Read LG 32LH255H (CHASSIS:LA96C) 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.
0
R909
OPT
UART_SWB
009:W35
+5V_ST_PTC
PTC_TX_1
012:C9
2SC3875S(ALY)
Q905
E
B
C
0 . 0 4 7 u F
C904
100
R938
1K
R942
100
R940
PTC_RX_5V
009:AF25;012:K14
PTC_DEBUG_TX
0 0 9 : Q 2 9 ; 0 1 2 : Q 8
0 . 1 u F
C907
10K
R917
+5V_ST_PTC
22K
R921
0 . 3 3 u F
C906
100
R932
0
R915
100
R918
100
R934
0 . 1 u F
C902
100
R937
SDC15
D901
A1
C
A2
220pF
C910
22K
R927
+5V_ST_PTC
MC14053BDR2G
IC901
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
1K
R929
100
R933
100
R931
SDC15
D900
A1
C
A2
0
R907
0 . 1 u F
C908
0
R935
PTC_DEBUG_RX 0 0 9 : Q 2 9 ; 0 1 2 : J 8
0 . 3 3 u F
C903
UART_SWA
009:W36
2SC3875S(ALY)
Q906
E
B
C
10K
R941
MC14053BDR2G
IC903
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
2SC3875S(ALY)
Q902
E
B
C
10K
R926
100
R939
0
R914
+5V_ST_PTC
+5V_ST_PTC
22K
R922
PTC_DEBUG_TX
0 0 9 : Q 2 9 ; 0 1 2 : D 9
2SC3875S(ALY)
Q904
E
B
C
MSTAR_RX
008:AB27
ST3232CDR
IC902
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
0
R910
OPT
R925
0
R913
PTC_TX_MSTAR
008:AQ28
PTC_DEBUG_RX
0 0 9 : Q 2 9 ; 0 1 2 : Z 7
0 . 3 3 u F
C905
PTC_TX
009:AF26
PTC_TX_1
012:K17
PTC_RX_5V
0 0 9 : A F 2 5 ; 0 1 2 : J 7
100
R919
100
R936
+5V_ST_PTC
2SC3875S(ALY)
Q903
E
B
C
22K
R928
+5V_ST_PTC
100
R930
1K
R924
10K
R912
220pF
C909
+5V_ST_PTC
1K
R923
2SC3875S(ALY)
Q901
E
B
C
0
R916
OPT
MSTAR_TX
008:AB27
BSS83
Q1200
S
B
D
G
4.7K
R2521
+3.3V_ST
PTC_RX_MSTAR
008:AQ27
4.7K
R2522
GND
+3.3V_ST
PTC_RX_MSTAR_5V
0 1 2 : J 8
+5V_ST_PTC
KCN-DS-1-0088
P900
1
2
3
4
5
6
7
8
9
10
MLB-201209-0120P-N2
L901
MLB-201209-0120P-N2
L900
100
R920
OPT
0
R955
OPT
0
R957
OPT
100
R956
OPT
RX_G6
008:AO31
0
R958
0
R959
OPT
TX_F5
008:AR32
+5V_ST_PTC
4.7K
R1200
GND
BSS83
Q1201
S
B
D
G
4.7K
R1201
+3.3V_ST
+3.3V_ST
UART
1 2 1 4
UART
37LH250H
S e r i a l P o r t
RxD
0 9 . 0 5 . 1 9
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