Question about Toshiba 50H13 50" Rear Projection Television
My the red on my TV just went out of alignment. the problem seems to be that the red signal is raised somewhat in the bottom-left of the screen. I tried the Touch Focus and it completes with an error. Same over and over again. I've read several article about adjusting the convergence using the service codes but don't feel completely comfortable with that. Is this just an alignment issue or something larger like a board replacement? I've had this TV for about 6 years. Bought new. Is it worth the service call and repair? Any idea what something like that would cost? TIA.
I do wish people like troylove11 would stop giving advice on things they obviously know very little about. The Toshiba projection sets never have loose connections on the convergence IC's, and there are never bad resistors in those sets. There is no separate convergence board and there are no adjustments on any boards. The convergence adjustments are done electronically, through the remote in the service mode. Also, moving or bumping a projection set cannot cause a solder joint to crack loose. Your set has 2 large convergence IC's and one of them has burned out. This is very common in projection sets. Do not attempt to enter the service mode to make adjustments, because you will only be messing up the correct settings and when the new IC is installed, the colors will still be way out of alignment. Replacing a convergence IC is a very simple thing for an experienced tech, and it is well worth getting the set fixed. If your set uses the STK392-010 IC's, it is probably a good idea to go ahead and replace both IC's with the newer, upgraded STK392-150 IC's. If you have not changed the convergence settings, the picture will return to normal once the IC is replaced and very little realignment will be necessary. When I do a housecall for a set like that it takes about an hour and a half and I charge $150, but shops in your area will vary so ask around.
Posted on Sep 08, 2007
Yes, it could be from the convergence amp having a loose connection. Big Screen tv's have problems with loose connection especially when moved or bumped. If you can take back off and find convergence amps then safely tap on ic's and see if it changes picture then it's maybe just aloose conn. If no change then you need to check resistors inline to red. At the most replace IC's these are the large STK's by a heatsink. Hope this helps!
Posted on Sep 07, 2007
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Posted on Jan 02, 2017
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