LG 32LD340H Service Manual page 28
Lg lcd tv service manual
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Also See for 32LD340H:
- Owner's manual (110 pages) ,
- Setup manual (59 pages) ,
- Owner's manual (129 pages)
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S e r i a l P o r t
IC1000
MC14053BDR2G
010:E16;016:N15;016:Y25;016:AA3
R1003
Y1
0
ON semi
1
16
UART3_TX
R1002
0
Y0
016:X9
2
15
PTC_TX
001:AJ26
R1000
Z1
0
3
14
EXT_PTC_RESET
R1001
Z
0
RESET_high
4
13
016:H27
Z0
5
12
INH
6
11
VEE
7
10
VSS
8
BT
BT
IC1001-*1
IC1000-*1
HEF4053B
HEF4053B
Y1B
VDD
Y1B
1
16
1
16
Y0B
ZB
Y0B
2
15
2
15
Y1C
ZA
Y1C
3
14
3
14
ZC
Y1A
ZC
4
13
4
13
Y0C
Y0A
Y0C
5
12
5
12
E
SA
E
6
11
6
11
VEE
SB
VEE
7
10
7
10
VSS
SC
VSS
8
9
8
9
+3.5V_ST
IC1001
MC14053BDR2G
001:X17
R1044
0
Y1
ON semi
1
S7_TX
R1045
010:E25;016:N15;016:Y25;016:AA3
0
Y0
2
UART3_TX
001:AJ21
Z1
EXT_PTC_UPDATE
3
0 1 6 : F 2 2
Z
Update_SW
4
Z0
5
47K
R1049
INH
6
VEE
7
VSS
8
(New Item Developmen H:9.2mm)
SIDE_AV
SIDE_AV_OPT
SIDE_AV_OPT
R1014
5A
D1000
75
[YL]E-LUG
30V
4A
[YL]O-SPRING
3A [YL]CONTACT
SIDE_AV_OPT
D1001
SIDE_AV_OPT
5.6V
4B
[WH]O-SPRING
3C [RD]CONTACT
4C
[RD]O-SPRING
SIDE_AV_OPT
SIDE_AV_OPT
R1017
5C
D1002
[RD]E-LUG
5.6V
470K
PPJ235-01
JK1000
SIDE_AV_OPT
SIDE_AV_OPT
SIDE_AV_OPT
D1003
R1016
5.6V
470K
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.
+3.5V_ST
C1001
0 . 1 u F
VDD
Y
R1005
100
PTC_TX_S7
001:AJ24
X
R1042
0
001:AJ24
PTC_RX_S7_3.3V
X1
R1006
100
UART3_RX
010:N14;016:N14;016:Y25;016:AA4
X0
R1007
0
0 1 0 : R 2 2 ; 0 1 6 : X 7
PTC_RX_5V
+3.5V_ST
A
R1008
100
R1022
10K
B
R1009
100
C
SELECT PTC OAD OR NOT
C
R1010
100
016:AA21
9
Q1001
B
R1027
1K
UART_SWB
2SC3875S(ALY)
E
VDD
ZB
ZA
Y1A
Y0A
SA
SB
SC
C1000
0 . 1 u F
+3.5V_ST
VDD
16
Y
R1015
100
15
RS232_TX 010:V16
X
14
RS232_RX 010:V16
X1
R1019
100
13
S7_RX
001:X17
X0
R1020
100
12
UART3_RX
010:K23;016:N14;016:Y25;016:AA4
A
R1011
100
+3.5V_ST
11
B
R1012
100
10
R1021
10K
C
R1013
100
9
SELECT PTC OR BCM DEBUG
C
Q1000
B
R1026
1K
UART_SWA
016:AA21
2SC3875S(ALY)
E
SIDE_AV_OPT
L3303
BLM18PG121SN1D
+3.3V_Normal
C1005
100pF
OPT
SIDE_AV_OPT
10K
R1018
C1002
100pF
SIDE_AV_OPT
SIDE_AV_OPT
L3301
BLM18PG121SN1D
SIDE_AV_OPT
C1003
100pF
50V
SIDE_AV_OPT
SIDE_AV_OPT
C1004
100pF
50V
R1038
OPT
+5V_ST
+5V_ST
R1040
22K
R1033
22K
Q1004
2SC3875S(ALY)
C
B
R1036
1K
Q1003
2SC3875S(ALY)
C
E
R1031
10K
B
E
+5V_ST
+5V_ST
R1041
22K
R1032
22K
Q1005
2SC3875S(ALY)
C
R1037
1K
B
Q1002
2SC3875S(ALY)
C
E
010:K23;016:X7
R1030
10K
B
PTC_RX_5V
E
+3.5V_ST
D1004
SDC15
A1
IC1003
MAX3232CDR
A2
C1010
C1+
VCC
1
16
0 . 1 u F
C1007
C1006
0 . 0 4 7 u F
V+
GND
RxD
2
15
0 . 3 3 u F
C1-
DOUT1
R1034
100
3
14
C1009
C2+
RIN1
R1035
100
4
13
C1011
C1012
0 . 3 3 u F
220pF
C2-
ROUT1
R1039
100
5
12
220pF
C1008
0 . 3 3 u F
R1043
0
V-
DIN1
6
11
D1005
SDC15
A1
DOUT2
DIN2
7
10
A2
RIN2
ROUT2
8
9
010:N16
RS232_TX
010:N15
RS232_RX
O b j e c t i v e
SW_A
SW_B
PC_SIM
M-STAR DEBUG
0
X
X
1
1
X
PTC DEBUG
X
0
0
PTC OAD
X
1
1
COM/MON
SIMULATION
X
1
0
SIDEAV_CVBS_IN
SIDEAV_DET
SIDEAV_L_IN
D1006
SDC15
A1
C
A2
P1000
C
SPG09-DB-009
1
6
2
7
3
8
4
9
5
JP1002
10
D1007
SDC15
A1
C
C
A2
37LD320H
2 0 1 0 . 1 2 . 2 2
RS232C
10
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