ViewSonic N3735w-2M Service Manual page 78

8.11. IR AND KEYPAD INTERFACE
Q126
1
2N3904
SOT-23
DV33
R439
0
R0402
R427
NC/0
R0402
ViewSonic Corporation
DV33SB
C492
0.1uF
R409 C0402
4.7K
R0402
R410
4.7K Q127
1
R0402 2N3906
R411 SOT-23
4.7K R412
R0402 4.7K
OPCTRL0 R0402
R413
470
R0402
DV33SB
OIRI
ADIN4
OPWM0 VOL Dec
GPIO_6 VOL Inc
GPIO_3 CH Down
GPIO_1 CH Up
ADIN2 Enter/Source
OPWM1 Menu/Exit
75
N3735w-2M
Confidential - Do Not Copy
+5VSB
R415
R414 47
1K R0402
R0402
C493 C494
0.1uF 47uF/16V
C0402 CE025050
P118
Power
1
IR_VCC
2
LED & IR
3
4
LED_G
5
LED_R
6
B6B-PH
C495 6P200VM
470pF
C0402 P119
1
2
3
KeyPad
4
5
6
7
B7B-PH
7P200VM
ADIN4
4 ADIN4
OPWM0
4 OPWM0
GPIO_6
4 GPIO_6
GPIO_3
4 GPIO_3
GPIO_1
4 GPIO_1
ADIN2
4 ADIN2
OPWM1
4 OPWM1
OIRI
4 OIRI
KeyPad/IR INPUT
OPCTRL0
4 OPCTRL0
+5VSB
2,4,7,8,10 +5VSB
DV33SB
2,4,7,9,10 DV33SB
DV33
2,4,5,9,10,11 DV33
GND
2,3,4,5,6,7,8,9,10,11 GND
LED_Ctrl OPCTRL0
Power ADIN4
VOL Dec OPWM0
VOL Inc GPIO_6
CH Down GPIO_3
CH Up GPIO_1
Enter / Source ADIN2
Menu / Exit OPWM1