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TI TMS27c040 on VP-490

ICQ：☆unknown☆

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handsome

potiron

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Hi

it"s impossible for me to program any TI TMS27C040 on my VP-490.

Eproms are clean,using windows 7 64bits and lastest software 4.6.0 19/02/2013,firmware 18.0

it start checking blank device then after that immediately auto program fails.
slow program cant be checked.

>>.Auto Program......
>>.Blank Check......
>>.Program......
>>Device Address:00000008H　Device Data:FFH　Buffer Data:66H
>>Auto Program fail!
>> 3,91Sec

Thanks

[ Posted:2013-03-23 17:13:05 ]

Re:TI TMS27c040 on VP-490

ICQ：☆unknown☆

MSN：☆unknown☆

ＱＱ：☆unknown☆

handsome

lxl

host

please use another chip

[ Posted:2013-03-25 21:13:38 ]

Re:TI TMS27c040 on VP-490

ICQ：☆unknown☆

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home page：☆unknown☆

handsome

potiron

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hi
i tried 5 eproms,none can be programmed on the vp-290 but can be programmed on a vp-280

[ Posted:2013-03-27 00:51:22 ]

Re:TI TMS27c040 on VP-490

ICQ：☆unknown☆

MSN：☆unknown☆

ＱＱ：☆unknown☆

handsome

lxl

host

please use AC adapter. or your programmer need repair.

[ Posted:2013-03-27 06:47:49 ]

Re:TI TMS27c040 on VP-490

ICQ：☆unknown☆

MSN：☆unknown☆

ＱＱ：☆unknown☆

home page：☆unknown☆

handsome

potiron

register

ac adpater is always plugged in the programmer,im using it always with it.

how to repair it then?

[ Posted:2013-03-28 01:00:10 ]

Re:TI TMS27c040 on VP-490

ICQ：☆unknown☆

MSN：☆unknown☆

ＱＱ：☆unknown☆

home page：☆unknown☆

beautiful

jin

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Please do the self_test to try. And also test the vcc,vpp0,vpp1......

[ Posted:2013-03-28 15:25:27 ]

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