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-   -   Sony Xa7-ES cdp power supply diodes (http://www.diyaudio.com/forums/power-supplies/121643-sony-xa7-es-cdp-power-supply-diodes.html)

Chilli6565 20th April 2008 03:25 AM

Sony Xa7-ES cdp power supply diodes
 
Hi , This is my first thres , so bear with me. My sony xa7es cdp has two power supply boards,one for analogue and dacs and the other for digital and stuff. I have alredy replaced the diodes on the digital ps board to Vishay sbyv27-200...and these are gr8.
However on the ps board for the analogue and dacs , the schematic shows the rectifier diodes in a strnge arrangement...like four half wave rectifiers,,,but the wiring diagram shows a normal full wave rectifier.
I was going to use the same vishay diodes here....but can someone just clear up the proper connection for me..
thanks heaps
Paul:smash:

tvi 20th April 2008 04:29 AM

Its a little hard to tell from the servicew manual but I think its a standard bridge but made up of 4 dual diodes in TO220 packages. As the ones Sony has uses don''t come in common and and common cathde compliments the layout is a bit hard to follow.

I don't know if changing these will do much as they are already Schottkys.
F10P10Q

tachyon SBD

Regards
James

Chilli6565 20th April 2008 08:59 AM

thanx heaps for the info James......might leave it as is .
Paul


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