Read LG 22LF15R (CHASSIS:LP81K) 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.
12V_PANEL
0.1uF
50V
C1018
12V_AMP
22uF
16V
C1020
10K
R1014
DIMMING_CTL
6.8K
R1018
10K
R1017
MP1583DN-Z
IC1002
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
5V_G
RL_ON
5V_TUNER
15V
PWM_DIM
1/16W
59K
R1020
INV_CTL
10K
R1019
2700pF
50V
C1019
5V_G
1K
R1010
100
R1006
15V
10K
READY
R1013
2.5V_MST
AZ1117H-2.5TR/E1
IC1003
1
ADJ/GND
2
OUTPUT
3
INPUT
2.5V_DDR
WAFER-STRAIGHT
P1000
1
15V(18v)
2
15V(18v)
3
GND
4
GND
5
5V
6
5V
7
ACD
8
PWR-ON
9
INV_CTL
10
DIM
11
INV_BR
470uF
25V
C1023
0.47uF
25V
C1012
0.01uF
50V
C1013
1uF
25V
C1004
0
R1001
0
R1002
30uH
L1003
READY
R1003
10K
R1012
1uF
25V
C1006
READY
1uF
25V
C1007
5V
0
R1000
READY
KA78M05-R
IC1005
2
2
3
3
1
1
100uF
16V
C1014
100uF
25V
C1022
100
R1007
1.1K
R1008
220uF
16V
C1026
2SC3052
Q1000
E
B
C
330uF 25V
C1002
470uF
16V
C1005
470uF
16V
C1003
1uF
25V
C1016
1uF
25V
C1024
2W
43
5
%
R1022
2W
43
5
%
R1021
MBW3216-501TF
L1004
MBW3216-501TF
L1005
MBW3216-501TF
L1002
BG2012B080TF
L1001
BG2012B080TF
L1000
0
R1011
ST_3.3V
100uF
16V
C1008
0
R1009
18K
R1004
0.1uF
C1001
10uF
C1009
5.6K
R1005
SC4215ISTRT
IC1000
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
4.7uF
C1000
ST_5V
ST_5V
0
R1023
READY
0.1uF
50V
C1027
READY
0.1uF
50V
C1028
READY
0.1uF
50V
C1029
READY
RT1C3904-T112
Q1001
READY
E
B
C
4.7K
R1024
READY
5V_G
100K
R1029
1K
R1028
READY
1N4148W
READY
D1003
0.1uF 50V
C1037
22uH
L1007
3225
22uF
16V
C1032
RL_ON
5600pF
50V
C1036
0.1uF
50V
C1034
0.1uF
50V
C1035
9.1K
R1027
ST_1.2V
MBW3216-501TF
L1006
MP2305DS
IC1006
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
ST_5V
0.47uF
25V
C1030
470uF
16V
C1033
2.4K
1%
R1025
6.8K
5%
R1026
1N4148W
READY
D1004
MBRS340T3G
D1002
0.1uF
50V
C1031
ST_5V
STAND_BY VOLTAGE
FROM LIPS
POWER
9 9
2007/11/19
LP81K
GENERAL VOLTAGE
V0 = 0.8(R1+R2) / R2
ST5V->ST3.3V->ST1.2V
R2
(OUT:1.27V)
R1
15V,ST5V
FROM SI4925
15V==>12_AMP
5V==>5V_G
12_PANEL
5V_TUNER
3.3V_MST
2.5V_MST
2.5V_DDR
SCHEMATIC DIAGRAM
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