ViewSonic VP930b-3 - Page 45

6.2. NO DISPLAY
6.3. LOSE COLOR
Power key
work ok
Check
H V sync
Check R.G.B
DATA
Check
X101
Check I103
HS,VS
HWRESET
Check
BACKLITE
Check
Keypad
Check I103
Check
I/O cable
Check
C130,C131
Check
SCL,SDA
Check
Q104
Check
5V
Check
P101,P102,P10
3
Check
I102,Q102
Check
I102,Q102
Check
SCL,SDA
I104
Check
P983 WIRE
Check
I103
Check
I/O cable
Check
P102
Check
3.3V,1.8V
Check
I105
Check
PANEL
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Some bits
lost
Check I103
Pin
I105 poor
soldering
P105 poor
soldering
I103 or
R-pack
soldering
I103 poor
soldering
Lose color
R or G or B
Check P101
Pin 8,10,12
Check
C101,C102,C1
03,R106,R107,
R108
I103
fail or poor
soldering
Check
Sign Cable
Y
N
N
N
Y
Y
Y
ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3
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