LG 55LH85 Service Manual page 52

A B C D E F G H
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
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
1
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
I J K L M N O P Q
IC501
SC338IMSTRT
DRV1 IN
1 10
ADJ1 DRV2
VCC3.3V
2 9
R507
EN1 ADJ2
3 8
4.7K
1005
PGD1 EN2
4 7
R505
4.7K
GND PGD2
1005
5 6
R S T U V W X Y
VCC1.0V(RF) VCC1.2V
VCC5V
VCC3.3V
R508
4.7K
1005
R506
C506 C504
4.7K
0.01uF 0.01uF
1005
25V 25V
C505 1005 1005
0.1uF
16V
1005
C510 C508 C509
C511
1uF 10uF 0.1uF
47uF
6.3V 6.3V 16V
6.3V
1005 1608 1005 7343
Z AA AB AC AD AE AF AG AH
VCC1.4V
Q501
SI4804BDY
C503 C513
C514
4.7uF 0.1uF
47uF
S1 D1_2
10V 16V
1 8 6.3V
@compC
2012 1005 7343
G1 D1_1
2 7
S2 D2_2
3 6
G2 D2_1
4 5
C501 C502 C507
C512
1uF 10uF 0.1uF
47uF
6.3V 6.3V 16V
6.3V
1005 1608 1005 7343
W-TV Rx
Power Supply2
AI AJ AK AL AM AN AO
2009.02.03
5 13