6.3. NO DISPLAY
6.4. LOSE COLOR
Power key
work ok
Check
H V sync
Check R.G.B
DATA
Check
X101
Check I108
HS,VS
HWRESET
Check
BACKLITE
Check
Keypad
Check I108
Check
I/O cable
Check
C159,C160
Check
SCL,SDA
Check
Q102
Check
5V MCU
Check
P102
Check
I101
Check
I101,I102,I105
Check
SCL,SDA
I106
Check
P105 WIRE
Check
I106
Check
I/O cable
Check
P102
Check
VCC2.5V,
3.3V,1.8V
Check
I103
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 I108
Pin
I103 poor
soldering
P105 poor
soldering
I108 or
R-pack
soldering
I106 poor
soldering
Lose color
R or G or B
Check P102
Pin 8,10,12
Check
L108,109,110
R106,107,108
I108
fail or poor
soldering
Check
Sign Cable
Check
C104,105,107
C108,109,110
Y
N
N
N
N
Y
Y
Y
ViewSonic Corporation Confidential – Do Not Copy VP720-1_VP720b-1
45
Содержание VP720-1
Страница 74: ...8 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 71 ...
Страница 75: ...ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 72 ...
Страница 88: ...11 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 85 ...
Страница 90: ...11 5 POWER PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 87 ...
Страница 91: ...11 6 POWER PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 88 ...