BenQ Q7T3-FP737S Service Manual page 89

5
D
KEY_INC
KEY_MENU
KEY_EXIT
KEY_DEC
PW_SW
I_KEY
C
J5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
20.72060.207
C73 C74
0.1U 0.1U
50V Z 50V Z
OPEN
A
5
4
U2E
11
LED_GRN
74LVC14A
LED_ORG
L21 R57 1K
L22 R58 1K
L19
L20
L24
L23
C63
100P
50V J
C69
+
C75 C76 C77
10U
0.1U 0.1U 0.1U
16V
50V Z 50V Z 50V Z
OPEN
4
3
R53 200
10
U2F
13 12
74LVC14A
R55 1K
R56 1K
R60 1K
C64 C61 C62
100P 100P 100P
50V J 50V J 50V J
BRT_ADJ
BL_ON
LCD_ON
L15
L18
VOLUME
VOL_ON/OFF
C72
+
C78 C81
10U
0.1U 0.1U
16V
50V Z 50V Z
3
2
R54 100
1
2
3
4
5
6
7
R59 1K
8
9
C66 C65
C67 C68
100P 100P
0.1U 0.1U
50V J 50V J
16V K 16V K
R23
0
PWM output first, it must be "H" when no work.
+5V
+3.3V
IRU1206-25CY
+3.3V
1
IN
C70
0.1U K
Benq Corporation
Project Code
99.L8372.001
Title
Size
PCB P/N
<Size>
48.L8301.S11
Tuesday, February 11, 2003
Date:
Prepared By
ANGEL HU
2
1
J4
2060091109
U5
3
+2.5V
OUT
C71 C79
+
10U
0.1U K
16V
Model Name OEM/ODM Model Name
Q7T3-FP767S
NA
INTERFACE BOARD
PCB Rev. Document Number
S11 99.L8372.000-C2-204-004
4
5
Sheet o f
Reviewed By Approved By
JAMSON LIU DAVEN WU
1
D
C
B
A
R ev.
0