Read LG 42LP860H (CHASSIS:LD33B) Service Manual online
THERMAL
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.
R9105
100K
100K
C9100
0.1uF
16V
OPT
0.1uF
16V
OPT
R9101
1K
1K
R9103
10K
10K
P_12V
EXT_PWR_DET
R9109
2.4K
2.4K
R9102
1.2K
1/16W
1.2K
1/16W
C9103
22uF
16V
22uF
16V
EXT_12V
R9115
100
100
EXT_12V
R9112
11K
11K
1%
EXT_5V
C9101
22uF
16V
22uF
16V
D9101
A2
C
A1
R9116
12K
1%
R9113
56K
56K
1%
R9104
43
43
IC9100
APX803D29
1
GND
3
VCC
2
RESET
L9101
CB3216PA501E
IC9103
TPS54327DDAR
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
EXT12V_CTRL
L9104
3.6uH
3.6uH
NR8040T3R6N
C9109
0.1uF
50V
50V
C9108
1uF
10V
1uF
10V
C9111
10uF
25V
10uF
25V
IC9101
MP5000DQ
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
EXT_5V
C9112
100pF
L9102
BLM18PG121SN1D
C9105
470pF
50V
470pF
50V
P_12V
C9107
0.1uF
0.1uF
50V
R9108
200
C9115
3300pF
50V
3300pF
50V
EXT5V_CTRL
+12V
P_12V
L9103
CB3216PA501E
C9113
0.1uF
50V
OPT
C9114
22uF
25V
22uF
25V
OPT
C9116
0.1uF
50V
OPT
2012.12.10
xxLP860H-ZA
91
5V/12V EXT.Power Out
EXTERNAL_POWER OUT 5V/12V
EXTERNAL_POWER DETECTION
close IC1800
Vout=(1+R1/R2)*0.765=5.03V
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