G07 b+ 120 / 165

edwoodjnr

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Donor 3 years: 2012, 2015, 2023
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Jun 3, 2012
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I had an issue with my Tapper G07 where the game was fully working but the monitor would not switch on.

I noticed it had the original caps so did a cap kit but it still did not switch on so I checked the voltages and found it was going into HV shutdown. Following the flowchart I pulled transistor (X07) and then it came on.

I replaced X901 and X902 and resoldered X07 and all is good. The only question I have is that B+ is a solid 120v but the other end of the white cap is 165v not 145v.

Is this ok to leave it or are there any suggestions about what I need to do to get it to 145v.
 
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