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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