Question about Toshiba 50H82 50" Rear Projection Television
I have a Toshiba 50H82 and ran into the convergance issue. I replaced the convergance ICs with stk394-160 but did not change any resistors.
When I buttoned everything up and powered on I had the following issues.
1) Still poor picture (as expected)
2) No Sound
3) Only buttons on front panel that work are power, Touch Focus, TV/Video and channel up.
4) Remote does not work.
The Menu & volume button may work, but not sure because when using TV/Video the inputs will change but the typical GUI doesn't come up. So with no sound and no way to see what menu is doing they may actually be working ... it's just an issue with the GUI not coming up.
Touch focus completes operation without an error message, so I took that as a good sign. But I need to get into service mode, but can't do that without the remote.
I have checked fuses 850, 851, and 852. All good. The resistors under the ICs appear to be fine also.
Any suggestions on what to try next?
Try not to mix areas in the tv chasing several problems.
if the tv has not white noise the screens are without convergence. you are digging in a set with maybe 5 problems the three you told me plus the other posibilities im gessing and i hope you don't have. So slow down with the repair and try step by step. bye now.
Posted on Apr 17, 2009
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Posted on Jan 02, 2017
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