[Coco] SVGA monitor

[jdaggett at gate.net]

Roy

Unless I a have an incorrect schematic for the service manual, the PAL encoder board only 
take the RGB signals in and composite sync from Q11. The output of the the PAL encoder 
board is PAL composite signal.  RGB outputs are the same as the NTSC version. 

james

On 17 Oct 2009 at 11:01, RJRTTY at aol.com wrote:

> In a message dated 10/17/2009 9:12:19 A.M. Eastern Daylight Time,  
> jdaggett at gate.net writes:
> 
> 
> >Roy
> 
> >Does you scan doubler use the PAL composite output or  the PAL RGB outputs 
> >from the PAL Coco3? If the composite output from the  PAL Coco3s were used 
> >then that would explain why there is a difference.  For one, better 
> filtering in the 
> >output. The RGB output buffers are same  for PAL and NTSC versions. 
> 
> >james
>  
>  
> My converter uses the PAL RGB outputs.    But those  signals
> are generated outside the GIME.   The composite pin of the
> GIME isn't even connected to anything in the PAL machines.
>  
> Roy
>  
> 
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