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I recently picked up a Battlezone.

Nothing on the screen. Failed self test indicating some bad chips - so i sent it off to have it repaired.

Here's what's been done:

1. Replaced big blue.
2. Tested all fuses on power supply and within the monitor cage. Continuity tested good on all.
3. Had both boards and the ARII board professionally serviced. Lots of work was done. Boards all tested good and were test run for 3+ hours.
4. When I re-installed the boards, nothing. Even the self test will not run. All I get is one audible "blip".

Other symptoms:
1. LED's on both boards are lit.
2. Marquee and coin door lit.
3. Monitor: I do have neck glow, but it's faint. Spotkiller LED comes on briefly during power up but stays off.

I can't figure out what's wrong or where to go from here given all the work that's been done thus far.

Any suggestions?
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