Question about Toshiba 55H70 55" Rear Projection Television
Whenever you walk close to the tv it goes out of convergence. I can adjust the tv but mother in law is 300 lbs and frequently moves around room as so tv mess up picture.
Solder connections to the convergence stk ic chips have developed ring cracks most likely. The chips will fail if not resoldered. The chips will be mounted to large heat sinks and have stk392-110 or similar marked on them. You will need good soldering skills or professional help is in order. The chips are prone to failure for this reason. Unplug the AC cord before attemping to open the TV . You will need to gain access to the bottom of the circuit board the chips are mount to. Unplug the electricity...did I mention to unplug the AC three times??? Yes ;)
Posted on Jan 14, 2008
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