Read LG 42LT560C / 42LT560E (CHASSIS:LA2AC) 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.
PM_RXD
PM_TXD
0.1uF
C1105
22UH
PSU_POWER_OUT
L50
0.33uF
C1101
JP1122
1/16W
10K
1%
PSU_POWER_OUT
R57
150pF
50V
PSU_POWER_OUT
C50
0.1uF
C1104
JP1121
22uF
25V
PSU_POWER_OUT
C52
0.1uF
C1106
IR_OUT
100K
PSU_POWER_OUT
R52
CDS3C30GTH
30V
D1108
OPT
TH
ER
M
A
L
MP4460DQ-LF-Z
PSU_POWER_OUT
IC50
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
1
1
EP_GND
1/
16
W
20
K
1%
PS
U
_P
O
W
ER
_O
U
T
R
55
0.1uF
50V
PSU_POWER_OUT
C53
1/16W
270K
1%
PSU_POWER_OUT
R56
0.1uF
C1102
18
K
T
U
O_
RE
W
OP
_
US
P
R
50
0.1uF
50V
PSU_POWER_OUT
C51
+24V
+3.5V_ST
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
2
2
PS
U
_P
O
W
ER
_O
U
T
R
54
0.1uF
50V
PSU_POWER_OUT
C55
0.1uF
C1103
3.3uF
50V
PSU_POWER_OUT
C54
CDS3C30GTH
30V
D1107
OPT
100
R1124
EXT_12V
MBRA340T3G
PSU_POWER_OUT
D50
+12V
SPG09-DB-009
JK1101
1
2
3
4
5
6
7
8
9
10
100
R1123
1K
R1100
BAP70-02
50V
D1100
+3.5V_ST
1/
10
W
15
0K
T
U
O_
RE
W
OP
_
US
P
R
51
1/8W
200K
1%PSU_POWER_OUT
R53
+12V
EXT_12V
22uF
16V
POWER_OUT
C64
22uF
16V POWER_OUT
C63
CB3216PA501E
POWER_OUT
L54
EXT_PWR_DET
0.1uF
16V
OPT
C56
1uF
16V
POWER_OUT
C62
1K
POWER_OUT
R63
43
POWER_OUT
R65
0.1uF
50V
POWER_OUT
C65
470pF
50V
POWER_OUT
C61
1/16W
1.2K
POWER_OUT
R67
100
POWER_OUT
R64
100K
POWER_OUT
R66
MP5000DQ
POWER_OUT
IC52
3
ENABLE/FAULT
2
DV/DT
4
I-LIMIT
1
GND
5
NC
6
SOURCE_1
7
SOURCE_2
8
SOURCE_3
9
SOURCE_4
10
SOURCE_5
11
VCC
+12V/+15V
CB3216PA501E
LIPS_POWER_OUT
L51
POWER_OUT
D51
A
1
C
A
2
EXT12V_CTRL
1/
16
W
2
.4
K
5%
PO
W
ER
_O
U
T
R
68
NCP803SN293
IC51-*1
POWER_OUT_ON_SEMI
1
GND
3
VCC
2 RESET
APX803D29
POWER_OUT_DIODES
IC51
1
GND
3
VCC
2 RESET
20110324
GP3_S7LR
RS232C_9PIN
10
c l o s e t o p i n
( F o r E x t e r n a l p o w e r )
DC DC CONVERTER +12V_ONLY PSU
RS232C
S w i t c h i n g n o i s e r e d u c i n g [ M P S r e c o m m e n d ]
$0.21
12V EXT PowerOut
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