[TechAssist] Re: Toshiba M-671C interference lines in picture.

  • From: "C&W Electronics" <c_w_electronics@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 11 Nov 2002 17:46:28 -0600

Kevin,
Makes perfect sense. This indicates that you have a resistance in the
ground. Look at the bottom of the set. I think that this is the model that
has several screws on the bottom, which complete the ground. Loosen them,
then tighten.

Paul W
C&W Electronics
Azle Tx


----- Original Message -----
From: "Kevin" <kevinstv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 11, 2002 5:39 PM
Subject: [TechAssist] Toshiba M-671C interference lines in picture.


> Toshiba M-671C interference lines in picture.
>
> Hi fellow techs,
>
> I have a real weird one here!  With the cover off, there are slight ziz
> zag lines of interference when playing a tape.  With the cover on the
> lines become much more pronounced and they are now rainbow colored.
> I've checked all grounds.  For awhile I thought I had it fixed by
> lifting one side of the cover up 1 half inch which disconnected the top
> cover from the bottom metal cover.
>
> I repaired the P/S before and realized that the top metal cover was
> missing (got the vcr given to me from another tech who had lsot the
> cover).  I covered the P/S with a piece of metal but that didn't correct
> my problem.  I did notice that from the ground of the P/S to ground was
> zero ohms with the VCR unplugged from AC, and 51 ohms with the VCR on.
> That doesn't make sense!  HELP!
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevinstv@xxxxxxx
>
>
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