CI-700 Drive Control

I am still looking for help and information with the CI-700 drive.

"I am repairing several bad CI-700 drive contollers. The hardware is all functioning and the only problem is the flash memory in the AT89c52 micro-controller is corrupt. I tried to read out a good AT89c52 but the flash memory area is locked. Does anyone know where I can find a copy of the HEX file. I sent an e-mail to Celestron eventhough I know they no longer support the CI-700, and have gotten nowhere with them. I even asked if I could send some controller chips to them for programming and have gotten no responce. Bv(

I checked and Tangent Inst did not build these controllers. Does anyone know who did?

I hope someone can help me out since Celestron is being NO help.

John

UPDATE.......

I am still waiting for a reply from Celestron... It is going on three weeks since I asked if they would program the chips for me since they don't want to give out the file.

Customer service????

John