Having problems with your ViewSonic VA712 17" LCD Monitor ?

The monitor led is green but it gives white flash and still blank


Answers :

Check the volatage regulator in the mainboard resolder all you found dried unsolder parts inside mainboard. Voltage test the regulator IC if have a voltage flow 2.5 to 5v DC. check ribbon cable connector from mainboard to controller board if properly connected. In the controller board find the small fuse test it for open.
\015\012 Reminder:
\015\012 When you voltage test in the power board
\015\012 in the primary section of power supply
\015\012 use hot ground. Do not use the hot ground
\015\012 when you voltage testing the secondary
\015\012 power supply, mainboard and controller
\015\012 because it will cause of damage
\015\012 semiconductor. For safety use cold ground
\015\012 for secondary, mainboard and controller
\015\012 board.
Repair Help & Product Troubleshooting for ViewSonic VA712 17" LCD Monitor

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