donkey kong 3

beeman8

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Nov 12, 2012
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Herbert, Saskatchewan, Canada
hi I have a dk3 that seems to get power but nothing on the monitor the sync is not toggling clock signal is there plus resets is fine were do I start with this
 
Make sure you have a clock on 1L/1M/1N and 5C/6C on the video PCB. Those appear to be the horizontal and vertical address counters which eventually are used to generate the sync.
 
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