LG RD-JT30 Service Manual page 164

5
D
P5V
C116
4. 7U Z
50V
C
B
R79
VRSTEN
1K
A
5
4
VNEG1
C111
D2
1 U Z MBR0540T1
50V
P12V
D3
1 2
L7
22UH
C112
MBR0540T1
4. 7U Z
50V
U12
SW
1
SW
5
VIN
2
GND
4
SHDN
3 FB
FB
LT1613CS5
V NEGRAIL
R73 R74
100KF 27K
V REFN5
D 4
LM4040
Q5B
MMDT2907A
Q5A
V NEGSENC VNEGSENB
1 6 5
MMDT2907A
4
3
V NEGRAIL
2 1
D1
C109 C110
MBR0540T1
4. 7U Z 4. 7U Z
50V 50V
C113
C114
R68 4. 7U Z
C115 4. 7U Z
100KF 50V
4.7P J
50V
50V
R71
4.32KF
1
U13
3
V NR SN6 R76 V NR SN7
1
4 24.3F
OPA237
V NEGRAIL
C119
0.01U M
1
V NEGRAIL
V NR SN5 R80
20KB
R81
4.75KB
3
2
R67
VPOS1 VPOS2
27
R69
UMT2907A
1 VPOS3
Q2
1K
R70
27K
VPOS4
R72
27K
Q3
MMBT2222A
V NR SN8
R75
24.3F
VRST
V NR SN9 R77
1
R78
C117 C118
33
4. 7U Z 0.1U K
V NRSN10
UMT2907A
Q4
Benq Corporation
Project Code
Title
Size
<Size>
D a te:
2
1
VPOSRAIL
4
3 2
Q1
IRFL9014PC
Model Name OEM/ODM Model Name
N A
JT31
99.J5577.001
MAIN BOARD
PC B P/N P C B R ev. Do cu ment Number R e v .
48.J5501.S02 S02 304-C01
Wed nesd ay, Nove mber 20, 2002
Sheet 8 o f 20
Pre pared By Re vi ewed By A p proved By
A NGEL HU D A V I D HN L IN H.C . TSOU
1
D
C
B
A
0