Question about Televison & Video
Same RCA RLC1906 LCD T.V.
"Same problem"; working normal shutoff, and never came on again; just white screen.Took off back cover to inspect "CAPS"... all looks good.
To this point only thing that seems odd is resistance varies 50ohms between diods D5, D6, D7 on main power supply. On another note
our tv was supposedly a refurb yet considering that fact; I closely inspected all three circuit boards, and none show any signs of repair, meaning everything appears new, original. If the capacitors are blown it should be pretty obvious by swelling or leakage. I don't see any of those obvious signs of heat damage. Diode's don't appear shorted when reversing polarity but D6 specifcally tests just over 600 ohms, all others test just over 550 ohms though I believe they are all suppose to be identical value. Perhaps that helps but I am going to try replacing diodes first and retry as it does seems power supply is also connected to video input/output which I would think is inverter board!
Posted on Feb 04, 2013
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Posted on Jan 02, 2017
SOURCE: No Picture on Viewsonic TV
That is a coincidence. My tv went out the same night. But mine wont even turn on at all. So far I have had no luck finding anyone to repair it. Let me know if you figure something out and I will do the same.
Posted on Jan 16, 2008
IF the set is under warranty, you should return it.
Do this to see if your set is "sending" the image to the LCD panel.
1) What the set on take a bright flashlight and press it against the screen.
2) Look for the "image" moving around the edge of the flashlight.
3) If you see the "image" then the problem is in the inverter/CCLT or the power to it.
4) If you do not see the "image", you should look at the LCD controller(TCON) for the problem.
Posted on Feb 25, 2009
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