Question about JVC AV-48WP30 48" Rear Projection Television
I have a jvc av 48wp30 rear projection screen television.
About 5 months ago the convergence went out so I had a tech come out and replace the convergence IC's, he used two stk 392 110's.
A week ago ago the screen got an hourglass shape with the top and bottom screen bowing badly coupled with double vision look on screen.
I used the remote to attempt to adjust the convergence but although I could ge the arrows to move, i was unable to get the arrows to move far enough to get them lined up properly. Then just a few days ago after the set had been on for about 10 minutes it made a popping sound and the screen went dark. The blue power light continued flashing so i unplugged the set.
I ordered two more of the stk 392 110 convegence ic's online and received today. I carefully removed the old IC's and very meticulously reinstalled the new IC's. I even used a magnifying glass to make sure all new solders were secure.
The screen now lights up but i still have the convergence problem and when i attempt the use the remote to adjust the convergence the arrows won't move at all.
I have looked online to try to remedy the situation but have not found anyone with these exact circumstances. I am not a techie by any stretch of the imagination so in laymans terms can someone advise me on what they think the problem may be?
Any help would be greatly appreciated.
Bad chips...There are a ton of cheap fakes out there....Or bad resistor...
Projection TV sets have several common problems listed below.
Problem #1) Convergence
Problem #2 CRT Fluid has clouded over.
You can see more examples and find a fixConvergence problem wiht jvc av 48wp30 - bb0cf99.png />
Posted on Mar 25, 2010
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Posted on Jan 02, 2017
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