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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 6,665 of 7,706   
   Computer Nerd Kev to Ian Field   
   Re: Monitor Sync Signal in 80s Arcade Ma   
   20 Feb 13 06:01:50   
   
   From: not@telling.you   
      
   On 20 Feb 2013, Ian Field wrote:   
      
   > If its old, there might be issues with dried out   
   > electrolytic capacitors, but these tend to improve as they   
   > warm up, but check whether there's a coupling electrolytic   
   > between the horizontal driver transformer and the base of   
   > the power transistor.   
   >   
   > If the E/W correction starts to go awry at the start of the   
   > problem, the fault may not be confined to the sync system -   
   > observe all the symptoms as a whole and consider which part   
   > of the display unit as a whole could affect all of them.   
      
   Thank's, I'll keep that in mind when I finally get around to   
   looking at the thing. Unfortunately it's something of a   
   process getting the monitor unit into a visible position.   
      
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