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Posted

hi thosten!

first,there is one thing wrong on usb module.pdf.the resistor on pin13 of an2131sc must be 27 instead 8,no?

my problem is that i have just finished usb module,i connect it but pc doesnt dettect it.what´s wrong?all the soldering points are ok,and bridges.only that i havent plug in r12 and r9 because i have lost them,,jaja..must be that?power led is turned on and midi leds jitter.

what can i do?must be my windows ME?

please,answer me as soon as you can.

thanks

Posted

yeah!ok ok !! now is ok! lm317 was wrong

but after i burn iic eeprom it says "vendor request failed" .is this ok? it seems that iic eeprom is not burned..

my pc dettect usb module as unknown and unavailable..is this ok?have i to install any driver ?

thanks

Posted

Hi Synergic,

don't know if I'm right, but maybe you have the same problems I had....

Could you check if the pins 3 and 4 of IC2 are connected on your pcb ? -

If not - connect them and program the module again.

- That was my problem.

Before programming the wwprom your pc must have a cypress usb device and after programming you have a USB Audio device.

Should be ...

doc

Posted

hi doc! thanks!!  ;) but the problem was other...windows milleniun!! this morning i plug usb module in a pc with w98 and...voila!! now is working,and as you say,win Me dettect it as an usb audio device!

thanks again for your hellp!!

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