Re: Panasonic NV-F65 thinks it has a tape inserted

From: eddumweer (eddumnogsteeds_at_hotmail.com)
Date: 10/17/04 

Date: Sun, 17 Oct 2004 20:21:44 +0200

Looks like a timingproblem, for the manual see
http://www.eserviceinfo.com/downloadsm/6054/Panasonic_NV-F65.html

Hope you can do anything with it.

Greetings Peter

"Mike Wilson" <mikewse@hRoEtMmOaViEl.com> schreef in bericht
news:cku538$bvn$1@domitilla.aioe.org...
> Thanks! I've located the mode switch and done some more tests (not
> disassembling anything yet):
>
> I can see the mode switch wheel is standing still when I am just
> powering on the unit. Other wheels on the right hand side "below
> the floor" move a little and then stop - the faint sound gives me
> a feeling that something is stopping them from moving more.
>
> When inserting a tape I can see that the mode switch wheel is
> rotating.
> A few times when inserting the tape the unit seems to do a more
> complete initialization and the video head arms are moving, but
> then I hear loud clicking noises as from two wheels sliding on
> each other. I can see the mode wheel standing still but vibrating
> in sync with the clicks, as if something that wants to move is
> stuck. Do you have any idea why this happens, doesn't seem
> directly related to the mode switch...?
>
> I shot a video of this behaviour showing first the "direct eject"
> case and followed by the "full init" case. Would you please have a
> look at it?
> http://194.236.117.66/nvf65_hi.wmv (12MB)
> http://194.236.117.66/nvf65_lo.wmv (2.5MB)
>
> Cheers
> Mike
>
>
> "eddumweer" <eddumnogsteeds@hotmail.com> wrote in message
> news:cktetm$aoi$1@news4.zwoll1.ov.home.nl...
>> The modeselect switch is located on the deck-top on the right back site
>> viewing from the front.
>>
>> Here you find a picture of it http://www.donberg.ie/descript/2/20204.htm
>>
>> The mode select swtich reads out the position of the deck, example play,
>> rewind, fast rewind and so on.
>> Take care of the timing of the machine. There are marks on several wheels
>> and also the cassettecomparment is timed to the g-deck.
>>
>> If a switch is not available at once, try some not to aggressive
>> electracleaner in the switch for checking if it works.
>>
>> Als check the pcb where the switch is mounted on for open circuit towards
>> the cable connector.
>>
>> Greetings Peter
>>
>> "Mike Wilson" <mikewse@hRoEtMmOaViEl.com> schreef in bericht
>> news:cktavk$2ru$1@domitilla.aioe.org...
>>> Hi, and thanks for your replies. So you're saying that it isn't just a
>>> simple
>>> "stuck sensor" problem, and need lengthy repairs?
>>> Where do I find the mode select switch? (sorry, I don't have any
>>> schematics for the unit)
>>> Cheers / Mike
>>>
>>> "eddumweer" <eddumnogsteeds@hotmail.com> wrote in message
>>> news:ckt85o$3ea$1@news4.zwoll1.ov.home.nl...
>>>> On g-deck check the mode select switch and timing of the mechanism
>>>>
>>>> Greetings PP
>>>>
>>>> "mo" <moeee@telpacific.com.au> schreef in bericht
>>>> news:c1476f84.0410162341.1e63ac87@posting.google.com...
>>>>> Never really popular with technicians the old G-Mechanism.
>>>>> Enjoy the frustrations of repairing or spend under $200 AUS to replace
>>>>> with a new unit with more features.
>>>>
>>>>> "Mike Wilson" <mikewse@hRoEtMmOaViEl.com> wrote in message
>>>>> news:<ckrj9r$ql5$1@domitilla.aioe.org>...
>>>>>> My NV-F65 VCR has come into a state where it thinks there is a tape
>>>>>> cassette loaded even though there isn't. It also powers down a few
>>>>>> seconds after turning it on.
>>>
>>>
>>
>>
>
>
>