RE: Blurry picture

Apparently the P500 has a switch mode power supply, so you might be getting 
interference from the clock frequency of the power supply.

http://www.von-bassewitz.de/uz/oldcomputers/p500/

On Nov 12 2011, Didier Derny wrote:

>Interferences with the power supply ?
>
>Already see that with commodore...
>When it happens the screen is wavy the start of line is not regular
>50 / 60 Hz added to the image.
>
>--
>Didier
>
>
> -----Message d'origine----- De : owner-cbm-hackers@musoftware.de 
> [mailto:owner-cbm-hackers@musoftware.de] De la part de Michal Pleban 
> Envoyé : samedi 12 novembre 2011 10:18 À : cbm-hackers@musoftware.de 
> Objet : Blurry picture
>
>Hello!
>
>Yesterday I managed to fix my P500 :-) It works well, but exhibits a
>strange problem: the picture is very blurry, and sometimes wavy. It is
>not a problem of the television set, because the picture from the 610
>was sharp and clear on the same TV. I am not an analog guy, so I have no
>idea how to improve this. Is it inadequate shielding of the VIC area
>(the upper shielding is lost)? Or simply the P500 being an early model,
>so the electronics is bad? I tried regulating the two potentiometers
>near the VIC, but it had no effect.
>
>Regards,
>Michau.
>
>       Message was sent through the cbm-hackers mailing list
>
>
>       Message was sent through the cbm-hackers mailing list
>

       Message was sent through the cbm-hackers mailing list