[TechAssist] Re: Schematic for Panasonic AG-1960 SVHS vcr
- From: kevinstv <kevinstv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 30 Sep 2002 16:19:13 -0700
I'm guessing that SMEC stands for surface mount electrolytic caps.
I've changed all the surface mount caps on the hybrid board which repaired a
no video problem when playing an SVHS tape. I would like to fix this VCR as
it is a high quality one! Oh well. By the way the wiggly lines show up
only on cable or satellite input with printing. Does make picture 'busier'
with movement. Thanks.
Kevin Wilks
Kevin's TV and Video Repair
Penticton BC Canada
kevinstv@xxxxxxx
----- Original Message -----
From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, September 30, 2002 3:05 PM
Subject: [TechAssist] Re: Schematic for Panasonic AG-1960 SVHS vcr
>
> Dont want to mislead, because I have not had that problem on that model,
but
> on other older Panasonic SVHS models the SMECs on the hybrid filter and
> video process hybrid ICs have reached the end of their life, causing
various
> video problems.
> Jerry Silverman
> Greentron Inc
> 4 Newland Ave
> Greenville SC 29609
> 864 232 3889
> Fax 271 2080
> mailto:greentron@xxxxxxx
> ----- Original Message -----
> From: "kevinstv" <kevinstv@xxxxxxx>
> To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
> Sent: Monday, September 30, 2002 5:25 PM
> Subject: [TechAssist] Schematic for Panasonic AG-1960 SVHS vcr
>
>
> > Panasonic AG-1960 SVHS vcr:
> >
> > I'm back trying to repair this video fault--any printing on screen has
> lines that wiggle and tear. I am now suspicious of the comb filter, and
> need the schematic to find such. I'm thinking that it could be the comb
> filter because the way the comb filter separates the colors by putting
> "triangles" on the borders of one color to the next (most noticeable on
> local cable channels with computer driven graphics).
> >
> > This triangle effect occurs with cable and composite inputs to TV, and
not
> with S-Video input, which separates the color from the black and white
> (which I believe the comb filter tries to do as well).
> >
> > Kevin Wilks
> > Kevin's TV and Video Repair
> > Penticton BC Canada
> > kevinstv@xxxxxxx
> >
> >
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