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Schematic Diagram
Main Board
POWER INPUT
CN701
1
+12V
2
+12V
3
+12V
4
GND
5
+5V
6
+5V
7
+5V
8
GND
9
GND
10
GND
11
ON_OFF
12
Dimming
13
PS_ON
14
GND
CONN
PANEL_EN
POWER ON
LOW
POWER OFF
HI
R714
NC
6
PANEL_EN
R717
4K7 1/10W 5%
FOR USB POWER
6
+12V
+12V 6
REV:C
+
NC C701
NC C702
1000uF/16V
0.1uF
+5V
+5V 3,6
REV:C
+
+5V
C705
1000uF/16V
POWER ON
REV:C
R701
POWER SAVING
POWER OFF
10K 1/10W 5%
Q701
REV:C
2N3904S-RTK/PS
C727
0.1uF
R702
4K7 1/10W 5%
+5V
R703
REV:C
10K 1/10W 5%
R704
1K 1/10W 5%
R705
C709
4K7 1/10W 5%
BKLT-EN 6
0.1uF
Q702
2N3904S-RTK/PS
+5V
R706
1K 1/10W 5%
REV:C
R707
1K 1/10W 5%
Q703
REV:C
2N3904S-RTK/PS
NC C713
22uF 16V
R708
4K7 1/10W 5%
+VLCD
+5V
REV:C
Q705
R710
R711
100K 1/10W 5%
10K 1/10W 5%
REV:C
R712
100K 1/10W 5%
AO4403
C718
Q706
0.068uF
2N3904S-RTK/PS
Q707
2N3904S-RTK/PS
Q708
NC C721
2N3906S-RTK/PS /NC
0.22uF /NC
C723
NC
+12V
+
C724
NC
5
4
USB CTRL
3
USB_CTRL
2
1
CN702
NC
REV:C
PS_ON/OFF
BKLT-PWM
LOW
LOW
HI
HI
HI
HI
PS_ON/OFF 6
BKLT-PWM 4
+5V
+VLCD 7
+5V
45
+3.3V
+3.3V 4
FOR SCALER POWER
FB701
+5V
U701
120 OHM
3
2
1
VIN
VOUT
1
ADJ
REV:C
+
C706
AIC1084-33PM
C707
C704
SOT-263
C703
0.1uF
0.1uF
22uF 16V
1000uF/16V
+5V
+3.3V_SD
SOT-252
U702
3
2
Vin
Vo2
REV:C
C710
C712
C708
AIC1084-33PE
22uF 16V
0.1uF
0.1uF
Q704
L701
AO3401
22uH
D701
R709
SSM54PT
22R 1/10W 5%
U703
C716
8
4
0.001uF
VIN
FB
7
3
PGATE
N.C
R713
33K 1/10W 5%
C719
6
2
PWGND
AGND
0.001uF
5
1
R716
ADJ
ISENSE
15K 1/10W 5%
LM3485
R719
31.6K
Chapter 7
VCPU
2
VCPU 6
+3.3AVDD
+3.3AVDD 4
+3.3V_SD 4,5
+1.8V
+1.8V 4
REV:C
+
C714
C715
0.001uF
470UF 16V
C720
0.001uF
1% 1/10W
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