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5
Motor current spec : 0.4 A
+5VA
U28
D
NM_LD1117L-3.3V-A
3
2
VIN
VOUT
C386
NM_100U 16V
TP190
R282
7
Motor_On/Off
C
Motor Forward (software sequence):
》
A. Start ( Press "
" first t
ime)
1. Motor Control => "H"
2. Motor On/Off => "H"
》
B. Stop ( Press "
" secondary tim
1. Motor On/Off => "L"
Reverse
TP193
R288
7
MotorControl_forward
B
A
5
4
3.3V_Motor
Q24
NM_AO4405
3
2
1
+
C387
<Spec>
NM_0.1U K
R281
NM_10K
NM_4.7K
Q25
B
NM_2N3904S
R283
C388
NM_10K
NM_0.1U K
+5VA
+5VA
R286
R287
e)
NM_4.7K
NM_4.7K
Q29
B
NM_2N3904S
Q30
NM_4.7K
B
L
NM_2N3904S
4
3
Motor Control
H
L
8
7
6
5
TP191
Q28
TP192
4
Motor
G1
5
1
C389
6
2
8
3
NM_0.1U K
7
G2
2
+5VA
DN7
DN8
J
J
NM_BAV99
NM_BAV99
3
2
》
Forward or "
" k
ey
Reverse or "《 " key
+5VA
R284
Q26
NM_4.7K
4
Q27
5
6
8
NM_2N3904S
7
2
J18
G1
1
2
3
G2
BenQ Corporation
Project Code
Model Name
9J.M7375.001
V37C
Title
MAIN BOARD
Size
P CB Rev.
PCB P/N
<Size>
4H.M7301.S13
S13
Tuesday, April 04, 2006
Date:
Prepared By
Reviewed By
ANGEL HU
HOLION LEE
2
1
C
3904
3906
B
E
D
C
Forward
R285
NM_4.7K
B
B
OEM/ODM Model Name
<OEM/ODM>
A
Document Number
R ev.
2
9J.M7375.BAE-C3-304-001
Sheet
14
o f
14
Approved By
DOMINGO HUANG
1
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