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10.2. MCU NO FUNCTION
3V3_A
on pin 18
of I112
Check
pin 19
of I112
low level
Y
Check
I102
N
Check
D110
N
Check 12MHz
colok on pin 7
of I112
Y
Check
X1
N
Check IIC
pin 31,32 of
I112 are
high level
Y
Check Trace
heven't open
or short
TO I114 and I103
N
Check
AD0,AD1,AD2,
AD3 Voltage Pin
33,34,35,36 of
I112
Y
Check
key-pad and P109
N
ViewSonic Corporation
25
Confidential
–
Do
Not
Copy
VA720-1
VE175/b
Содержание va720-1
Страница 1: ......
Страница 10: ...4 2 EXPLODED VIEW PARTS LIST ViewSonic Corporation 6 Confidential Do Not Copy VA720 1 VE175 b 0 1 0 1 2 3 43 4...
Страница 22: ...9 PCB LAYOUT 9 1 MAIN PCB TOP VIEW ViewSonic Corporation 18 Confidential Do Not Copy VA720 1 VE175 b...
Страница 23: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation 19 Confidential Do Not Copy VA720 1 VE175 b...
Страница 24: ...9 3 CON PCB TOP VIEW ViewSonic Corporation 20 Confidential Do Not Copy VA720 1 VE175 b...
Страница 25: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation 21 Confidential Do Not Copy VA720 1 VE175 b...
Страница 26: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation 22 Confidential Do Not Copy VA720 1 VE175 b...
Страница 27: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation 23 Confidential Do Not Copy VA720 1 VE175 b...