Can not power on monitor
Check adaptor
Check K/B
Check crystal X1 / X2?
OK
OK
OK
Check CN 6, R79
Change M/B
NO
NO
NO
NO
Change adaptor
Repair open / short
Change X1 / X2
Change fail
ed
part
NO
Fix power supply circuit
OK
OK
Open / short?
Pin 40 of U6
?
Check power supply
(12V, 5V, 2.5V & 3.3V)
2. Monitor cannot power on
79
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VX922-1
Summary of Contents for VX922-1
Page 57: ...Step 2 Press Write to IC icon 54 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 61: ...Please press 58 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 64: ...Write DDC to IC Step 1 Select 24C02 61 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 66: ...Step 2 Press Write to IC icon 63 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 83: ...3 Monitor white screen 80 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 84: ...4 Monitor black screen 81 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 92: ...9 Block Diagram 89 ViewSonic Corporation Confidential Do Not Copy VX922 1...
Page 93: ...90 ViewSonic Corporation Confidential Do Not Copy VX922 1...