[Jukebox-list] Wurly 2400S/538 amp ??

Don dontutt at telus.net
Sun Nov 25 22:58:26 PST 2007


WOW Ron!
You got a doozer there!
Wish I still had that unit in the shop.
Will check its autopsy notes (which I do on all repairs...)
Back at ya soon.
d



----- Original Message ----- 
From: "Ron Rich" <ronnnrich at yahoo.com>
To: <jukebox-list at lists.netlojix.com>
Sent: Sunday, November 25, 2007 12:57 PM
Subject: [Jukebox-list] Wurly 2400S/538 amp ??


> Hi All,
>  A couple of questions on this Wurly 2400S/538 amp---
>  # 1. Does anyone have any info on how to set the bias? (No info on 
> schematic--nor anywhere else in the manual, that I can find)
>  #2. Board parts layout shows a resistor "sitting" on the bias pot--but 
> the unit I have is missing it, and it looks like it was never there? Does 
> anyone know what is correct--and the resistor value, if used? Also, found 
> many errors in the lay-out. Cap polarity is not correct for about half of 
> the lytics--printed foil markings on trace side are correct. The 
> resistor/cap numbering on the schematic and the layout is also very 
> confusing--if not wrong?
>  Ron Rich
>
>
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