117
1K
R1180
D129
12pF
C132
C132
AT24C02BN-10SU-1.8
IC102
3
2
4
1
5
6
7
8
74HC14D
IC103
3
2
4
1
6
5
78
9
10
11
12
13
14
D128
10K
R1215
D130
D126
12pF
C133
C133
SD05
D127
10K
R1214
0
R1155
1K
R1174
+5V
0.1uF
C150
4.7K
R1175
4.7K
R1166
D122
D120
GND
GND
+3.3V_STBY
+3.3V_STBY
P_+5V
D134
D131
D132
D133
220K
R1310
100pF
C160
READY
100pF
C161
READY
100
R1164
100
R1165
100
R1185
100
R1325
R E
A D
Y
100
PC_COMMAND
R1322
UCOM_RX
100
R E
A D
Y
R1324
6.8K
R1327
6.8K
R1328
100
R1181
100
R1177
220K
R1309
0
R1110
4.7K
R1111
D135
75
R1157
75
R1158
75
R1163
75
R1308
75
R1168
75
R1171
75
R1119
75
R1312
75
R1170
1000pF
C110
READY
1000pF
C109
READY
470K
R1136
470K
R1137
DTV/MNT_LOUT
DTV/MNT_VOUT
COMP1_RIN
COMP1_LIN
COMP1_Pr
COMP1_Pb
VGA_R
D_SUB_SDA
VGA_G
VGA_B
DS_HS
DS_VS
D_SUB_SCL
D_SUB_SCL
D_SUB_SDA
DS_VS
V_SYNC_PC
H_SYNC_PC
DS_HS
+3.3V
1000pF
C165
1000pF
C162
220uF 16V
C118
DTV/MNT_ROUT
SIDE_LIN
SIDE_RIN
SIDE_CIN
SIDE_YIN/SIDE_VIN
SIDE_S_SW
82
R1344
2SC3052
Q108
E
B
C
2SA1504S
Q103
E
B
C
2SC3052
Q106
E
B
C
P_+12V
330
R1343
47
R1342
330
R1341
470
R1345
1 K
R1340
27K
R1339
27K
R1338
330
R1337
330
R1336
0.1uF
READY
C148
PC_SER_DATA
PC_SER_CLK
RGB_LINK
30V
R E
A D
Y
D137
0.1uF 16V
C112
+3.3V
COMP1_LINK
30V
D138
10K
R1150
0.1uF 16V
C116
+3.3V
SIDE_CVBS_LINK
30V
D139
10K
R1152
R1152
0.1uF
16V
C119
+3.3V
1K
R1159
1K
R1160
DEBUG_TX
0
READY
R1347
UART_SEL
NLASB3157DFT2G
IC1013
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.3V_STBY
10K
R1346
0.1uF 16V
C167
UCOM_TX
6.8K
R1304
R E
A D
Y
6.8K
R1303
R E
A D
Y
0
R1156
4.7pF
C108
4.7pF
C106
4.7pF
C107
22
R1334
22
R1333
22
R1335
3.9K
R1179
3.9K
R1178
1K
R1138
10K
R1149
100
R1184
GND
D111
3.9K
R1371
75
R1355
D110
75
R1368
D108
COMP2_LIN
220K
R1369
+3.3V
30V
D109
0.1uF 16V
C123
1K
R1366
D112
3.9K
R1364
10K
R1363
COMP2_Pr
75
R1365
COMP2_LINK
6.8K
R1353
6.8K
R1367
D107
COMP2_Pb
COMP2_RIN
220K
R1357
D101
AV1_LIN
D102
AV1_RIN
100pF
READY
C121
100pF
READY
C120
220K
R1359
220K
R1361
AV1_CVBS
75
R1362
D106
AV1_CVBS_LINK
TP1611
TP1612
TP1614
TP1616
TP1618
6.8K
R1351
R E
A D
Y
6.8K
R1354
R E
A D
Y
0
R1352
0
R1360
0
R1307
0
R1306
10uF
16V
C111
0.1uF 16V
C163
1K
R1143
+3.3V
30V
R E
A D
Y
D140
10K
R1147
MAX3232CDR
IC101
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
KCN-DS-1-0089
JK104
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
R1349
KCN-DS-1-0088
P101
1
2
3
4
5
6
7
8
9
10
PPJ150-09
JK902
3
A
[RD]O_SPRING1
2
A
[RD]1P_CAN1
4A
[RD]CONTACT1
2
B
[WH]1P_CAN1
3
B
[WH]0_SPRING1
2
C
[YL]1P_CAN1
3
C
[YL]O_SPRING1
4
C
[YL]CONTACT1
2
D
[RD]1P_CAN2
3
D
[RD]O_SPRING2
4D
[RD]CONTACT2
2
E
[WH]1P_CAN2
3
E
[WH]0_SPRING2
2
F
[YL]1P_CAN2
3
F
[YL]O_SPRING2
4
F
[YL]CONTACT2
10K
R1113
R1113
+3.3V_STBY
TP2058
TP2059
TP2060
TP2061
PPJ218-01
JK105
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
TP2082
TP2083
TP2102
TP2103
JP
75
JP
76
JP
77
JP
78
JP
79
JP
80
JP
81
JP
82
JP
83
JP
84
JP
85
JP
86
JP
87
JP
88
JP
89
JP
90
JP
91
JP
92
JP
93
PSJ018-01
JK106
1
GND_TER
2
C
_LUG_S1
3
C_LUG_L1
6N
C
1
7
COM1
8
NO1
9N
C
2
1
0
COM2
1
1
NO2
12
SHIELD
4
C
_LUG_S2
5
C_LUG_L2
D141
D142
D143
KDS184
D144
A2
C
A1
RGB_+5V
RGB_+5V
TP2141
TP2142
PPJ209-02
JK101
4A
[GN]CONTACT
2
A
[GN]1P_CAN
3
A
[GN]O_SPRING
2B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2
D
[WH]1P_CAN
5D
[WH]C_LUG_L
2
E
[RD]1P_CAN2
4
E
[RD]CONTACT
3
E
[RD]O_SPRING
PPJ209-02
JK103
4
A
[GN]CONTACT
2
A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2
D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4
E
[RD]CONTACT
3E
[RD]O_SPRING
TP2181
TP2182
0
R1122
COMP2_Y
4.7pF
READY
C102
4.7pF
READY
C103
0
R1123
TP1613
COMP1_Y
JP511
10
R1127
10
R1126
220pF
50V
C124
220pF
50V
C127
270pF
50V
C125
270pF
50V
C126
CAT24C02WI-GT3
IC102-*1
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
RCA-517HA-00A-01
JK101-*1
PG60
4
A
[GN]CONTACT
2
A
[GN]1P_CAN
3
A
[GN]O_SPRING
2
B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2
D
[WH]1P_CAN
5
D
[WH]C_LUG_L
2
E
[RD]1P_CAN2
4
E
[RD]CONTACT
3
E
[RD]O_SPRING
RCA-517HA-00A-01
JK103-*1
PG60
4
A
[GN]CONTACT
2
A
[GN]1P_CAN
3
A
[GN]O_SPRING
2
B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2
D
[WH]1P_CAN
5
D
[WH]C_LUG_L
2
E
[RD]1P_CAN2
4E
[RD]CONTACT
3
E
[RD]O_SPRING
RCA-639HA-00A-02
JK902-*1
PG60
3
A
[RD]O_SPRING1
2
A
[RD]1P_CAN1
4A
[RD]CONTACT1
2
B
[WH]1P_CAN1
3
B
[WH]0_SPRING1
2
C
[YL]1P_CAN1
3
C
[YL]O_SPRING1
4
C
[YL]CONTACT1
2
D
[RD]1P_CAN2
3
D
[RD]O_SPRING2
4D
[RD]CONTACT2
2
E
[WH]1P_CAN2
3
E
[WH]0_SPRING2
2
F
[YL]1P_CAN2
3
F
[YL]O_SPRING2
4
F
[YL]CONTACT2
SIDE CVBS & S_VIDEO
Y
R
Pr
Pb
L
COMPONENT 1
1 : Data carrier detect
2 : RX
3 : TX
4 : DTR(Data terminal ready
5 : GND
6 : DSR(Data set ready)
7 : RTS(Request to send)
8 : CTS(Clear to send)
9 : RI(Ring indicator)
RS-232C Input
9.+5V DC
3.BLU
ROM DOWNLOAD FOR PDP
7.G_GNC
4.RESERVED
5.GND
11.RGB Input
12.SDA
13.HSYNC
OPT
2.GRN
1.RED
11.RESERVED
14.VSYNC
15.SCL
8.B_GND
6.R_GND
10.SYNC_GND
19
Douglas
External Jack
Pb
L
Y
COMPONENT 2
R
Pr
AV 1, MORNITOR OUT
HIGH : CONNECTED
HIGH : CONNECTED
HIGH : CONNECTED
HIGH : CONNECTED
LOW : CONNECTED
LOW : Y/C
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