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

  • From: Doug Keller <dek@xxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 16 Jul 2003 17:19:00 -0400

Some kind of closed captioning? Maybe try turning CC off.
Doug

Gary McCartney wrote:
> 
> 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
> 
> *****************************************************************************
> CHECK OUT THE NEW CHATROOM! Just login and click on chat!
> http://www.tech-assist.org/secure/tip/main.htm
> The Tech Address Book:
> http://www.tech-assist.org/secure/tip/contact.htm
> Add a Repair Tip Here, or Change/Remove your Email Address:
> http://www.tech-assist.org/secure/tip/main.htm
> Lost Password:
> http://www.tech-assist.org  and select "Lost your Login Info?".
> Email Archives:
> //www.freelists.org/archives/techassist/

-- 
Doug Keller          "Learn from the mistakes of others,
Wis-Kel Electronics   because you won't live long enough
101 Freeland Ave.     to make them all yourself"
Terra Alta, WV
USA        26764
dek@xxxxxxxxxx
http://www.tech-assist.org
*****************************************************************************
CHECK OUT THE NEW CHATROOM! Just login and click on chat!
http://www.tech-assist.org/secure/tip/main.htm
The Tech Address Book:
http://www.tech-assist.org/secure/tip/contact.htm
Add a Repair Tip Here, or Change/Remove your Email Address:
http://www.tech-assist.org/secure/tip/main.htm
Lost Password:
http://www.tech-assist.org  and select "Lost your Login Info?".
Email Archives:
//www.freelists.org/archives/techassist/

Other related posts:

  1. Home
  2. techassist
  3. Archive
  4. 07-2003