5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
D7
D0
D1
D2
D3
D4
D5
D6
D0
D1
D2
D3
D5
D6
D7
D4
D[15:0]
D[15:0]
V33
V33
GND_SIGNAL
GND_SIGNAL
GND
GND
GND
GND
GND
+5V
LED_BLU
ENTER
KEY_DEC
EXIT
PW_SW
I-KEY
KEY_INC
ENTER
KEY_DEC
KEY_INC
EXIT
I-KEY
PW_SW
CS0n
LED_ORG
RESETn
CS1n
LCD_ON
LED_BLU
LED_ORG
BL_ON
VOL_ON
RS232_EN
D-SUB_CABLE_DETECT
ADC_PW_ON
Power_OFF
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
6
7
WAIT CHEN
DAVEN WU
48.L9001.S11
S11
ANGEL HU
<Size>
Q7C3
99.L9072.001
0
Tuesday, May 13, 2003
NA
L5
240 OHM
TP26
C72
100P
50V J
R75
4.7K
TP27
U8
74LCX244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
OE1
1
OE2
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
R602
100
TP28
C73
100P
50V J
L7
240 OHM
R68
O
P
E
N(4.7K)
TP29
R67
0
R61
1K
C74
100P
50V J
R66 1K
R69
4.7K
TP30
R65 1K
CON1
2060091109
1
2
3
4
5
6
7
8
9
L8
240 OHM
TP31
C78
0.1U K
C75
100P
50V J
R70
4.7K
C81
0.1U K
TP32
R64 1K
C80
0.1U K
R603
0
R0805
C79
0.1U K
R71
4.7K
R601
100
C76
100P
50V J
R76
0
TP33
L9
240 OHM
R72
4.7K
C77
100P
50V J
L6
240 OHM
R62 1K
R604
0 (OPEN)
R0805
R77
OPEN
R73
4.7K
L10
240 OHM
R63 1K
R74
4.7K
U7
74LVC273
CLR
1
GND
10
CLK
11
VCC
20
Q1
2
Q2
5
Q3
6
Q4
9
Q5
12
Q6
15
Q7
16
Q8
19
D1
3
D2
4
D3
7
D4
8
D5
13
D6
14
D7
17
D8
18
