MS2930->MS2931 swap wiring check

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djhDET
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MS2930->MS2931 swap wiring check

Post by djhDET »

I've just swapped a non-working MS2930 for the MS2931 I bought through Yahoo Japan a while back. At first I assumed the 2930 power/RGB wiring wasn't compatible but a closer look suggested it was, so I hooked it up and gave it a try. Nothing - but then I noticed that the fuse on the board had blown, presumably before it reached me. (Which is ominous but whatever.)

Take a look at this wiring and tell me if you think it's okay. Notice that only one RGB cable is going in from the AMP UP (because that's all there was) and there's a second connector for the AC side that doesn't go anywhere. I don't have a remote board connector yet so I'm not sure if that's a factor, and there's no cable for the degauss switch. Really I just wanted to test the board to see if it did anything at all, but figure it's worth running this by you lot in the time it takes for the 1A fuses to arrive.
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DMC
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Re: MS2930->MS2931 swap wiring check

Post by DMC »

I’m pretty sure the wires you’re holding are the for the demag circuit. There’s the demag wires that go into the chassis from the button/circuit and then the demag wires that go from the chassis to the tube.

The connector you’re holding may not necessarily be compatible with the board you want to connect to. You may have to make an adaptor or change the connector to suit the board.

The red connector next to the RGB one I believe is for the VGA connector which is normally attached the the chassis.
Last edited by DMC on June 12th, 2023, 5:40 am, edited 1 time in total.
DMC
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Re: MS2930->MS2931 swap wiring check

Post by DMC »

Here’s my 2931. You can see the demag “in” little connector from the AMP UP and the demag “out” that’s not connected. What cab are you installing it in? The connector you’re holding is the same as what’s in my Windy II designed to connect to the Toshiba PB7543.
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DMC
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Re: MS2930->MS2931 swap wiring check

Post by DMC »

DMC wrote: June 12th, 2023, 5:37 am Here’s my 2931. You can see the demag “in” little connector from the AMP UP and the demag “out” that’s not connected. What cab are you installing it in? The connector you’re holding is the same as what’s in my Windy II designed to connect to the Toshiba PB7543.
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What you’re holding would normally plug into this. I’m looking to do a chassis swap myself, so I can work out the connectors but that’s as far as I’ve gotten.
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