[TechAssist] Re: panasonic vcr pv-4451
- From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 May 2002 16:09:11 -0400
Sounds like worn or dirty heads. Thats a 4 head machine so you are probably
doing the recording on the EP heads, but comparing the result with tapes
playing on the SP heads. You need a pre-recorded EP speed tape for a better
comparison. If it plays with black streaks emenating from outlines, the head
is worn. It will be worse on its own recordings.
If you replace the head and the prerecorded tapes have no color, remount the
head 180 degrees shifted. You will have to adjust the headswitching to spec.
and the guideposts for a flat RF envelope. If the autotracking takes a long
time to settle, you will have to adjust the A/C head x-position.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "tomlee" <t8872695@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 21, 2002 12:23 PM
Subject: [TechAssist] Re: panasonic vcr pv-4451
>
> Hello ED.
> Yes the vcr goes to record mode. the only thing is it just playback
recorded
> material with very poor picture. With good video tape from renting it
plays
> with good picture.
> My question is If I change the head will fix problem?
> Thank you for your input.
> Dang
> >> TD electronics
> >> 18546 sherman way
> >> reseda , ca 91335
>
>
> -----Original Message-----
> From: Ed Gaidies <teltek2@xxxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Tuesday, May 21, 2002 5:00 AM
> Subject: [TechAssist] Re: panasonic vcr pv-4451
>
>
> >
> >Dang;
> >Can not record????
> >Does this mean will not record, or can not record.
> >Does the VCR go into the record mode, or does it just not playback your
> >recorded material.
> >Give us a little more info to work with, instead of us asking, give us
the
> >minimum...at least.
> >Could be record protect switch (VCR), could be bad head.
> >
> >-Ed-
> >
> >> From: "tomlee" <t8872695@xxxxxxxxxxxxx>
> >> Reply-To: techassist@xxxxxxxxxxxxx
> >> Date: Mon, 20 May 2002 21:44:49 -0700
> >> To: <techassist@xxxxxxxxxxxxx>
> >> Subject: [TechAssist] panasonic vcr pv-4451
> >>
> >> Hello group.
> >> I am working with vcr pv-4451 .It plays good but can not record. My
> question
> >> is what components need to be checked. Can the video head be problem ?
It
> >> plays good picture.
> >> Dang
> >> TD electronics
> >> 18546 sherman way
> >> reseda , ca 91335
> >>
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