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| i need help about electronic card http://forum.hddguru.com/viewtopic.php?f=11&t=16716 |
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| Author: | takima007 [ August 16th, 2010, 11:47 ] |
| Post subject: | i need help about electronic card |
i have a emulartor pc3000 but i have some hdd doesnt complet because they need a electronic card like seagate and sumsung and this electronic card its name pc kalok and pc conner rght now i wanr schemat of this electronic card |
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| Author: | giusto meda [ August 16th, 2010, 12:09 ] |
| Post subject: | Re: i need help about electronic card |
Ho un hard disk Samsung tipo "SP2514N 250GB/7200rpm/8M/PATA" La scheda elettronica (BF41-00085A Rev. 10) ha la parte alimentazione con diodo per la tensione 12V. bruciato. ho sostituito lo stesso senza ottenere il funzionamento del disco. E' possibile avere uno schema del BOARD oppure la serigrafia dei componenti? oppure il componente che esiste vicino al diodo (12V.) che cosa รจ visto che non si riesce a leggere. (E' una resistenza o un condensatore, di quale valore deve essere. In attesa di una risposta (urgente, se possibile) saluto |
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| Author: | harddrivespecialist [ August 16th, 2010, 12:23 ] |
| Post subject: | Re: i need help about electronic card |
takima007 wrote: i have a emulartor pc3000 but i have some hdd doesnt complet because they need a electronic card like seagate and sumsung and this electronic card its name pc kalok and pc conner rght now i wanr schemat of this electronic card Read forum rules. "No cracked software here!" |
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| Author: | rameez [ August 18th, 2010, 11:44 ] |
| Post subject: | Re: i need help about electronic card |
http://freecircuitdiagram.com/2009/03/2 ... ransistor/ |
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| Author: | fzabkar [ August 19th, 2010, 3:24 ] |
| Post subject: | Re: i need help about electronic card |
rameez wrote: http://freecircuitdiagram.com/2009/03/27/simple-ttl-rs232-level-converter-using-transistor/ That will only work if the HD's TxD pin swings between 0V and +5V. AFAIK, modern HDs use Vio supplies of 3.3V or 2.5V. I presume the value of Vio determines the TxD voltage levels. I would look instead for a circuit that is based on Maxim's RS232C driver chips. Choose one that is specified for a 3.3V supply. |
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