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True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)

GQ-4X and ADP-054 no longer working

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[quote][i]Originally posted by sammargh[/i]
[br]My ADP-054 was working fine earlier today however now it refuses to get past 3% on 27C400 it's always the same address and the write is off by 8. I am using a power supply with the GQ-4X and as stated it worked earlier today, I was able to program about 24 chips without issue. Blank checking works fine but writing does not.

Some examples:
Chip is blank 
ID check skipped
Writing... Buffer
Elapsed time: 2.34 seconds.
Write failed, Address=0x00402D, Buffer=0xEB Device=0xE3
Write failed

And with a smaller chip - HN27C4096

Write failed, Address=0x00000B, Buffer=0x88 Device=0x80
Write failed
Different file but HN27C4096
Write failed, Address=0x000003, Buffer=0x0B Device=0x03
Write failed

I know it isn't the chips because I tried almost 20 different 27C400 and all failed at the same exact address writing after passing a blank check. I was able to program the HN27C4096 with my cheap chinese TL866 fine.

Any ideas what may be going on? J1 is set to the first position.

[/quote]

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T O P I C R E V I E W
sammargh	Posted - 03/19/2018 : 16:03:48 My ADP-054 was working fine earlier today however now it refuses to get past 3% on 27C400 it's always the same address and the write is off by 8. I am using a power supply with the GQ-4X and as stated it worked earlier today, I was able to program about 24 chips without issue. Blank checking works fine but writing does not. Some examples: Chip is blank ID check skipped Writing... Buffer Elapsed time: 2.34 seconds. Write failed, Address=0x00402D, Buffer=0xEB Device=0xE3 Write failed And with a smaller chip - HN27C4096 Write failed, Address=0x00000B, Buffer=0x88 Device=0x80 Write failed Different file but HN27C4096 Write failed, Address=0x000003, Buffer=0x0B Device=0x03 Write failed I know it isn't the chips because I tried almost 20 different 27C400 and all failed at the same exact address writing after passing a blank check. I was able to program the HN27C4096 with my cheap chinese TL866 fine. Any ideas what may be going on? J1 is set to the first position.
1 L A T E S T R E P L I E S (Newest First)
anniel	Posted - 03/21/2018 : 04:18:11 quote: Originally posted by sammargh My ADP-054 was working fine earlier today however now it refuses to get past 3% on 27C400 it's always the same address and the write is off by 8. I am using a power supply with the GQ-4X and as stated it worked earlier today, I was able to program about 24 chips without issue. Blank checking works fine but writing does not. Some examples: Chip is blank ID check skipped Writing... Buffer Elapsed time: 2.34 seconds. Write failed, Address=0x00402D, Buffer=0xEB Device=0xE3 Write failed And with a smaller chip - HN27C4096 Write failed, Address=0x00000B, Buffer=0x88 Device=0x80 Write failed Different file but HN27C4096 Write failed, Address=0x000003, Buffer=0x0B Device=0x03 Write failed I know it isn't the chips because I tried almost 20 different 27C400 and all failed at the same exact address writing after passing a blank check. I was able to program the HN27C4096 with my cheap chinese TL866 fine. Any ideas what may be going on? J1 is set to the first position. Defective or dirty socket?

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