Millipede test points (what they should read)

mixinguiness

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What should I be looking for at the test points on an unmodified millipede board?

IE:
Rom 4 is low and pulsing and goes high every 5 sec
Reset is high and goes low every 5 sec.

Basically I have a garbage screen and want to do some initial testing before sending this out for repair.

Thanks!
 
It sounds like a ram failure,the test runs and then you get a series of beeps telling you where you may have a ram failure but if the audio circuit is also defective you won't hear the diagnostics tones, after the tone sequence the board will reset and run the same sequence over and over and over and over forover (I meant forever).
Dick
 
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