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Question
When powered on the monitor brightens but is black with white lines,  there is no sound or pic.  There is a dimley lit flashing yellow light on the board in the cabinet.  Any ideas game worked well before it quit.  Thanks

Answer
Gday Broc,

Dimly lit light I would suspect the power to the gameboard may be very low.

Firstly get a multimeter and test at the gameboard harness what voltages you have coming in on the jamma harnesses.  See if the 12V and 5V aren't really low, if they are if you have an adjustable power supply try and adjust to fix.  (Or maybe just replace the entire power supply)

But that would be the starting point.  (I only going there as the light should be fairly bright and not dim)

Hope his helps a bit.

Octane

Video Game Repair

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Octane

Expertise

I can answer questions on Arcade or Home Console repair or modification.

Experience

Repair, rewire, modification, rebuild, restore. (I repair numerous business and private arcade/pinball machines in my area of the state. I partner with a shop that stocks older console based systems and games, I am the one that repairs them back to working order.)

Education/Credentials
Have been building, customizing and repairing all types of arcade games since 2004. I have been repairing and modifying video games since the late 80's. (Most of my knowledge is self learnt and following others that have trailblazed in the industry.)

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