[TechAssist] PANASONIC TV CT-27SX12F Vertical problem?

  • From: "electronicrepair" <electronicrepair@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 19 Dec 2003 15:42:07 -0500

This TV came in with the vertical shrunk top and bottom to about 6" pix.
Also on the screen, on the top left it displays CHK in red and some numbers
next to that..
I assume this is in some sort of factory menu. This set came from another
shop because they
didn't have a clue what was happening, which now it makes two of us.
I checked the caps on the vertical section they all seem OK.
One time that I turned on the whole picture came on, but it was very jittery
and after about 5 minutes
it turned off and the only way to turn it back on was to unplug the set and
plug it back in then turn it on.
Can someone shed some light on this dilemma, I would appreciate it very
much.
Thank you, Mark
Electronic Repair Services
48 W. James St.
Lancaster, PA 17603

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