Re: PLA replacement for C64

Hi Ruud :)

I guess the  8701 and 6569 are ok, I had spare to swap

I'm also thinking to the ram ship, but I think I would rather have a 
garbaged screen with a ram failure
in any case, I'll try to find some replacement  I thought it was 4164 
but I've nevers seen the reference of the rams on this board

thanks

--
didier






On 29/04/2015 08:23, Baltissen wrote:
> Hallo Didier,
>
>
>> the symptoms:
>>
>> black screen but a few pixels on the left with the color of the c64 border
> FYI: I repaired (and still do) a lot of C64's. In the 90's most of the times the CIA's were the troubleshooters (but the system started up). If the system didn't start up at all, most of the time (> 90%) it was the PLA. Second trouble shooter is the system ROM. VIC-II: two in 30 years, 6510: none. Other rare cases: brooken crystal, 8701, modulator, 7805, 7812.
>
> So replacing the PLA is a very good bet.
>
>
> With kind regards / met vriendelijke groet, Ruud Baltissen
> www.Baltissen.org
>
>
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