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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TOUT_12V
G
TRIGTRIGGER
DR
232_C1-
VOUT_TRIGGER
CPU_RXD0
TX1
RX1
232_C2+
RSV+
T1OUT
R1IN
232_C2-
232_C1+
RSV-
RX
CPU_TXD0
FRONT_IR
VCC_IR
GG
RXX1
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+12VA
CPU_TXD0
CPU_RXD0
+5VS
IR
IR
+12VA
+5VS
+5VS
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+5VS
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-C3-304-004
CONNECTOR BOARD
68
ALEX HY TSENG BEN CHEN
48.J5810.S02
S02
ANGEL HU
<Size>
HT720G
99.J5877.001
0
Monday, February 17, 2003
NA
84.04431.037
1:TURN ON
0:TURN OFF
69.42001.021
2N3904
1_B 2_E
3_C
C125
0.1UF
R64
100
R69
1K
+
C114
10UF/25
D20
27V
C124
0.1UF
C116
0.1UF
FCB3216K
L27
1
2
U14
SP232
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
R58 130
J7
2213008001
1
1
2
2
3
3
4
4
D21
27V
R74
10K
J6
SCD437
3
2
1
C123
0.1UF
+
C115
10UF/25
12
FCB3216K
L24
1
2
R61 150/1206
1 2
D18
27V
Q2
Si4431DY
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
J9
20.D0049.103
1
2
3
D19
27V
R60 NC_R1206
1 2
U12
FM6038TM2
VOUT
1
GND
2
VCC
3
R55
47K
C117
0.1UF
C121
0.1UF
C119
0.1UF
R54 47
R68
1K
R62 150/1206
1 2
R63
1K
R59 NC_R1206
1 2
C118
4.7UF/16
C126
47PF/50
Q3
2N3904
32
1
C127
47PF/50
C122
0.1UF
R57
10K
F1
PICOFUSE
R56 1K