Re: PET 2001 fix Part 2 - The monitor

From: Philip Lord <random6000_at_mac.com>
Date: Mon, 28 Mar 2011 21:27:57 +0900
Message-id: <963ED649-2B0B-4620-A755-687E912F35B3@mac.com>
Thanks Donato, I'll certainly do that too.

Phil


On Mar 25, 2011, at 5:44 PM, donato wrote:

> Hello Phil,
> 
> It's never a bad idea to replace all the old caps.
> But the wobbling thing you are talking about, is probably a bad potentiometer.
> Just get some contact cleaner and clean the potentiometers with it.
> 
> Regards,
> Donato
> 
> 
> ----- Original Message ----- From: "Philip Lord" <random6000@mac.com>
> To: <cbm-hackers@musoftware.de>
> Sent: Friday, March 25, 2011 7:44 AM
> Subject: PET 2001 fix Part 2 - The monitor
> 
> 
>> Hi again,
>> Now that the motherboard is working, I need to turn my attention to the crazy wobbling monitor. It basically wobbles all the time, but fluctuates between extreme and slight wobbling.
>> Is it time to replace some caps on the monitor circuit board?
>> 
>> If so, I was wondering if I should just attack the 4 big ones:
>> 
>> C1 4700uf 25v
>> C15 470uf 16v
>> C28 10uf N.P
>> C27 3.3uf 200v
>> 
>> ...or should I do them all?
>> 
>> Cheers
>> 
>> Phil
>> 
>>      Message was sent through the cbm-hackers mailing list 
> 
> 
>      Message was sent through the cbm-hackers mailing list


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Received on 2011-03-28 13:00:13

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