[TechAssist] Re: Panasonic 20" TVCR PV-M2046 dead,now VCR shuts down]
- From: Phil Bader <philbad@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 26 Sep 2002 12:14:13 -0400
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
> > > >
> > > > ------------------------------------------
> > > > To REMOVE your email address, click here:
> > > > http://www.tech-assist.org/unsubb.html
> > > > To CHANGE your email address, click here:
> > > > http://www.techassist.net/forms/change.html
> > > > ------------------------------------------
> > > > ***NEW*** Tips Added Instantly!!!***
> > > > Submit Repair Tips here:
> > > > http://www.tech-assist.org/secure/tip/
> > > >
> > >
> > > ------------------------------------------
> > > To REMOVE your email address, click here:
> > > http://www.tech-assist.org/unsubb.html
> > > To CHANGE your email address, click here:
> > > http://www.techassist.net/forms/change.html
> > > ------------------------------------------
> > > ***NEW*** Tips Added Instantly!!!***
> > > Submit Repair Tips here:
> > > http://www.tech-assist.org/secure/tip/
> > >
> > >
> >
> > 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)
> >
> > ________________________________________________________________
> > GET INTERNET ACCESS FROM JUNO!
> > Juno offers FREE or PREMIUM Internet access for less!
> > Join Juno today! For your FREE software, visit:
> > http://dl.www.juno.com/get/web/.
> > ------------------------------------------
> > To REMOVE your email address, click here:
> > http://www.tech-assist.org/unsubb.html
> > To CHANGE your email address, click here:
> > http://www.techassist.net/forms/change.html
> > ------------------------------------------
> > ***NEW*** Tips Added Instantly!!!***
> > Submit Repair Tips here:
> > http://www.tech-assist.org/secure/tip/
>
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: philbad@xxxxxxxxxx
>
> ------------------------------------------
> To REMOVE your email address, click here:
> http://www.tech-assist.org/unsubb.html
> To CHANGE your email address, click here:
> http://www.techassist.net/forms/change.html
> ------------------------------------------
> ***NEW*** Tips Added Instantly!!!***
> Submit Repair Tips here:
> http://www.tech-assist.org/secure/tip/
--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: philbad@xxxxxxxxxx
------------------------------------------
To REMOVE your email address, click here:
http://www.tech-assist.org/unsubb.html
To CHANGE your email address, click here:
http://www.techassist.net/forms/change.html
------------------------------------------
***NEW*** Tips Added Instantly!!!***
Submit Repair Tips here:
http://www.tech-assist.org/secure/tip/
Other related posts:
