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

[PETER BROWN]

"Flock" of condensers.  Hmm?  Maybe then a "herd" of tubes?

Peter


----- Original Message ----
From: Ron Rich <ronnnrich at yahoo.com>
To: Jukebox mailing list <jukebox-list at lists.netlojix.com>
Sent: Tuesday, November 27, 2007 5:28:34 PM
Subject: Re: [Jukebox-list] Wurly 2400S/538 amp ??

Dear Dr. Don, 
  I guess, from judging from your post, that I am also qualified as a "Dr." The 538 is now playing beautiful music--I just changed  a flock of condensers( going by what the original values, and polarities were in that amp)--and away it went----
  "Dr." Ron Rich
  
Don <dontutt at telus.net> wrote:
  "Well"... the radio is usually DEAD when I get it...
...so I keep an autopsy page to document what I replace along the way....
it might later help me find an open or shorted something else..... ;-)
plus I have attended a few autopsies in past.. so the name for the sheet was 
obvious.
Dr. Don



----- Original Message ----- 
From: "Ron Rich" 
To: "Jukebox mailing list" 
Sent: Monday, November 26, 2007 8:48 AM
Subject: Re: [Jukebox-list] Wurly 2400S/538 amp ??


> Don,
> "Autopsy" ?? I have never heard of anyone "doing an autopsy" on someONE 
> that is not dead, let alone on someTHING !
> Thanks for checking--Ron Rich
>
> Don wrote:
> 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"
> To:
> 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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