[TechAssist] Re: Need refresher on RCA EEPROM replacing...]
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Jan 2003 21:08:34 -0500
Got one... Can't tell to hear me whine.;-) I just like quickies.
Phil
Jerry wrote:
>
> Phil,
> I hate to state the obvious, but if your going to continue to service
> Thomson sets, you need to invest in chipper check. With it you can
> "reinitialize" the ctc177 series eeproms, which means accessing the
> locations in the eeproms that aren't accessible in the normal service menu.
> On newer chassis (ctc195/7/203 etc), it's a must. On the 177 series, if the
> other (i.e. service menu) values are corrupted, you will have to realign the
> chassis anyway. Since I've had chipper check (about 5 years) I haven't had
> to replace an eeprom. The way Thomson suggests you connect Chipper Check to
> a 177 series chassis is painful, but there are better ways to do it. I made
> an adaptor for those eeprom chips. I can supply more info if interested
> (sorry, I have no pictures of diagrams of this, just text)...
>
> Jerry Eiting geiting@xxxxxxxxxx
> Christians Electronic Service
> Piqua, Ohio
>
> ----- Original Message -----
> From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, January 22, 2003 9:04 AM
> 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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--
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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