Help with a Linn Brilliant PSU U25WSL

adpopulum · 25th February 2012, 04:18 AM

Hi everyone,

I year or so ago I bought a Linn Wankonda with a wonky PSU. Apparently the seller has experienced a power surge and blew up his PSU (this he did not tell me, but in researching the issue I discovered a thread on another board where he was seeking advice on repairing the unit).

Anyhow, it looks like he replaced 2 FETs but there are a number of burnt SMD resistors. I have looked high and low for a schematic for this PSU but cannot find one. Because the resistors are burned (and open) I cannot read their values. Anybody know where I might source a schematic? Any other adivice on how to go about figuring out the resistor values would also be greatly apreciated.

Dave

gootee · 26th February 2012, 03:36 PM

About all I can suggest would be to find an identical PSU, or someone who has one, and get the resistor values from there.

Or you could contact Linn.

bob9417 · 27th April 2012, 09:32 PM

You could have a look at:
Linn Brilliant SMPS - naked! - pink fish media
where there is a lot about fixing the older Brilliant supply, and a mention of a schematic.

Bob

25th February 2012, 04:18 AM	#1
adpopulum diyAudio Member Join Date: Aug 2011	Help with a Linn Brilliant PSU U25WSL Hi everyone, I year or so ago I bought a Linn Wankonda with a wonky PSU. Apparently the seller has experienced a power surge and blew up his PSU (this he did not tell me, but in researching the issue I discovered a thread on another board where he was seeking advice on repairing the unit). Anyhow, it looks like he replaced 2 FETs but there are a number of burnt SMD resistors. I have looked high and low for a schematic for this PSU but cannot find one. Because the resistors are burned (and open) I cannot read their values. Anybody know where I might source a schematic? Any other adivice on how to go about figuring out the resistor values would also be greatly apreciated. Dave

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26th February 2012, 03:36 PM	#2
gootee diyAudio Member Join Date: Nov 2006 Location: Indiana Blog Entries: 1	About all I can suggest would be to find an identical PSU, or someone who has one, and get the resistor values from there. Or you could contact Linn.

27th April 2012, 09:32 PM	#3
bob9417 diyAudio Member Join Date: Apr 2012	You could have a look at: Linn Brilliant SMPS - naked! - pink fish media where there is a lot about fixing the older Brilliant supply, and a mention of a schematic. Bob