[TechAssist] Re: Panasonic TV/ VCR PV-M1358W-K Chassis KM-138, black box on screen

  • From: "peter kowalik" <pe.kow@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 16 Jul 2003 23:00:00 -0400

likely in CC mode also may have CC as default when volume muted-- option
available on some product....Peter Kowalik  pe.kow@xxxxxxxxxxxx  Kieth's
Stereo
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 16, 2003 5:15 PM
Subject: [TechAssist] Panasonic TV/ VCR PV-M1358W-K Chassis KM-138, black
box on screen


> Customer called me up and says that he was adjusting the clock in the
> menus and from then on he has a big black box on the screen (all except
> the outer edges of the screen which the picture shows through).
> Sometimes the letters [ffff] in white lettering show up in the top left
> corner of this black box. When he changes channels, the picture is ok
> for about 5 seconds then the black box returns. Problem occurs during
> VCR playback also. The regular green colored on-screen graphics are
> functioning normally.
>
> Does anyone know if this is just some kind of microprocessor glitch that
> can be reset somehow, or a menu option to escape this, or is there a
> defect in the circuitry? I told him to leave the set unplugged for a few
> hours but warned him that it probably wouldn't solve it. If it is the
> circuit, I won't be able to work on it for a week.
>
> Thanks for any help.
> --
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: gary (at) number63.ca
>
>
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