Service manual

8.13. IR AND KEYPAD INTERFACE
LED & IR
OPCTRL1
OPCTRL2
GPIO_71
GPIO_72
GPIO_73
GPIO_74
OPCTRL3
Power
Enter / Source
CH Up
CH Down
Menu / Exit
VOL Inc
VOL Dec
OPCTRL0LED_Ctrl
KeyPad
VOL Dec
VOL Inc
CH Down
CH Up
Enter/Source
Menu/Exit
Power
2007/01/11_modified
2006/12/13_modified
OPCTRL2
LED_G
GPIO_72
OPCTRL1
OIRI
OPCTRL3
GPIO_71
LED_R
GPIO_74
OPCTRL0
OPCTRL3
GPIO_131
GPIO_[71..84]
GPIO_132
GPIO_133
OIRI
OPCTRL0
OPCTRL1
GPIO_130
OPCTRL2
GPIO_73
IR_VCC
DV33SB
+5VSB
AGND_PLL
AGND_AFE
AGND_LVDS
GND
AGND_HDMI
OPCTRL34
GPIO_[71..84]4,10
GPIO_1314,10
GPIO_1324,10
GPIO_1334,10
OIRI4
OPCTRL04
OPCTRL14
GPIO_1304,10
OPCTRL24
DV33SB2,4,5,6,9,11,12,13
+5VSB2,9,10,12,13
AGND_PLL2,3,4,5,6,7,8,9,10,11,12,13
AGND_AFE2,3,4,5,6,7,8,9,10,11,12,13
AGND_LVDS2,3,4,5,6,7,8,9,10,11,12,13
GND2,3,4,5,6,7,8,9,10,11,12,13
AGND_HDMI2,3,4,5,6,7,8,9,10,11,12,13
+5VSB
DV33SB
DV33SB
C487
0.1uF
C0603
R368
1K
R0603
R363
4.7K
R0603
C492
0.1uF
C0603
C484
0.1uF
C0603
R3754.7K R0603 R3704.7K R0603
C489
0.1uF
C0603
R367
470
R0603
C490
0.1uF
C0603
C483
0.1uF
C0603
P115
7P_2mm
1
2
3
4
5
6
7
Q127
2N3904
SOT-23
1
2 3
C485
47uF/16V
CE025050
R3724.7K R0603 R3764.7K R0603 R3734.7K R0603
R365
4.7K
R0603
C486
470P
C0603
Q128
2N3906
SOT-23
1
23
C493
0.1uF
C0603
C488
0.1uF
C0603
P114
6P_2mm
1
2
3
4
5
6
R364
4.7K
R0603
R366 1K
R0603
C491
0.1uF
C0603
R369
47
R0603
R3744.7K R0603 R3714.7K R0603
ViewSonic Corporation Confidential - Do Not Copy N3235w-1M
71