Kef PSW2000 Sub schematic required - Page 7 - diyAudio
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Old 16th September 2010, 11:23 AM   #61
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I have KEF PSW 2000 sub wich have died on me.
The green light goes on, but that's all. No sound when touching the cable.

I opened the sub and read the 6 pages of this post.

I am no electronic expert, so i was hoping for some help.
Looks like R123,R119,R122 and R118 are leaking. I wil replace thes with the same values
R143 anR144 are also broken as it looks. Will replace these with 5W as suggested by Roar.
"Q18, 19 are to be replaced by BD139,140"? My sub has been repaired by KEf 4 years back. As you can see there are already on the heatsink, do I still need to replace this? if yes what part do i need.
"C42,43, replace with PP caps" what are PP caps?
"Relay are to be replaced with Omron G5LE1-24"this is the blue box, right?

So i miss anything or should i be good to go.

If there are any dutch people here who already ordered these parts, could you let me know where you ordered?
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Old 4th December 2010, 01:02 AM   #62
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Hi,

My sub are dead. Green light, but no sound.
Could someone send me the schematic? Please send it to nat@vianett.no.

Many thanks. Nat
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Old 4th December 2010, 04:42 PM   #63
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Quote:
Originally Posted by nat76 View Post
Could someone send me the schematic? Please send it to nat@vianett.no.
Done.

Also look at KEF Repairs. Lots of good information there.
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Old 22nd January 2011, 02:41 PM   #64
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My relay started chattering. I replaced c52 et voila!

To be sure I also kept c52's legs a little longer so that I could keep it further away from the warm resistors. See picture.
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Old 16th May 2011, 12:05 PM   #65
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Default PSW200 Schematics

Anyone able to send me schematics for the PSW2000? The link posted earlier in this thread appears to be dead.
Email to killie99 at live dot co dot uk

thanks.
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Old 17th May 2011, 05:22 PM   #66
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Quote:
Originally Posted by killie99 View Post
Anyone able to send me schematics for the PSW2000? The link posted earlier in this thread appears to be dead.
Email to killie99 at live dot co dot uk

thanks.
Done!
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Old 18th July 2011, 12:15 AM   #67
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Im about to put together the things I need to fix this but im starting to think theres no point. they seem to have a fault with pretty much every part on the power amp board. I got given one and the most obvious things are that q19 and q17 have failed / exploded . im half tempted to run it with an external amp rarther than have another problem arise in the future.
cheers for everybodys input.
this is a(/another) link to a service manual ......still not 100% on the first page of specs ?
http://members.chello.nl/b.kalle/kef...e%20manual.pdf
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Old 20th March 2013, 12:48 AM   #68
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Dear all,

can anybody help me with a circuit diagram of the PSW2000 with der circuit/pcb version from June 12 2002? Every manual I found was different. Thanks
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