[TechAssist] Re: Need refresher on RCA EEPROM replacing...]
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Jan 2003 15:58:14 -0500
Actually, they are "pre-programmed" with average values. The other
option is to purchase a "blank" eeprom (not programmed at all) if you
have your own eeprom programmer and program yourself.
Gary McCartney
McCartney Electronics
7134 Fife Rd, RR 7
Guelph Ontario Canada N1H 6J4
Fax: (519)821-1530
email: gary (at) number63.ca
"Phillip R. Hull" wrote:
>
> Once and for all( I hope), these IC's are not preprogramed, they are set
> with average values, also the tuner will have to be realigned with Chipper
> Check, unless you can write down all the tuner parameters before replacing.
> Phillip R Hull STET
> phil245@xxxxxxxxxxxxx
> ----- Original Message -----
> From: "Kevin" <kevintv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, January 22, 2003 3:31 PM
> Subject: [TechAssist] Re: Need refresher on RCA EEPROM replacing...]
>
> >
> > Sometimes the data is corrupted. Then your only option is to get a
> > preprogrammed eeprom. They are available form Main Electronics in
> > Vancouver BC Canada. 250-872-0267 Ask for Mike or Daniel. You may
> > still have to adjust the tuner parameters to get a good picture on all
> > channels.
> >
> > Kevin Wilks
> > Kevin's TV & Video Repair
> > Penticton BC Canada
> > kevintv@xxxxxxx
> >
> >
> > -----Original Message-----
> > From: techassist-bounce@xxxxxxxxxxxxx
> > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Philip Bader
> > Sent: Wednesday, January 22, 2003 6:04 AM
> > To: techassist@xxxxxxxxxxxxx
> > Subject: [TechAssist] Re: Need refresher on RCA EEPROM replacing...]
> >
> >
> > Not to drag this on,but I remember trying this.Probably didn't do the
> > right sequence,but all I managed to do was transfer the old corrupt
> > parameters to the new "blank" chip,so now I have two exact chips with
> > corrupt data.
> > How does it transfer the "good" data without also the bad?
> > Phil Bader
> >
> > Jeff Dougherty wrote:
> > >
> > > Harlan,
> > > Place old EEPROM in socket, turn set on, replace old EEPROM with new
> > one.
> > > I have had luck with ordering the correct EEPROM for the specific
> > chassis and all
> > > I have to adjust, if anything, is the horizontal freq.
> > > support@xxxxxxxxxxxxxxxxxx
> > > FAX 717-564-4952
> > > Jeff Dougherty
> > > Intrepid Video & Electronics Be careful of your thoughts.
> > > 501 Luther Rd They may become your words
> > > Harrisburg, PA 17111 any moment.
> > > 717-909-8844
> > > VCR tips, electronics info & general interest.
> > > www.intrepid-video.com www.tech-repair.net
> > > www.thetoolcaddy.com www.9-11-2001tragedy.com
> > >
> > ***********************************************************************
> > >
> > > ----- Original Message -----
> > > From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Tuesday, January 21, 2003 10:57 AM
> > > Subject: [TechAssist] Need refresher on RCA EEPROM replacing...]
> > >
> > > I forwarded this to the group for a tech. PLease help.
> > > Phil Bader
> > > Hi,
> > > Have here an RCA CTC 177 and suspect bad eeprom chip as the set will
> > > not power on and have check all the ususal "stuff" ... standby
> > > supplies, etc.
> > >
> > > Question is... was there a procedure when putting in the new eeprom
> > > where you put in a socket also and then can extract the parameters
> > > yet from the "bad" one so as not to have to do an entire alignment?
> > >
> > > If there is such a process, what were the steps?
> > >
> > > Thanks,
> > > Harlan
> > >
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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
> >
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