MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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honken

Sweden
8 Posts
Posted - 12/06/2007 :  13:11:14  Show Profile  Reply with Quote
I have a problems with my top853(have uv eraser)all brand new.
I can read 2732 and 27512 but i cant burn them.
With the new software it sas ex:20000:error! (file=ad,chip=ff)
Wath am i doing wrong.
And v2.52 dont showe checksum like v1.43.
Edited by - honken on 12/06/2007 13:24:42
Reply #1

ZLM

2937 Posts
Posted - 12/07/2007 :  08:55:43  Show Profile  Reply with Quote
Check the Vpp pin during the programming, to see if the 12V Vpp is correct.
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Reply #2

honken

Sweden
8 Posts
Posted - 12/07/2007 :  09:44:15  Show Profile  Reply with Quote
quote:
Originally posted by ZLM

Check the Vpp pin during the programming, to see if the 12V Vpp is correct.


I am newbe to this????
Did som testing today.
On the amd 27c512 it sas 4000 error file:f1 chip:ff ,i have erased it for 30 min.
On the ??? 2732 it sas oooo error file:49 chip ff ,erased it 30 min
Its the start adress for eproms but the eprom is blank if i check it on the top 853
Looks like it cant be erased or wath.
Its for my car,now i have driving with emulator to get it right but want a eprom.

thanks for the reply.
Edited by - honken on 12/07/2007 10:01:15
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Reply #3

ZLM

2937 Posts
Posted - 12/08/2007 :  18:10:23  Show Profile  Reply with Quote
Try any other chips for eliminating the programmer hardware issue.
The TOP software may have bugs on 27XX chips. You may need to try on the different software version.
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Reply #4

honken

Sweden
8 Posts
Posted - 12/11/2007 :  09:54:01  Show Profile  Reply with Quote
quote:
Originally posted by ZLM

Check the Vpp pin during the programming, to see if the 12V Vpp is correct.


Found ic pinouts for the 27512 and tested the vpp for 12.5v
there is 0v when its programming.
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Reply #5

honken

Sweden
8 Posts
Posted - 12/21/2007 :  03:18:58  Show Profile  Reply with Quote
Its fix nowe with help from support mcumall.
Edited by - honken on 12/21/2007 03:19:37
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Reply #6

ixlman

USA
8 Posts
Posted - 12/31/2007 :  08:43:37  Show Profile  Reply with Quote
What was the fix? Others are having the same problem.
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Reply #7

honken

Sweden
8 Posts
Posted - 02/16/2008 :  03:54:14  Show Profile  Reply with Quote
quote:
Originally posted by ixlman

What was the fix? Others are having the same problem.


Not been here for a time but i hade no 12 volt on vpp and a transitor was burned.
Edited by - honken on 02/16/2008 03:55:30
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