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ezoflash 4v4 problems. 5 volts always on D6-20
Добавлено: Сб ноя 17, 2012 5:53 pm
quinhomvs
My ezoflash is with some short track or without contact , the D6-20 - BU3-8 , always 5 volts, already tested for short between tracks but apparently there is no short , can anyone help following a right direction .
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Re: ezoflash 4v4 problems. 5 volts always on D6-20
Добавлено: Пн ноя 26, 2012 10:19 pm
Ezo
Test H/W. D5 or D7 is switching 0/5V ?
D6 - always 5V .
Test H/W D6-20 on/off
Check D6 voltage changes 4503 IC5/6, IC5/7, 4014 IC6/15
Check no line cut between D6 related pins. Inspect, measure with ohmmeter.
Re: ezoflash 4v4 problems. 5 volts always on D6-20
Добавлено: Вт ноя 27, 2012 1:41 am
quinhomvs
all test test / HW passed except the D6, I am using a HP notebook , with programmer disconnect the pin 8 of Lpt1 always gets 5 volts( high level ), impossible use the programmer because of this setup LPT1 , is there any way to change this setting, ja tested EPP, ECP and always 5 volts on pin 8 of LPT1 , the next month there is no way to test on another computer , the lpt1 is burned ?
Thank you for reply.
Re: ezoflash 4v4 problems. 5 volts always on D6-20
Добавлено: Вт ноя 27, 2012 7:33 pm
fsem
Вот программа для проверки LPT-порта.
Re: ezoflash 4v4 problems. 5 volts always on D6-20
Добавлено: Ср ноя 28, 2012 12:24 pm
quinhomvs
I tested with parmon.exe , the pin8 ( D6 ) of LPT1 always get 5 volts ( high level ) , the lpt1 is burned , Thanks to everyone who helped, I will test on another computer in another day , is possible to use an adapter paralel/usb?