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5
+15VIN
+ 5VAIN
D
J13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TP174
17
18
19
20
7
E_PWM
21
22
2K62098211
C
+15V
L61 Z220
R295
0
1
IN
C328
+
220U 25V
<Spec>
GND_POWER
Q22
B
B
2,9
P WR_ON
R254
10K
2N3904S
GND_POWER
GND_POWER
U24
+5VS
L65 Z220
SI-8008TM-TL
1
IN
C334
+
220U 25V
<Spec>
C340
GND_POWER
1U K
A
GND_POWER
5
4
(2.5A, 0.04 OHM, 0805)
L98
Z200
L99
Z200
+12V
L55
Z200
L57
Z200
L58
Z200
+5VSIN
L59
Z200
L60
Z200
TP170
C316
+
C319
C320
C321
TP171
0.1U K
0.1U K
0.1U K
TP172
220U 16V
TP173
TP175
R247
0
TP176
R248
100
TP177
R249
100
C325
C326
C327
220P J
220P J
220P J
(For EMI)
U22
SI-8008TM-TL
2
L62
SW
33U K
D6
R250
8.2K
SS24-LF
+
C329
220U 16V
<Spec>
R252
180
820 ohm
C333
R255
Ripple noise reduce
620 J
1U K
Vo=Vadj * (R1+R2) / R2
2
L66
L91
SW
33U K
D8
R256
2.4K
SS24-LF
+
C335
+
C407
47U 16V
22U 16V
R326
<Spec>
<Spec>
100
R257
180
R324
620 J
4
3
+15V
+5VA
C322
C403
+
C404
C317
+
C323
0.1U K
0.1U K
0.1U K
220U 25V
220U 16V
220U 16V
L CD_BR
7
POWER SUPPLY
P WR_ON 2,9
L CD_ON
9
CONNECTOR
+9V
+5VS
L89
Z80
L63 Z220
1
IN
C330
+
220U 25V
+
C405
22U 16V
<Spec>
<Spec>
GND_POWER
GND_POWER
+3.3VS
Z80
U 25
+3.3VS
L67 Z220
1
IN
OUT
C336
+
G953-25T6UF
10U M
16V
3
2
+5VS
PW318B standby power consumption:
1.8V
Standby mode
2.5V
30mA
3.3V
20mA (include external SDRAM)
Total
20mA
170mW
C318
+
C324
0.1U K
PINS:
1-4: +12V
5-7: +5VA
8-10: +5VS
11-18: GND
19: E_PWM
20: LCD_BR
21: LCD_ON
22: PWR_ON
U23
SI-8008TM-TL
2
L64
SW
33U K
D7
R251
1K
SS24-LF
+
C331
47U 16V
<Spec>
C332
R253
1 U K
180
R325
620 J
Add bead for EMI
+2.5VS
L101
Z80
3
BenQ Corporation
C337
+
Project Code
220U 16V
C339
9J.M7375.001
0.1U K
Title
Size
PCB P/N
<Size>
4H.M7301.S13
T uesday, April 04, 2006
Date:
Prepared By
AN GEL HU
2
1
D
H S1
G1
GND
G2
GND
NM_Heat-Sink
C
+1.8VS
L90
Z80
+
C406
22U 16V
<Spec>
L87
Z80
L88
Z80
B
GND_POWER
POWER SUPPLY
CONNECTOR
Model Name
OEM/ODM Model Name
V37C
<OEM/ODM>
A
M AIN BOARD
P C B Rev.
Document Number
R e v .
2
S13
9J.M7375.BAE-C3-304-001
Sheet
12
o f
14
Reviewed By
Approved By
HOLION LEE
D O MINGO HUANG
1
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