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)
 GQ-4X stopped working

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T O P I C    R E V I E W
roybridge Posted - 11/15/2016 : 12:14:06
I only tend to program ST M27C1000 EPROMs. All was working up until last week, but now, every time I try to program, it fails at 6%.

The EPROMs themselves are ok (I've blanked them, and programmed with a different programmer).

I can verify and blank check OK, but not programme.

Any ideas or suggestions?
3   L A T E S T    R E P L I E S    (Newest First)
ZLM Posted - 12/03/2016 : 21:58:54
The programmer A13 pin damaged.
roybridge Posted - 11/27/2016 : 12:01:43
This is the exact same error I get with each M27C1000 device that I try to write with my GQ-4X.

The devices are OK as I can program them with my TL866A programmer.

Image Insert:

18280 bytes
ZLM Posted - 11/21/2016 : 14:25:29
what is your exact error message?

If there is no contacting problem involved, then the problem may come from the programmer hardware.

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