5 4 3 2 1
D
C
B
A
KEYPAD4
KEYPAD3
KEYPAD8
KEYPAD7
KEYPAD2
KEYPAD6
KEYPAD1
KEYPAD5
KEYPAD9
KEYPAD0
SDA
SCL
BACK_LIGHT_CTRL
BACK_LIGHT_CTRL
KEYPAD[0..9]
+5VS
+3VS
SDA
SCL
LAMP_PROTECT
DLP_RESETZ
FAN_CTRL
DLP_RST
POWERON
+12VA
BACKLIGHT_CTRL
KEY_LED1
KEY_LED0
KEY_LED2
IR
+5VS
+3VS
+12VA
+3VS
Title
Size Document Number Rev.
Date: Sheet
of
Project Code
Reviewed By Approved By
Prepared By
Model Name
PCB P/N
PCB Rev.
Benq Corporation
OEM/ODM Model Name
99.J5877.R22-C3-304-001
MAIN BOARD
2
10
COLIN CHANG BEN CHEN
48.J5801.S02
S02
ANGEL HU
<Size>
HT720G
99.J5877.001
0
Thursday, January 16, 2003
NA
KEYPAD CONNECTOR
THERMAL CONNECTOR
J5
CON_12P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
C1
0.1UF
U8D
74HC132
12
13
11
147
J1
CON20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20