[TechAssist] Re: Samsung Multistandard VCR, model# SV5000W (tuner/RF problem after "sparking")
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Wed, 18 Feb 2004 12:50:36 -0800
Winstips has 2 tips for the SV5000(different symptoms) that both
point to C34 in the PS.
Another tip(no video, Tuner or playback) says R1p129(150 ohm) in 12v
Regulator Circuit
Peggs
At 10:15 AM 2/18/04, Gemini Computer & TV wrote:
>Yes. It is the new one and it is integrated. There is no 12 volt supply for
>this tuner.
>
>Bob Waterman, CET=AE #RI-28
>Master Technician License #9109
>Service Manager / Parts Manager
>Gemini Computer, TV, & Security Alarms
>(508)695-7302
>(508)695-7769 FAX
>geminitv@xxxxxxxxxxxxxxxx
>geminitv@xxxxxxx
>www.geminicomputertvsecurityalarms.com
>
>
>----- Original Message -----
>From: "peggs" <peggs@xxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>; "Techassist" <techassist@xxxxxxxxxxxxx>
>Sent: Wednesday, February 18, 2004 3:15 PM
>Subject: [TechAssist] Re: Samsung Multistandard VCR, model# SV5000W
>(tuner/RF problem after "sparking")
>
>
> > are you sure you put in the 'new' tuner/rf modulator,and
> > didn't re-install the 'old' one.......... :-)))
> > Sorry,I couldn't resist after some of the discussions lately.
> >
> > I assume this Tuner/RF modulator is integrated ???
> > Should there be a 12v supply to it ???
> >
> > Peggs
> >
> > At 09:16 AM 2/18/04, Gemini Computer & TV wrote:
> > >I have a customer who brought in this Samsung multistandard VCR, model#
> > >SV5000W, after moving here from England, that she claims was working=
okay
> > >until one day she connected a camcorder to it and there was some type=
of
> > >spark. Her complaint when she brought it in to me was that it plays=
back
> > >okay but would not record. That is not entirely accurate, in fact it
>plays
> > >and records normally using external video/audio inputs/outputs but does
>not
> > >output anything from the tuner/RF modulator unit. If I try tune in from
>the
> > >tuner but view it on my monitor in A/V out mode (since I have no RF=3D
> > output),
> > >I have very distorted noisy video with no color or audio. There are=
also
> > >these "interference lines" in the picture that modulate with what would
>be
> > >the respective accompanying audio. I thought this would be an easy one
> > >figuring I had a bad tuner/RF modulator given the symptoms and customer
> > >description of what happened but I just installed a new tuner with the
>same
> > >results. I do have the AL 33 volts, AL 5 volts, PC 5 volts to the=
tuner
>as
> > >well as clock and data line activity that looks "normal" and
>unremarkable.
> > >All measureable power supplies are on the money and clean. I do have=
good
> > >video out of the tuner back to the syscon/servo section (the audio out
>from
> > >the tuner is SIF). I am hoping one of you may be my saviour on this=
one!
> > >
> > >Bob Waterman, CET=3DAE #RI-28
> > >Master Technician License #9109
> > >Service Manager / Parts Manager
> > >Gemini Computer, TV, & Security Alarms
> > >(508)695-7302
> > >(508)695-7769 FAX
> > >geminitv@xxxxxxxxxxxxxxxx
> > >geminitv@xxxxxxx
> > >www.geminicomputertvsecurityalarms.com
> > >
> > >
> >
>=
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