ViewSonic N4261w-1M Service Manual page 35

9.2 MICROCONTROLLER
VsubIR
C468
J9 100U
L105 SBK16-102
1
L106 SBK16-102
2
L107 SBK16-102
3
L108 SBK16-102
4
LED/IR
J10
L109 SBK16-102
1
L110 SBK16-102
2
L111 SBK16-102
3
L112 SBK16-102
4
L113 SBK16-102
5
L114 SBK16-102
6
L115 SBK16-102
7
L116 SBK16-102
8
L117 SBK16-102
9
KEYPAD
V5up V5up
2. R357
R357 R299
10K 10K
Q16
3906
R301 1K
1
P{9} PWRDOWN
POWER OFF=HI C483
100U
V5up
R305
10K
PWSW
R308
P{9} 2030CLOCK
R309
P{17}
AC_ON
R310 10K
V5up
C485 22P
R313
3
Y8 1M
12 MHZ
C486 22P C487
10U
D30
1N4148
ViewSonic Corporation
Vsub
Vsub
1
U39
2 4
R297
74LVC1G126
1K
LED1 Vsub
U40A
74LVC14
I RRC
1 2
C473
Vsub
.1
1N4148 D26 Vsub Vsub
A K
U40C
74LVC14
V12_ON
A K 5 6 9
1N4148 D27
PWRON
V5up
U41 SM5964C40J
43 24
P0.0/AD0 P2.0/A8
42 25
P0.1/AD1 P2.1/A9
41 26
P0.2/AD2 P2.2/A10
40 27
P0.3/AD3 P2.3/A11
39 28
P0.4/AD4 P2.4/A12
38 29
P0.5/AD5 P2.5/A13
37 30
P0.6/AD6 P2.6/A14
36 31
P0.7/AD7 P2.7/A15
2 11
P1.0 P3.0/RXD
PWROFF
3 13
P1.1 P3.1/TXD
R307
4 14
P1.2 P3.2/INT0
5 15
P1.3 P3.3/INT1
100_NC
6 16
P1.4 P3.4/T0
100 C484
7 17
P1.5 P3.5/T1
8 18 .01
P1.6 P3.6/WR
9 19
P1.7 P3.7/RD
21 33
XTAL1 ALE/PROG
20 32
XTAL2 PSEN
35
V5up
EA/VPP
10
RST
V5up
R314
R315
+
R316
10K
32
N4261w-1M
Confidential - Do Not Copy
R296 470
IR P{9}
Vsub
U40B
74LVC14
IRup
3 4
KEY[6:0] P{9}
KEY0
KEY1
KEY2
KEY3
KEY4
KEY5
KEY6
U40D
74LVC14
PWSW
8
R300 2.2K
V5up
R304
3.3K
3.3K IRup
0 PWSW
0_NC
CEC {3,9}
Vsub
D18
A K
1N4148
C470
.1
V5up
R298
5.6K
V12_ON
V12_ON P{19}
Q15
2N7002
G
C482
.1
V5up
R302
30K
Q17
2N7002_NC
R306 5.6K_NC
G
D29
R311
A K
P[9]
DPMS
1N4148
R312
1K
V5up
C469
C471 C472
100U
.1 .1
VCC
D28
1N4148
R303
470
LED1
10K Q18
B
3904