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takima007
 Post subject: i need help about electronic card
PostPosted: August 16th, 2010, 11:47 
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Joined: July 11th, 2010, 18:34
Posts: 15
Location: pc 3000
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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giusto meda
 Post subject: Re: i need help about electronic card
PostPosted: August 16th, 2010, 12:09 
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Joined: August 16th, 2010, 10:59
Posts: 8
Location: Italia
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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harddrivespecialist
 Post subject: Re: i need help about electronic card
PostPosted: August 16th, 2010, 12:23 
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Joined: January 15th, 2008, 11:06
Posts: 1420
Location: Providence, RI. Boston, MA USA
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!"

_________________
www.datarecoveryne.com
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rameez
 Post subject: Re: i need help about electronic card
PostPosted: August 18th, 2010, 11:44 
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Joined: June 27th, 2006, 11:33
Posts: 2332
Location: In ur HDD !
http://freecircuitdiagram.com/2009/03/2 ... ransistor/
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fzabkar
 Post subject: Re: i need help about electronic card
PostPosted: August 19th, 2010, 3:24 
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Joined: September 8th, 2009, 18:21
Posts: 14945
Location: Australia
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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