[TechAssist] Re: VCR compatability question
- From: "D PANDAY" <dpanday@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 07 May 2002 11:55:31 -0400
Also, You have to do x-value adjustment and make
sure the Tracking of the unit is in its' centre
position.Rule of thumb,when doing any tape path alignments.
Get a tape that is recorded on another that you know that is
almost prefect to do your pre-test after you complete your tape
path alignments.
Hope it helps.
Panday
>From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: VCR compatability question
>Date: Tue, 7 May 2002 10:41:24 -0400
>
>
>Yes and you need to trigger on the switch pulse (30HZ) on Channel one of
>scope and channel2 on playback FM adjust tape guide rollers for a flat
>response on both heads. I would adjust head switching first.
>Phillip R Hull
>phil245@xxxxxxxxxxxxx
>----- Original Message -----
>From: "goodrich" <goodrich@xxxxxxxxxxxxxx>
>To: "TECHASSIST" <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, May 07, 2002 10:01 AM
>Subject: [TechAssist] VCR compatability question
>
>
> > When you have a VCR with a tracking problem and after
> > you adjust the video tapepath guide post ,using a commercially recorded
>tape, and have centered the tracking
> > front panel control, you wind up with a VCR that is not
> > record compatible with other VCR's. Do I put my
> > oscilloscope probe on the output of video head preamp?
> > I think the waveform needs to be flat along the top
> > of the video head signal.More times than not I
> > never have a schematic.
> > I apologies if this is a elementary question, but this
> > is why I join this group, to learn from the more experience
> > Tech's.
> >
> > Darrell Goodrich/
> > Goodrich Electronics
> > Lubbock,Texas
> > goodrich@xxxxxxxxxxxxxx
> >
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