I built mine too several years ago but doing a search on Ebay for "eeprom programmer" yields several that look like they would work fine at $35 or less so why bother building one? Joel Jacobs Ohio consumer Electronics Pickerington, Ohio ----- Original Message ----- From: "John @ Myers TV" <myers_tv_b@xxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, June 10, 2005 7:10 AM Subject: [TechAssist] Re: EEPROM programmer > Randall, > > Yes, if you have a schematic, I'd be interested in it. I did some surfing > and forund the lancOS site last evening. the hardware doesn`'t look too hard > at all. > > Thanks, > > John Myers > Myers TV Service Co. > 376 E. State St. > Alliance, OH 44601 > > Voice / Fax: 330-821-6545 > Myers_tv_b@xxxxxxxxxxxxx > http://www.myerstv.net > > Work as if you were to live a hundred years, > Pray as if you were to die tomorrow. > Ben Franklin > ----- Original Message ----- > From: "Randall Torda" <lectrics284@xxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, June 09, 2005 11:32 PM > Subject: [TechAssist] Re: EEPROM programmer > > > > John, > > > > I have breadboaded a simple EPROM programmer > > using Radio Shack parts and and old serial DB9 > > computer cable. The circuit consist of only two > > 4.7 zeners, couple caps, couple resistors, and one > > 78L05 regulator. The programmer is only for > > 24CXX serial eproms. The pony programmer can > > be downloaded at: http://www.lancos.com. > > The circuits that they show for breadboading are > > a little more complex. I've tried the one that uses > > the parallel port...but I could never get to work > > properly, so I breadboaded one using my simple > > circuit using the serial port.. I use it to copy, verify or load EPROM > > data. You can even edit program data. You > > can save the data in e2p, hex,bin etc if you want > > to use other eprom software. > > I don't have any schematic producing software > > to make it look nice so I have to draw it out manually, scan it and send > > it > > to you and if anybody wants to try it then I'll upload it. > > > > > > > > On Thu, 09 Jun 2005 21:32:15 -0400 "John @ Myers TV " > > <myers_tv_b@xxxxxxxxxxxxx> writes: > > > Hi Bruce, > > > > > > I was thinking of the name Pony, but I wasn't sure if it was a brand > > > > > > name, or not. I'm probably going to use it on just 8 pin dips, so > > > I'll > > > start looking for the pony programmer. > > > I also have the CC, and I've also learned to take its advice with a > > > grain of salt. > > > > > > Thanks, > > > > > > John Myers > > > Myers TV Service Co. > > > 376 E. State St. > > > Alliance, OH 44601 > > > > > > Voice / Fax: 330-821-6545 > > > Myers_tv_b@xxxxxxxxxxxxx > > > http://www.myerstv.net > > > > > > Work as if you were to live a hundred years, > > > Pray as if you were to die tomorrow. > > > Ben Franklin > > > > > > > > > > > > > > > Bruce Tiedeman wrote: > > > > > > >John , I have a CC that is 3 years old and a cheap little Pony > > > style > > > >programmer. I have fixed difficult problems with my CC. On the > > > other hand it > > > >cost me a lot of wasted time. I had a RCA 35" TV with a Gemstar > > > module and > > > >every thing pointed to the EPROM. I used the CC to check and reset > > > the EPROM > > > >to factory setting which it did and confirmed EPROM OK.. I still > > > had the > > > >problem. After spending a lot of time checking other things I took > > > apart > > > >another set (RCA 27'") with a Gemstar module and copied the EPROM > > > data with > > > >my cheap little unit and then wrote the data to the problem set . > > > This fixed > > > >the set. I just had to go into the service mode and set up the > > > vertical and > > > >horiz scan for the new eprom. > > > >"The original problem if I can remember was the set would stay on > > > one > > > >channel after running the auto programming and the picture was off > > > frequency > > > >like a AFT problem." > > > >I still don't have confidence in my CC but the little Pony unit > > > always works > > > >good on the 8 pin EPROM's and many Techs on our list have the EPROM > > > data for > > > >different sets they will share.. The Pony unit will do most any 8 > > > pin EPROM > > > >unlike the RCA CC (Chipper Check) unit. > > > > > > > >Bruce > > > > > > > >B&T Electronics > > > >139 Margaret St > > > >Sarnia Ontario > > > >Canada > > > >N7T 2Y3 > > > >519 344 1850 > > > > > > > >----- Original Message ----- > > > >From: "John @ Myers TV" <myers_tv_b@xxxxxxxxxxxxx> > > > >To: <techassist@xxxxxxxxxxxxx> > > > >Sent: Thursday, June 09, 2005 3:27 PM > > > >Subject: [TechAssist] EEPROM programmer > > > > > > > > > > > > > > > > > > > >>Hi, > > > >> > > > >>I remember reading a post, maybe a year ago about EEPROM > > > programmers. I > > > >>didn't buy one then, but I'm ready to spend the bucks now. > > > >>Is there a programmer that you like, or would reccomend? I'm > > > planning to > > > >>use > > > >>it on the 8 pin dips from the RCA's and the Magnavoxes. > > > >> > > > >>Thanks, > > > >> > > > >>John Myers > > > >>Myers TV Service Co. > > > >>376 E. State St. > > > >>Alliance, OH 44601 > > > >> > > > >>Voice / Fax: 330-821-6545 > > > >>Myers_tv_b@xxxxxxxxxxxxx > > > >>http://www.myerstv.net > > > >> > > > >>Work as if you were to live a hundred years, > > > >>Pray as if you were to die tomorrow. > > > >> Ben Franklin > > > >> > > > > > >>----------------------------------------------------------------------- > > ------ > > > >>This Email List is Public. Remove: > > > http://www.tech-assist.org/remove.htm > > > >>Lost Password: http://www.tech-assist.org and select "Login > > > Problems?". > > > >>Appliance Repair List: > > > >>http://www.tech-assist.org/secure/tip/chatjoin.htm#app > > > >>Email Archives: //www.freelists.org/archives/techassist/ > > > >> > > > >> > > > >> > > > > > > > > > > > > > >------------------------------------------------------------------------ > > ----- > > > >This Email List is Public. 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