[Jukebox-list] HELP needed with Rock-Ola 1428

[dirksenj at bellsouth.net]

When the amp is first turned on, 10 volts are applied to the filaments to 
heat the tubes quickly. After a few seconds, a relay inside the amp pulls in 
and the contacts switch to put 6.3 volts on the filaments. I'm guessing you 
have dirty contacts on this relay or one or both 6L6 tubes is bad. Good 
luck,

Jim
----- Original Message ----- 
From: "Terry Houchins" <terry75115 at yahoo.com>
To: <ronnnrich at yahoo.com>; "Jukebox mailing list" 
<jukebox-list at lists.netlojix.com>
Sent: Wednesday, March 19, 2008 7:01 PM
Subject: [Jukebox-list] HELP needed with Rock-Ola 1428


> The fliaments on my Rock-Ola tubes for awhile have
> been going out.
>
> It' seems that when I first turn it on it will play
> for a few seconds and then the audio goes dead.
> After about 30 seconds the filaments start to light-up
> and the sound comes back. It does this over and over
> again.
> I think I can hear a faint click each time.
>
> It sounds like a cold soilder joint but does anyone
> know where I should start troubleshooting in the
> filament circuit?
>
> Thanks,
> Terry
>
>
>
>
> 
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