[TechAssist] Re: Panasonic 20" TVCR PV-M2046 dead,now VCR shuts down]
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 26 Sep 2002 14:01:27 -0700
Did you check with Andrews Electronics at 1-800-289-0300? I bet you are going
to have some fun disoldering this babe not to mention soldering it in place.
Mando
Birdie's TV & Electronics
Casa Grande, AZ
Phil Bader wrote:
> I found a flat pack IC on bottom location IC1 marked MN6750647A3E. A
> similar chassis schemo (Quasar VV series) shows an almost identical
> number amd it is a "syscon/servo/timer/micro. A 100 pin SMD IC. Whew.
> ($27.79, no stock@ Herman).
> Probably this IC is what I want.
> Phil Bader
>
> Phil Bader wrote:
> >
> > I would appreciate this "servo IC" location and/or number. I tried
> > researching,but all parts lists on this model have been incomplete.
> > Thanks,
> > Phil Bader
> >
> > rogerfixit@xxxxxxxx wrote:
> > >
> > > Had a 2048 that took both the Audio micro and servo micro so I ditto
> > > Jerry's response.
> > >
> > > Roger G.
> > >
> > > Mr. Fix-It Harrisburg, PA WebSite-
> > > http://mrfixit.netfirms.com
> > > rogerfixit@xxxxxxxx (alternate - rogerfixit@xxxxxxxxxxxxx )
> > > FAX 801-705-3748 ; Tel: 717-763-7098 (shop) 717-652-1703(home)
> > >
> > > On Tue, 24 Sep 2002 17:43:12 -0400 "J Silverman"
> > > <greentron@xxxxxxxxxxxxxxxx> writes:
> > > >
> > > > Dont see that specific manual, but I recall with that symptom on the
> > > > units
> > > > made in the mid 1990s, checking the PG/FG output pin on the cylinder
> > > > driver
> > > > IC would show very low DC voltage with no signal and measure low
> > > > ohms to
> > > > ground. always turned out to be the Syscon/servo IC.
> > > > Jerry Silverman
> > > > Greentron Inc
> > > > 4 Newland Ave
> > > > Greenville SC 29609
> > > > 864 232 3889
> > > > Fax 271 2080
> > > > mailto:greentron@xxxxxxx
> > > > ----- Original Message -----
> > > > From: "Phil Bader" <philbad@xxxxxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Tuesday, September 24, 2002 12:40 PM
> > > > Subject: [TechAssist] Panasonic 20" TVCR PV-M2046 dead,now VCR shuts
> > > > down]
> > > >
> > > >
> > > > >
> > > > >
> > > > >
> > > > > Storm. Dead. Found the usual two transistors shorted: Q801 relay
> > > > driver
> > > > > (2SC945) and the "excess current protector" Q523 (2SA564A).
> > > > Replaced
> > > > > both,now powers on,channels tune,TV section seems fixed. Insert a
> > > > tape
> > > > > and immediately hear a fast whirring sound increasing in
> > > > speed,then a
> > > > > flash of snow,and VCR shuts down. Push any VCR related button and
> > > > > ignores it. No eject. Turn power off then on and push eject at
> > > > once,
> > > > > will eject tape. I think it sounds like the drum is run-away speed
> > > > > spinning.
> > > > > Phil Bader
> > > > > --
> > > > > Philip Bader
> > > > > Jan Phyl TV Inc. (estab. 1976)
> > > > > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > > > > Fax (863) 299-8821
> > > > > email: philbad@xxxxxxxxxx
> > > > >
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> > >
> > > Roger G.
> > >
> > > Mr. Fix-It Harrisburg, PA WebSite-
> > > http://mrfixit.netfirms.com
> > > rogerfixit@xxxxxxxx (alternate - rogerfixit@xxxxxxxxxxxxx )
> > > FAX 801-705-3748 ; Tel: 717-763-7098 (shop) 717-652-1703(home)
> > >
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> > --
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > Fax (863) 299-8821
> > email: philbad@xxxxxxxxxx
> >
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> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: philbad@xxxxxxxxxx
>
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