Read LG 42LH260H (CHASSIS:LA96B) 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.
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.
R909
0
OPT
UART_SWB
009:W35
+5V_ST_PTC
PTC_TX_1
012:C9
Q905
2SC3875S(ALY)
E
B
C
C904
0.047uF
0.047uF
R938
100
R942
1K
R940
100
PTC_RX_5V
009:AF25;012:K14
PTC_DEBUG_TX
009:Q29;012:Q8
C907
0.1uF
0.1uF
R917
10K
+5V_ST_PTC
R921
22K
C906
0.33uF
R932
100
R915
0
R918
100
R934
100
C902
0.1uF
0.1uF
R937
100
D901
SDC15
A1
C
A2
C910
220pF
R927
22K
22K
+5V_ST_PTC
IC901
MC14053BDR2G
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
+5V_ST_PTC
R929
1K
R933
100
R931
100
D900
SDC15
A1
C
A2
R907
0
C908
0.1uF
0.1uF
R935
0
PTC_DEBUG_RX009:Q29;012:J8
C903
0.33uF
UART_SWA
009:W36
Q906
2SC3875S(ALY)
E
B
C
R941
10K
10K
IC903
MC14053BDR2G
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
Q902
2SC3875S(ALY)
E
B
C
R926
10K
10K
R939
100
R914
0
+5V_ST_PTC
+5V_ST_PTC
R922
22K
PTC_DEBUG_TX
009:Q29;012:D9
Q904
2SC3875S(ALY)
E
B
C
MSTAR_RX
008:AB27
IC902
ST3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
T2OUT
8
R2IN
9
R2OUT
10
T2IN
11
T1IN
12
R1OUT
13
R1IN
14
T1OUT
15
GND
16
VCC
PTC_RX_MSTAR_5V 012:D13
R910
0
R925
OPT
R913
0
PTC_TX_MSTAR
008:AQ28
PTC_DEBUG_RX
009:Q29;012:Z7
C905
0.33uF
PTC_TX
009:AF26
PTC_TX_1
012:K17
PTC_RX_5V
009:AF25;012:J7
R919
100
R936
100
+5V_ST_PTC
Q903
2SC3875S(ALY)
E
B
C
R928
22K
+5V_ST_PTC
R930
100
R924
1K
R912
10K
C909
220pF
220pF
+5V_ST_PTC
R923
1K
Q901
2SC3875S(ALY)
E
B
C
R916
0
OPT
MSTAR_TX
008:AB27
BSS83
Q1200
S
B
D
G
R2521
4.7K
4.7K
+3.3V_ST
PTC_RX_MSTAR
008:AQ27
R2522
4.7K
4.7K
GND
+3.3V_ST
PTC_RX_MSTAR_5V
012:J8
+5V_ST_PTC
P900
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
L901
MLB-201209-0120P-N2
L900
MLB-201209-0120P-N2
R920
100
OPT
R955
0
OPT
R957
0
OPT
R956
100
OPT
RX_G6
008:AO31
R958
0
R959
0
OPT
TX_F5
008:AR32
+5V_ST_PTC
R1200
4.7K
4.7K
GND
BSS83
Q1201
S
B
D
G
R1201
4.7K
4.7K
+3.3V_ST
+3.3V_ST
UART
12 14
UART
37LH250H
Serial Port
RxD
09.05.19
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