Re: Sony VCR repair in Atlanta -- seeking good tech

From: worldcitizen (duncan_at_koyote.com)
Date: 02/08/05 

Date: 8 Feb 2005 07:56:01 -0800

chris-google@pobox.com wrote:
> I have a Sony SLV-696HF VCR that won't playback or record. I can
take
> any tape (recorded by others, commercially recorded, anything) and it
> plays back only garbage video (looks like blank tape to me) but
perfect
> audio. If I record on a tape in that deck and then playback on
another
> good deck, the tape shows nothing (don't know about audio). I
already
> tried a head cleaner :)
>
> Some scouring on the net resulted in finding the following on
> http://www.anatekcorp.com/faq/archvcr.htm :
>
> > Question:
> > Sony VCR #SLV-700HF no playback. Video unit will record fine
> > (played back on another vcr). Jail bar picture. No signal output
> > on IC801 on RP-149 pcb pin #20 + voltage does not vary from record
> > to playback as it should. Sound is perfect. Does this chip go bad
> > or am I overlooking another circuit? Logic voltages are ok.
> > Answer:
> > I found IC801, part#8-759-046-75 to be causing the jailbar
> > playback. After replacing the IC on the head preamp voltage on

Have you inspected the video heads yet?
> > pin #23 varied from record/playback as it should. Make sure you
> > replace the ground shields around the pcb!!!! If you don't it
> > still looks like you have a problem (noisy picture,no color,looks
> > like tracking off or dirty heads!)
>
> This is the closest thing I found to my problem, although I can't
even
> record so it's not the same. Further, my model is a 696 not a 700,
but
> that's real close :)
>
> If anyone has any specific tips, or knows that the above path applies
> to my model, I'd love to hear it. I'm a electrical engineer so I
just
> need to be pointed in the right direction with a few troubleshooting
> steps. It's otherwise a great VCR so I'd like to salvage it if
> possible rather than just buy a crappy new one that'll eat tapes in
18
> months.
>
> Barring tech tips, can anyone recommend a good VCR repair shop in the
> Atlanta area? Sony doesn't list any authorized repair shops, just
says
> they'll exchange it from their factory "with a comparable model".
I'd
> rather find a good local guy and give him my money to do a likely
easy
> fix on an otherwise solid machine.

Relevant Pages

  • Sony VCR repair in Atlanta -- seeking good tech
    ... I have a Sony SLV-696HF VCR that won't playback or record. ... plays back only garbage video (looks like blank tape to me) but perfect ...
    (sci.electronics.repair)
  • Re: video tape recorded in LP mode
    ... tape in LP mode and try to playback it on the very same VCR, ... This VCR does auto tracking, it is possible to fine tune ... improve the picture at all. ...
    (rec.video)
  • Re: VCR picture clear & then noisy every 5 seconds
    ... clean the VCR heads and tape path including guides and rollers ... with special attention paid to the AC head, ... would cause problems for the VCR reading the control track signal. ... If this happens with ALL tapes, then look for a worn pinch roller. ...
    (sci.electronics.repair)
  • Re: Ted Spencers studio website is up!
    ... <<A more likely problem would be on playback... ... leave the head gate on the ATR-100 open, I can hear noise from the ... but it's louder than the tape hiss by quite a bit. ... Closed head gates have been the rule in my experience from way ...
    (rec.audio.pro)
  • Re: video tape recorded in LP mode
    ... tape in LP mode and try to playback it on the very same VCR, ... This VCR does auto tracking, it is possible to fine tune ... improve the picture at all. ...
    (rec.video)