Read LG 42LV375H-ZA (CHASSIS:LD03X) Service Manual online
0 . 0 4 7 u F
25V
C1107
220pF
50V
50V
C1112
OPT
SCL_EEPROM
TVLINK_TX
+3.5V_ST
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1105
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0
R1111
0
R1110
0
R1124
30V
D1100
EXT_5V_7P
L1102
EXT_12V_9P
L1101
0 . 3 3 u F
16V
16V
C1100
220pF
50V
C1111
OPT
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1102
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
BCM_TX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1104
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
SCL3_3.3V
100
R1101
SDA3_3.3V
NEC_EEPROM_SDA_2
SDA_EEPROM
6.2K
R1102
TVLINK_RX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1103
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.5V_ST
IR_OUT_RS232C
6.2K
R1103
0 . 1 u F
C1101
0 . 3 3 u F
16V
C1108
0 . 1 u F
C1114
0
R1125
OPT
0
R1129
0
R1126
0
R1106
100
R1100
UART_DBG_SW
0 . 1 u F
C1113
EXT_12V
OPT
L1100
0 . 3 3 u F
16V
C1109
0 . 1 u F
16V
16V
C1110
EXT_5V
NEC_RXD_DBG
+3.5V_ST
30V
D1101
MAX3232CDR
IC1100
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
R1128
I2C_SW
0
R1121
0
R1127
OPT
1K
R1104
JK_DBG_TX
NEC_TXD_DBG
+3.5V_ST
0
R1120
SPG09-DB-009
JK1100
1
2
3
4
5
6
7
8
9
10
NEC_EEPROM_SCL_2
0 . 1 u F
C1102
BCM_RX
JK_DBG_RX
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
R1107
0
R1108
0
R1109
0 . 1 u F
C1106
0
R1105
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1108
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
UART_SW2
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1109
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.5V_ST
0 . 1 u F
C1103
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1110
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1111
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0 . 1 u F
C1115
DBG_SW
P E J 0 2 7 - 0 1
JK1101
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
0 . 1 u F
C1116
5.6V
OPT
D1102
3.3K
R1123
+3.5V_ST
3.3K
R1134
5.6V
OPT
D1103
+3.3V_NORMAL
1000pF
50V
OPT
C1117
1000pF
50V
OPT
C1118
+3.5V_ST
EXT_VOL-
JK_DBG_RX
EXT_VOL+
JK_DBG_TX
TVLINK_TX
TVLINK_RX
NEC_RX
NEC_TX
BCM_NEC_TX
BCM_NEC_RX
0 . 1 u F
C1120
OPT
ETHUB_SW
0 . 1 u F
C1119
OPT
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1112
OPT
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0
R1112
OPT
0
R1113
0
R1116
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1113
OPT
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0
R1115
OPT
+3.5V_ST
ETHUB_MDIO_BCM
ETHUB_MDC_BCM
ETHUB_MDIO
0
R1117
ETHUB_MDC
0
R1114
ETHUB_MDIO_NEC
ETHUB_MDC_NEC
Chameleon(EU_GP2_BCM3556)
xxLV375H-ZA
UART&Switch
11
2 0 1 0 . 1 2 . 2 0
EXT UART SWITCH
RS232C(TVLink)
EEPROM I2C SWITCH
UART DBG SWITCH
EXT_SPK_CONTROL & DBG OUT
USB Download
I n t e r a c t i v e
SELECT
H
B 0 - A
B 1 - A
L
CONNECTION
EEPROM - NEC
SELECT
H
B 0 - A
B 1 - A
L
CONNECTION
Debug BCM
Debug NEC
SELECT
H
B 0 - A
B 1 - A
L
CONNECTION
L
SELECT CONNECTION
DEBUG mode
B 0 - A
B 1 - A
H
Volum Control
EEPROM - BCM
Ethernet_HUB EEPROM Switch
H
RTL8306 - NEC
RTL8306 - BCM
B 1 - A
B 0 - A
L
CONNECTION
SELECT
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