5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
USB
IR
KEY
connector
USBP
USBM
USB_VCC
STANBY/ON
IR
OPEN/CLOSE
GND1
USB_VCC
USBM
USBP
OPEN/CLOSE
IROUT
LED
STANBY/ON
IR
GND1
USB_VCC
LED
VCC
VCC
VCC
C313
100pF/50V/NP0
C313
100pF/50V/NP0
XS1
6PIN/2.0mm
XS1
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
KEY1
OPEN/CLOSE
KEY1
OPEN/CLOSE
R328
2.2K
R328
2.2K
R303
100
R303
100
R337
NC/10K
R337
NC/10K
KEY2
STANBY/ON
KEY2
STANBY/ON
R331
1K
R331
1K
C158
0.1uF/50V/Y5V
C158
0.1uF/50V/Y5V
IR1
IRM_8.3mm
IR1
IRM_8.3mm
IR
1
GND
2
VCC
3
XS2
4PIN/2.0mm
XS2
4PIN/2.0mm
1
1
2
2
3
3
4
4
R335
200
R335
200
Q7
NPN_3DG3904M
Q7
NPN_3DG3904M
C310
1uF/10V/Y5V
C310
1uF/10V/Y5V
+
CE36
220uF/6.3V
+
CE36
220uF/6.3V
C309
0.1uF/50V/X7R
C309
0.1uF/50V/X7R
R325
NC
R325
NC
Q8
NPN_3DG3904M
Q8
NPN_3DG3904M
C317
47pF/50V/NP0
C317
47pF/50V/NP0
R336
5.1K
R336
5.1K
R321
100
R321
100
R38
100
R38
100
P1
4PIN/2mm
P1
4PIN/2mm
VCC
1
D-
2
D+
3
GND
4
Shell B
6
Shell A
5
LED2
LED_GREEN
LED2
LED_GREEN
C312
100pF/50V/NP0
C312
100pF/50V/NP0
R305
100
R305
100
9-1
9-1
Circuit Diagram-Front Control Board