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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
58
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VX724-1
Содержание VX724-1 VS10049
Страница 47: ...Pattern 5 Pattern6 Pattern 7 Pattern 8 Pattern 9 44 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 60: ...1 Display color abnormal 6 Troubleshooting Flow Chart 57 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 62: ...3 Monitor white screen 59 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 63: ...4 Monitor black screen 60 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 64: ...5 Analog input always shows NO SIGNAL 61 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 65: ...6 Digital input always shows NO SIGNAL 62 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 71: ...8 Exploded Diagram and Spare Parts List 68 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 83: ...80 ViewSonic Corporation Confidential Do Not Copy VX724 1...
Страница 92: ...11 PCB Layout Diagrams Main Board Control Board 89 ViewSonic Corporation Confidential Do Not Copy VX724 1...