Millipede issues

scottsmith

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Donor 2012
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Ok - I am going to post here to see who else might be reading this section of the board...

Just got a Millipede last weekend. It boots up and begins a game. Generally, the attract screen, etc. are in German, but the DIPs are set for English.

In addition, the screen starts to drift up on the right side after a couple of minutes (and down on the left), and this gets progressively worse until the screen starts rolling.

I did a rebuild kit on the PS and ARII today (from Bob R.), but the problems persist. I thought it was fixed after this as one time it did boot in English.

Here is what I am getting voltage wise on the PCB:

5.0v TP is 5.0
10.3v is a little over 13
-15 is about -14.78
-28 is around -27.8

On the monitor, I am getting 129.1vAC from the PS. The B+ is about 145.0 (I know that is high). The B+ adjust seems to have no effect. I was thinking that the problem may be monitor related, but since the German has popped back up, I am not so sure.

I also cleaned all of the edge connector contacts on the T-board and the PCB. Also cleaned the edge pins themselves. Reflowed the solder on the DIP switches thinking that might be a problem.

The PCB looks very good to me - no burns, broken or missing components, or anything like that.

Open to suggestions and thoughts?????

Thanks -

Scott
 
Is that +5v test point near the edge connector or somewhere else?

My guess is that you have PCB and monitor issues. Any way to verify that?

On the languages, try setting the dips to the other languages and see if all are flakey or stable. Anyone know whether Millipede reads the language dip at startup or constantly while running?
 
I will check that. I had checked at the 5v next to the edge conn. Will check at the other end of the board as well.

I have not tried any other DIP config, but will check that as well. I am not sure about the checking, but I have not noticed that it changed during a game.

Thanks again - will report back!
 
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