720 bds

gabesdad1981

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Hi,
I tested 2 sets of 720 bd sets that I just bought in my paperboy cab..They both came up a grey screen with no sound.. both bds leds lit up when powered up.. Besides sending them both in for repair what should i do next??

Also i have a complete top and bottom bd for 720..what is this worth???? would help with repair cost on my other bd.....
 
Have you checked the voltages and checked out your wire harness(they are usually burnt up a bit)?

Do you have the audio board, I forget the model number, that is mounted under the control panel?
 
i installed the bds in my paperboy cab, did not hook up audio,,is it necessary to get video working??? paperboy bds were working in same cab, im sure voltages are ok.
 
720 needs the audio 2 board to work. it supplies the +14/+15 volts to the game boards.

i might be interested in the working set if you want to get rid of them, send me a pm.
 
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