My 11 year old Panasonic CT-27G13 TV goes dark with only a thin horizontal band of light across the middle of the screen. The problem usually happens if the tv has been on for more than 1 hour. What can be the source of the deficiency?
SOURCE: Panasonic CT-32hX41 vertical picture problem (hourglass)
this product has a pincushion problem and requires servicing but unfortunatley it is what we call in the business NECO
SOURCE: Hi Expert,
This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical. Be sure to vote/rate me if this helped Thanks!
In this case the vetical o/p IC is LA7838 and the IC is located at the right front corner of the PCB (main)the 2 capacitors are- 100uf 35V and 220uf 25V.
SOURCE: Horizontal white lines across top of TV screen
Hi I had the same problem. Broken white lines across the top of the screen. This is called overscan. You need to go into the Setup menu, other settings. 16:9 overscan needs to be on. Hope this helps.It solved our problem.
SOURCE: Our tv, a Panasonic # CT-36D11E/CT-36D11 only
Resolder the vertical IC and replace those capacitors near and next to your vertical IC. If the horizontal line still appears, you may have to replace the IC. Thanks for asking and be caredful!
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