Author Topic: SMPS contoller i.d.  (Read 760 times)

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Online AudiorepairTopic starter

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SMPS contoller i.d.
« on: October 26, 2021, 11:50:54 am »
Anyone know what this 6 pin SMPS IC is?

 

Offline T3sl4co1l

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Re: SMPS contoller i.d.
« Reply #1 on: October 26, 2021, 01:11:20 pm »
Seems to be Powerforest PF6000A, can't find a datasheet available from here.

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Offline amyk

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Re: SMPS contoller i.d.
« Reply #2 on: October 26, 2021, 01:23:49 pm »
When in doubt, ask the Russians...

https://antenna-dvb-t2.info/show_contr.php?id=4
http://radio-files.ru/pf6000/

The closest thing to a datasheet was 1 page on PF's site and has been attached here for posterity.
 

Online AudiorepairTopic starter

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Re: SMPS contoller i.d.
« Reply #3 on: October 26, 2021, 06:08:07 pm »
Thanks, this is in a pair of cheap "Pioneer" speakers, though I doubt they are actually much to do with Pioneer really.

The typical application circuit on the data sheet front page is probably the same from what I remember.

 

Offline fzabkar

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Re: SMPS contoller i.d.
« Reply #4 on: October 26, 2021, 06:32:50 pm »
 
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Online AudiorepairTopic starter

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Re: SMPS contoller i.d.
« Reply #5 on: October 28, 2021, 01:17:44 pm »
Fixed it eventually, the circuit is pretty much the typical application one.

Turned out the VCC capacitor negative goes to ground through a SMD zero link, which was invisibly dry jointed.

Pioneer DM-40 powered speakers.
 


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