[Coco] [Color Computer] TRS-80 Color computer 2

Kevin Diggs kevdig at hypersurf.com
Fri Sep 3 14:37:38 EDT 2004


Hi,

	To isolate whether it is the video system or the entire computer, type 
'motoron', 'motoroff' and listen for the relay. If this works then it is 
a problem in the video system only.

					kevin

Neil Morrison wrote:
> I'd check around the ram as well. Sometimes the socket connections aren't
> good.
> 
> Neil
> 
> ----- Original Message ----- 
> From: "steve_churchman" <steve.churchman at kbnet.co.uk>
> 
> 
>>Hi
>>
>>Does anyone have a circuit diagram for the Color Computer 2 (PCB
>>version 20261045) which I understand is a Korean version of the CoCo.
>>
>>I have a problem with mine, rubbish on the screen when I power up.
>>But when I press hard on the 6847P chip and press the reset button
>>it resets ok.
>>
>>I suspect I have a dry joint somewhere....
>>
>>I will refund any expenses incured via paypal.
>>
>>Regards Steve
> 
> 
> 
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