Re: Panasonic NV-F65 thinks it has a tape inserted
From: Mike Wilson (mikewse_at_h_o_t_m_a_i_l.com)
Date: 10/26/04
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Date: Tue, 26 Oct 2004 23:37:46 +0200
[Sory for not replying until now; for some reason your last
message never appeared on my Usenet server]
I downloaded the manual and I mainly found schematics for
the electronic circuits. Do you know if there is a manual
to be found for the mechanics? (So I can get a hint of
what wheels should be aligned in what way, and so on...)
Anyway, from the current manual I will be able to check if
the mode switch is connecting the right pins for its current
state, I'll check that this weekend!
Thanks for your help
Mike
"eddumweer" <eddumnogsteeds@hotmail.com> wrote in message
news:ckud7p$87d$1@news4.zwoll1.ov.home.nl...
> Looks like a timingproblem, for the manual see
> http://www.eserviceinfo.com/downloadsm/6054/Panasonic_NV-F65.html
>
> Hope you can do anything with it.
>
> Greetings Peter
>
> "Mike Wilson" <mikewse@hRoEtMmOaViEl.com> schreef in bericht
> news:cku538$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.
>>>>
>>>>
>>>
>>>
>>
>>
>>
>
>
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