[TechAssist] Re: Zenith SG2779Y3 had intermit. vert defl cold. PartsID IC2100.
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 23 Aug 2003 11:28:48 -0400
I've been "scraping" along for years! nice to see a fellow scraper.
I also need the generac part for this vert IC #221-550-01. Usually an
LA78xx or some such.I don't trust it.
Thanks,
Phil Bader
al m wrote:
>
> Phil I found that you have to scrape the traces on the vertical IC sometimes
> you get a cracked pad. Since I started scraping no more callbacks.
> al marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, August 23, 2003 10:21 AM
> Subject: [TechAssist] Zenith SG2779Y3 had intermit. vert defl cold. Parts ID
> IC2100.
>
> > Strange situation.
> > First brought in for symptom of when turned on cold, just a line (no
> > vert) but may shut off also.Must "work with it" as this elder customer
> > said, until it "took" and was OK all day.
> > This set has the two modules, 9-1075 SMPS/ Defl, and 9-959 signal/main.
> > Of course, I changed lots of leaky electrolytics in the smps, and all
> > over.Resoldered vert. IC2100.
> > I thought the caps were the troubles.
> > Ran a week, same issue with the no vertical cold.
> > The vert output IC I will change: IC2100, #221-550-01,
> > but what is the "LAxxx" equiv. to this Zenith part number?
> > And any other issues known?
> > Thanks.
> > Phil Bader
> > --
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > Fax (863) 299-8821
> > email: tjanphyl@xxxxxxxxxxxxxxx
> > For Professional Technicians Only
> >
> >
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
For Professional Technicians Only
*****************************************************************************
Classifieds! Buy or Sell!
http://sell.tech-assist.org
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