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Re: Viewsonic n4060w power but no menu or source...
Hello, you will need to locate a service manual for it.
cd or downloaded it costs a few dollars but it is worth it.
if your going to open it might as well know what to check for.
you need it to service your set.
not processing signal, menu not displaying,
sound like internal board issues.
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Try resetting the TV to the default settings (Menu > Setup (Options) > Memory Recall (Restore Default), select Yes and then Enter. Exit the menu to save.) Then rescan all channels. The Setup or Options menu icon looks like a wrench and hammer forming an X.
My Viewsonic TV uses the commands in the parantheses but the current manual for the model gives new command names. The above commands worked to solve the problem for me. (In my case, one digital subchannel had video but no audio but the sister subchannel had audio but no video.)
Ur tv the LCD inverter board is dead.Replaced the LCD inverter board u will get ur picture back.Tries websites like Shopjimmy.com,Ebay.com to buy an refurbish LCD inverter board for the replacement.It a long board in shape.
I had the exact same problem with my set 6 months ago. Had the repairman look at it and it ended up being a faulty/weak power source. He told me that he could either work on the power source himself or just buy a new one. New ones are very expensive and hard to come by, but he was able to fix the existing one. Got the whole thing fixed for something around $350 to $400. Pretty steep and made me consider buying a new one, but I didn't. And now its on the blink again, so you might consider that.
Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. http://en.wikipedia.org/wiki/Capacitor_plague Please post back what you find. If the tech installed a used power supply, it may be bad also. 3 years are typical for capacitors to go bad.
While this isnt an exact fix at work, you will at least be able to view your tv. We have one at work that would do nothing when you hit the power on button, just the usual geen led flashing. We pulled the cover off and found the bulging caps, more than likely from brown outs. But we also found that none were holding a charge. So we held the power button on for at least five min, after the led would stay on for about 30 sec and then turn off. We kept hitting the power button and the screen would try to come on. It finally did. After it did come one we can power on and power off aslong as we dont turn it off for more than 10 min. After 10 min of it being off we have hold down power button again and start the whole process again. So the main problem i believe is the caps arent holding a charge, to be able to kick the high voltage circuit on. We did not replace any caps but if we do end up changing parts will post what was changed and cost. Hope this helps