Question about ViewSonic VX924 19" LCD Monitor
I have a VX924 that would come on for about a second, then the screen would go blank. If I held a bright light to the screen, you could still make out the image oin the screen, so the backlights were turning off then shutting down.
I took it to my cousin who diagnosed that there were two Surface mount transistors (I believe transistors...hard to say without a schematic) that were shorting out. The are on the Invertor side of the PS for the lights, and are at position 'Q6' and 'Q7'.
Does anyone know what generic part numbers these transistors are? Anyone have a schematic?
Any help would be greatly appreciated!
Are they black with 3 SMD pads? They should have a tiny tiny number on the top corresponding to a SMD code that will tell you what they are (example: D9A means 5.5V zener diode).
You should be able to just get a new inverter or repurpose an inverter out of something else to get it working again. An inverter that powers any other CCFL bulb should work fine.
Posted on Mar 18, 2008
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Posted on Jan 02, 2017
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