MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 EZ-USBM AN2131QC bridges detectet

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T O P I C    R E V I E W
sylverster16v Posted - 05/31/2009 : 06:02:38
after problems with GQ-4x Zif-Socket,i opened the case an saw EZ-USBM AN2131QC with dirty contacts and some bridges...
i removed the chip and they are 5 bridges!
please tell which bridge is to much,so i will clean it.

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9   L A T E S T    R E P L I E S    (Newest First)
osvaldo Posted - 02/09/2014 : 12:52:48
you can send a diagram to verify tenciona thanks
osvaldo Posted - 02/09/2014 : 12:50:11
Already tried cable 3 very good warm and misto do you send mail the serial programmer
It may be corrupt some component you can send me the list of tp for diagnosis programmer to know that is damaged due
ZLM Posted - 02/07/2014 : 14:34:43
Check the USB cable. Use another working good USB cable and see if it works.
osvaldo Posted - 02/06/2014 : 17:43:25


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See what you say is an2131qs replace the other as well and update the developer with the new ic
osvaldo Posted - 02/06/2014 : 17:39:09


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osvaldo Posted - 02/06/2014 : 17:37:45


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ZLM Posted - 05/31/2009 : 10:02:40
It may be the software related.
Can you try on the different software version?
Do you have another same type chip for testing?
sylverster16v Posted - 05/31/2009 : 09:55:19
ok....
no the vsop chip doesnt work,it hangs by 25% :(
ZLM Posted - 05/31/2009 : 09:47:58
Those are correct bridges. Not the defective short.
You can just clean the dirty(soldering flux). But do not open the bridge.

Does the PM39LV040*Vsop work now?

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