BenQ Q7C3, Service Manual

Page: 58 / 70

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
GND GND
GND GND
+5V
V33
+12V
GND
GND
V33
GND GND
GND GND
V18 V33
V18A
V18A
GND
GND
GND
GND
BL_ON
BRT_ADJ
VOL_ON VOL_ADJ
Power_OFF
ADC_PW_ON
Title
Size Document Number R ev.
Date: Sheet o f
Project Code
Reviewed By Approved By Prepared By
Model Name
PCB P/N
PCB Rev.
Benq Corporation
OEM/ODM Model Name
99.L9072.000-C3-304-001
INTERFACE BOARD
2 7
WAIT CHEN DAVEN WU
48.L9001.S11
S11
ANGEL HU
<Size>
Q7C3 99.L9072.001
0
Tuesday, May 13, 2003
NA
C3
0.1U K
C17
0.1U K
R6
OPEN
Q201
OPEN(2N3904)
1
3
2
R3
OPEN
+
C14
22U
16V
1
2
+
C201
OPEN(47U)
16V
1
2
C9
OPEN(0.1U K)
C13
0.1U K
C4
0.1U K
R203
OPEN(100K)
C10
0.1U K
+
C202
OPEN(47U)
16V
1
2
R204 0
C11
0.1U K
+
C12
22U
16V
1
2
R202
OPEN(10K)
T.L.
U201
OPEN(GF4435)
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
U2
G952T63U
VIN
3
GND
1
VOUT1
2
VOUT2
4
+
C20
OPEN (22U)
16V
1
2
FB1
OPEN(80 OHM)
J1
2072060207
1 2
3 4
5 6
7 8
9 10
11 12
13 14
L4
80 OHM
R201
OPEN(20K)
C19
0.1U K
C21
0.1U K
+
C7
22U
16V
1
2
+
C18
22U
16V
1
2
D201
OPEN(30V)
1 2
L3
80 OHM
C1
0.1U K
+
C5
OPEN (22U)
16V
1
2
L1
OPEN(80 OHM)
R2
0
R0805
R5
0
R0805
R1 OPEN
R4 OPEN
+
C16
OPEN(22U)
16V
1
2
C2
0.1U K
U1
G952T63U
VIN
3
GND
1
VOUT1
2
VOUT2
4
C15
0.1U K
+
C6
OPEN (22U)
16V
1
2
C8
OPEN(0.1U K)