MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 Repairing GQ-4X

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T O P I C    R E V I E W
mohhingman Posted - 04/02/2014 : 15:39:15
Hello,

This is a great product which I have used to program many eproms over the last year. Unfortunately this morning one of the Address lines (A14) has failed, I guess maybe a bad Eprom was inserted on my part. I have isolated the fault to CPLD U6. A pin has a 79 ohm short to ground and the pin has trouble producing output. The programming fails on verify at 0x4000. Is it possible to order a spare CPLD to fix my programmer?

Regards
Mohhingman
1   L A T E S T    R E P L I E S    (Newest First)
ZLM Posted - 04/03/2014 : 16:59:11
Please write email to support@mcumall.com

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