LG 42LD460B / 42LD460H (CHASSIS:LJ01B) Service Manual ▷ View 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.
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.
OPT
OPT
C1125
DSUB_R-
5.6V
OPT
OPT
D1116
SPDIF_OUT
2:X18
+3.3V_Normal
18pF
50V
C1127
10K
R1142
30V
D1113
SPG09-DB-010
JK1104
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
15K
R1108
DSUB_G-
5.6V
D1117
30V
D1110
EDID_WP
5.6V
OPT
D1114
DSUB_G+
100pF
50V
50V
C1108
68pF
50V
50V
OPT
C1126
30V
D1111
22
R1126
OPT
DSUB_HSYNC
18pF
50V
C1128
RGB_DDC_SCL
0
R1138
15K
R1107
0
R1136
470K
R1103
PC_R_IN
2 : S 1 6
4.7K
R1140
DSUB_R+
10K
R1111
AMOTECH
5.6V
OPT
D1101
0 . 1 u F
16V
16V
C1117
OPT
470K
R1102
DSUB_B-
AT24C02BN-SH-T
IC1105
RGB_ATMEL(D)
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
Fiber Optic
JST1223-001
JK1103
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
0 . 1 u F
16V
C1129
4.7K
R1139
+3.3V_Normal
100pF
50V
50V
C1121
1K
R1147
OPT
OPT
C1123
RGB_DDC_SDA
DSUB_B+
DSUB_VSYNC
30V
D1109
10K
R1110
100pF
50V
C1107
AMOTECH
5.6V
OPT
D1102
OPT
OPT
C1124
68pF
50V
50V
OPT
C1122
+5V_Normal
22
R1143
ENKMC2838-T112
D1115
A1
C
A2
PC_L_IN
2 : S 1 6
NL17SZ00DFT2G
IC1104
OPT
3
GND
2
B
4
Y
1
A
5
VCC
0
R1134
DSUB_DET
30V
D1112
0
R1148
0
R1150
10K
R1146
0
R1127
0 . 1 u F
16V
16V
C1131
22
R1141
4.7K
OPT
R1152
MMBT3904-(F)
Q1103
E
B
C
HP_ROUT
2:X19
+3.5V_ST
10K
R1130
1000pF
50V
50V
C1115
OPT
SIDE_HP_MUTE
1000pF
50V
50V
C1116
OPT
+3.3V_Normal
SPK_R-_HOTEL
2:X19
SPK_R+_HOTEL
2:X19
HP_DET
1K
R1155
HP_LOUT
2:X19
MMBT3904-(F)
Q1101
E
B
C
MMBT3904-(F)
Q1102
E
B
C
10uF
16V
16V
C1119
EXCEPT_CHINA_HOTEL_OPT
10uF
16V
16V
C1118
EXCEPT_CHINA_HOTEL_OPT
MMBT3904-(F)
Q1104
E
B
C
1K
R1125
1K
R1128
75
R1133
75
R1135
75
R1137
P E J 0 2 7 - 0 1
JK1102
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
0
R1112
0
R1113
KJA-PH-0-0177
JK3301
3
DETECT
4
L
5
GND
1
R
ISA1530AC1
Q1105
E
B
C
2SC3052
Q1106
E
B
C
3.3K
R1129
R1EX24002ASAS0A
IC1105-*1
RGB_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
COMMON AREA
GP2_Saturn7M
5 . 1 5 M s t a r C i r c u i t A p p l i c a t i o n
PC AUDIO
RGB PC
SPDIF OPTIC JACK
COMMON AREA
V e r . 1 . 0
New Item Development
EARPHONE BLOCK
9
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.
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.
0 . 3 3 u F
C1101
0 . 1 u F
C1105
0
R1157
0
R1156
100
R1124
NEC_RXD
0 . 1 u F
C1106
+3.5V_ST
0
R1153
0
R1154
CDS3C30GTH
30V
30V
D1108
IR_OUT
0 . 1 u F
C1103
S7_TXD1
CDS3C30GTH
30V
30V
D1107
4.7K
OPT
R1114
NEC_TXD
EAN41348201
MAX3232CDR
IC1101
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
0 . 1 u F
C1104
4.7K
OPT
R1109
0 . 1 u F
C1102
+3.5V_ST
S7_RXD1
100
R1123
0
Commercial
R1122
SPG09-DB-009
JK1101
1
2
3
4
5
6
7
8
9
10
JP1121
JP1122
RS232C
RS232C 9PIN
V e r . 1 . 0
GP2_Saturn7M
10
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.
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.
SIDEAV_R_IN
SIDEAV_L_IN
5.6V
D3302
SIDE_AV_OPT
10K
R3306
SIDE_AV_OPT
12K
R3308
SIDE_AV_OPT
SIDEAV_CVBS_IN
5.6V
SIDE_AV_OPT
D3304
10K
R3307
SIDE_AV_OPT
100pF
50V
C3303
SIDE_AV_OPT
BLM18PG121SN1D
L3303
SIDE_AV_OPT
30V
SIDE_AV_OPT
D3301
BLM18PG121SN1D
L3301
SIDE_AV_OPT
1K
R3305
SIDE_AV_OPT
10K
R3302
SIDE_AV_OPT
100pF
50V
C3302
SIDE_AV_OPT
5.6V
SIDE_AV_OPT
D3303
+3.3V_Normal
470K
R3304
SIDE_AV_OPT
470K
R3303
SIDE_AV_OPT
12K
R3309
SIDE_AV_OPT
BLM18PG121SN1D
L3302
SIDE_AV_OPT
100pF
C3301
SIDE_AV_OPT
100pF
OPT
C3304
SIDEAV_DET
75
R3301
SIDE_AV_OPT
P P J 2 3 5 - 0 1
JK3302
SIDE_AV_OPT
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A [YL]CONTACT
4B
[WH]O-SPRING
3C [RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
GP2_Saturn7M
SIDE AV
V e r . 1 . 0
( N e w I t e m D e v e l o p m e n H : 9 . 2 m m )
SIDE_AV
11
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.
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.
+3.3V_Normal
S7_TXD
47K
OPT
R2610
0
R2601
WIRELESS
1/4W
3216
0
R2607
WIRELESS
S7_RXD
0
OPT
R2606
10K
R2603
WIRELESS
+24V
22K
R2604
0
R2608
OPT
0 . 1 u F
50V
50V
C2601
WIRELESS_DL_RX
0 . 0 1 u F
50V
C2603
4.7K
OPT
R2609
WIRELESS_TX
Q2601
WIRELESS
E
B
C
S7_TXD1
WIRELESS_PWR_EN
S7_RXD1
2 . 2 u F
C2602
+3.5V_ST
0 . 1 u F
C2604
OPT
+3.5V_ST
WIRELESS_SW_CTRL
0
R2613
WIRELESS
0
R2611
WIRELESS
+3.3V_Normal
WIRELESS_DETECT
WIRELESS_SCL
WIRELESS_RX
1K
R2617
WIRELESS_SDA
WIRELESS_TX
10K
R2612
0
R2615
WIRELESS
WIRELESS_RX
WIRELESS_DL_TX
MC14053BDR2G
IC2601
OPT
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
IR_PASS
0
R2618
0
R2619
TP2601
TP2602
0
WIRELESS
R2620
KJA-PH-3-0168
JK2601
14
GND_3
13
I2C_SDA
5
VCC[24V/20V/17V]_5
12
I2C_SCL
11
GND_2
2
VCC[24V/20V/17V]_2
19
GND_5
18
IR
10
RESET
4
VCC[24V/20V/17V]_4
1
VCC[24V/20V/17V]_1
17
GND_4
9
GND_1
8
INTERRUPT
3
VCC[24V/20V/17V]_3
16
UART_TX
7
DETECT
6
VCC[24V/20V/17V]_6
15
UART_RX
GND_6
20
21
SHIELD
AO3407A
Q2602
WIRELESS
G
D
S
27K
R2605
ISA1530AC1
Q2603
OPT
E
B
C
10K
R2602
OPT
10K
OPT
R2614
+3.3V_Normal
WIRELESS_PWR_EN
FDV301N
Q2604
OPT
G
D
S
FDV301N
Q2605
OPT
G
D
S
AMP_SDA
WIRELESS_SDA
AMP_SCL
WIRELESS_SCL
W i r e l e s s r e a d y
GP2_Saturn7M
V e r . 1 . 3
X0/Y0/Z0
X1/Y1/Z1
SELECT PIN
LOW
HIGH
WIRELESS READY MODEL
STATUS
WIRELESS Dongle connect --> WIRELESS RS232
W i r e l e s s p o w e r
WIRELESS Dongle Dis_con --> S7 RS232
RS232C & Wireless
WIRELESS_SW_CTRL
F r o m w i r e l e s s _ I 2 C t o m i c o m I 2 C
12
V e r . 1 . 2 - - > 1 . 3 : w i r e l e s s o p t c h a n g e , 0 9 0 8 1 8 , h o n g s u
Click on the first or last page to see other 42LD460B / 42LD460H (CHASSIS:LJ01B) service manuals if exist.