Question about LG RU-52SZ30 52" Rear Projection Television
Hi, I used to work in Best Buy and one of the key things about rear projection TVs and the reason they push those service plans on you is that the tubes/colors need to be calibrated each year. You can do this yourself by checking out the following website:
If you are not able to adjust the convergence using the remote you will need to replace the convergence chips.
1) Convergence menu does not work for one or more colors.
Such as: Red moves up,down, but left or right fails.
2) Screen is bowed looking.
If you have one or more of the problems above you need to replace the convergence chips. You can get a kit and instructions from www.TvRepairKits.com
Hope this helps :)
Posted on Sep 17, 2009
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Posted on Jan 02, 2017
The adjustments that your are trying to make, I do from standard menu. I did not have to enter service mode with mute 1-8-2 to make them. I have same model PCN5425R
Posted on Jan 31, 2008
When the convergence amplifier ICs go bad (STK392-xxx), they RARELY cause more than one color to go out. The fact that the top and bottom of the picture are effected indicates the vertical convergence IC. Replace both, and while you're in there check the bias resistors... it is likely one of these is open. Once the ICs have been replaced (as well as any open resistors), customer convergence followed up with the auto convergence should do the trick.
Posted on Mar 10, 2009
color convergence is acting up on your sony, usually the convergence power ic's are to blame. replacing both is recommended(mounted on heavy looking metal dissipators)
Posted on Jul 31, 2009
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