Question about Toshiba 37LX96 37 in. LCD TV/DVD Combo
When I turn on the TV, I get audio and video for about 30 seconds (all stations) and then the screen goes blank - but the audio keeps going. If I turn it off, and on, the video comes back - but only for a few seconds.
I had this problem on my 42" Philips. Just got it yesterday and worked fine on the tv stand. As soon as I mounted the TV to the wall via wall mount system, I had the exact same issue you did. Figured it out today.
The wall mount was putting pressure against the center of the back of the tv (tv set had a slightly rounded back plate, and the mount was a flat plate). As soon as I put spacers (part of the wall mount hardware set) between the wall mount braket and the tv so there was no contact except at the mounting holes, the tv worked fine.
My theory is the pressure pushed the tv back plate against some board components which caused them to overheat (no air flow); or put pressure on internal connectors. I dont know.
Hope this helps, may not apply to your situation.
Posted on Sep 18, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Apr 05, 2017 | Panasonic Televison & Video
Jan 08, 2013 | Sony FD Trinitron WEGA KV-32FS120 32" TV
Five blinks - AKB
circuit (automatic kine bias), the timer/standby indicator blinks
for about 30 seconds then goes to the self-diagnosis function.
Something is wrong with the video. Check video out, Q705, 732, 761
and other components on the C board, also check Q218, 219, 220 on
the A board. In addition, unit could be in IK blanking, try turning
up screen slightly.
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