Question about Panasonic PT-56TW53 56" Rear Projection Television

3 Answers

Pt 56tw53 picture trouble

Television went off by itself. power but keeps flashing. i unplugged the set for about 1 hour. it turned on but the picture was very bright with washed out colors. there are severl swirly lines on the screen in red green and i belive blue. i unplugged the tv again for several hours and the same thing was found when i turned it back on. this time however, after being on for 1 hour it shut itself off and now the power button is blinking again. the set is 2 years and 6 months old. i live in the new orleans area. so if you know of anyone or if anyone know how i might be able to fix the problem..........i would greatly appreciate it. tv is out of warranty. thanks carolyn same problem

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Based upon your description, the problem area is the convergence circuit. These sets usually have a couple of large black ICs that control the convergence. These Ics either have bad connections on the pins or are failing. You can try resoldering the pins of these ICs if you can solder, or replace them. These ICs are usually marked STKxxx and are attached to a heatsink.
If you get this repaired, expect to pay about $30-$40 for each IC (there can be 2) along with the local labor rate for projection sets.
Dan

Posted on Mar 26, 2008

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Convergence problems...

Panasonic uses a hex numbering system, without the service manual it's almost impossible to adjust.

replace those 2 stkxxx and also check all the 2.2 ohm 1 watt.

R7048 ,49 , 50 ,53 ,56 ,59.

if the problem is still there. replace the whole convergence circuit board.

thanks for using fixya

Posted on Mar 26, 2008

  • earl norman llanera
    earl norman llanera Mar 26, 2008

    any service tv technician will do. just tell him about this that ive posted and hopefully he'll fix it.

  • earl norman llanera
    earl norman llanera Mar 26, 2008

    BTW, if you plan to DIY, be very careful ok!

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I would suggest to check the superpages/yellow pages book to find a service center around your area since this repair is not DIY.
Check this link to have an idea where the service centers are loacted.
Good Luck.

Posted on Mar 26, 2008

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