Circuit Diagrams and PWB Layouts
10.
Extension Board: PC power
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Audio_SW
SDA_SUB
SCL_SUB
SYS_POWERON
SDA_FAN
SCL_FAN
SDA_FAN
SCL_FAN
SCL_SUB
4,5,8,9,10
Audio_SW
9
SDA_FAN 10
SCL_FAN 10
SDA_SUB
4,5,8,9,10
SYS_POWERON
4,8,9
VCC_AMP
+12V_SW
+5VS
+5VS
+12V_SW
+3.3V
+3.3V
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No.361,5F.,Fu-Sing 1 Rd.,Gueishan Hsiang, Taoyuan, Taiwan
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B2A
12.PC_POWER
B
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Friday, January 09, 2009
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Standard Circuit Design
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From M/B input 12V
Light_Sensor
C256
0.1uF/6
R547
0R/6
D42
NC
1
2
R545
10K/6
+
C2
6
4
10uF
/5
0
V
R540
4.7K/6
C255
0.1uF/6
CN11
EIC_4606-05/NC
4
3
2
1
5
U36
NC7SB3157P6X_NL(AL003157107)
B1
1
GND
2
B0
3
A
4
VCC
5
S
6
R548
0R/6/NC
L77
121A4/8
CN12
4500-E04N/NC
1
2
3
4
L76
121A4/8
R539
0R/6
Q66
2N7002
3
2
1
C261
0.1uF/6
R538
10K/6
U37
NC7SB3157P6X_NL(AL003157107)
B1
1
GND
2
B0
3
A
4
VCC
5
S
6
C262
0.1uF/6
Q67
2N7002
3
2
1
Q63
MMBT3904
3
1
2
R544
0R/6
Q62
SI9435
2
3
4
5
7
6
8
1
R546
10K/6
C257
NC
R549
0R/6/NC
1
8
4
3
0_5
3
1_090204.ep
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