Re: Millipede monitor weirdness

Double check the wiring. I'm sure the two cabs must be wired differently.

Jon

At 11:22 AM 2/19/2002 -0600, you wrote:
>>Mark E Davidson wrote:
>>
>> Its not stuck in test mode is it?
>
>No neither board or game is stuck in test.
>
>>Teaganm wrote:
>> The white and red plugs are set up for different sync. If I remember
>> right, white is neg, red is pos. The prints should show this. I don't
>> know why they would work differently between the 2 machines, possibly
>> someone did some creative wiring in the past.
>> To clarify your post, the transformer is the problem?
>>
>> Steve
>
>Neither transformer is bad. I tried both on both games and both seemed
>fine.
>
>I figured the plugs were for different sync's, but I would have thought
>the same monitor would work on the same plug in both. As I said...
>weird. If anyone has any other thoughts, please let me know. I'm going
>to try posting to RGVAC too.
>
>Joe
>
>>
>> --- Joe Magiera <joemagiera@ameritech.net> wrote:
>> > Working on two crummy Millipedes, trying to switch parts to make one
>> > somewhat decent one. One machine has a monitor (A), one doesn't (B). I
>> > test both boards in both machines. Both work fine on A and play blind
>> > on B. Try both audio reg boards on both and same results. Try even
>> > both transformers on both machines. All fine so far.
>> >
>> > I notice that both harnesses have two plugs where the video signal would
>> > plug into the monitor; a white plug, hand labeled "A" and a red plug,
>> > hand labeled "B". The A machine used the white plug and worked fine.
>> > So I plug the monitor from A into B on the white plug and garbage on the
>> > screen. Dang! Just for fun, I plug the red connector in on B and it
>> > works fine. So I try the monitor again in A on the red plug and garbage
>> > on the screen.
>> >
>> > The owners manual doesn't mention anything special. I looked at the
>> > schematics, but I admit, I didn't do too well here. What is the
>> > difference in plugs? Why would the same monitor only work on the white
>> > plug in one machine, and only work on the red plug in the other?
>> >
>> > Can anyone explain this one? Thanks,
>> >
>> > Joe
>> > joemagiera "atsign" ameritech.net
>> >
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Received on Tue Feb 19 10:51:13 2002