MS2930 super bright image

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XeD
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MS2930 super bright image

Post by XeD » April 12th, 2017, 9:15 am

I Have a MS2930 that was working, now I get a Bright blue image. I can barely make out image. Does anyone have any ideas?

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grantspain
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Re: MS2930 super bright image

Post by grantspain » April 12th, 2017, 9:40 am

sounds like blue drive circuit is full on,prove by desoldering the blue gun pin on the crt socket

XeD
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Re: MS2930 super bright image

Post by XeD » April 13th, 2017, 12:30 am

I swap neck board with the same result. I will disconnect the blue pin later tonight.

XeD
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Re: MS2930 super bright image

Post by XeD » April 13th, 2017, 10:43 am

It end up being a bad transistor (blue chromo)on the neck board. The same one was missing from my swap board. After replacing that from a donor board, I get no sync on the 15khz. 24khz work fine.

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