When in test mode flipper coil test is fine. Does not reset. All pass selenoid test

When playing game just rolling ball around field manually machine does not reset.

Can push Left flipper all day in game mode with no issue. Both flipper function fine in HOLODECK simulations.

As soon as you push the right flipper the system re-boots.

Have checked the diodes on both flippers on the right side ( lower and mid playfiled ) and they seem intact.

Looking for suggestions on where to look next

Thanks

_{Post edited by The_Dude_Abides : Please do not use all caps in thread headers.}

Here is what I have so far based on Pinwiki tests

BR2 test 9.7v
TP2 Test 4.989v
Game rom / watchdog test 4.921

Reseated all connector according to document. Nothing appears fried or scorched

Have to yet test capacitors at C5. ( Ran out of time for the evening )

I will remove the board tomorrow

OK here is the update

I did as Enaud suggested in his notes with the Z connector and it worked. Played about 50 games on it last night.

One thing I don't understand is why it worked. Didn't look loose or anyting like that. What cuases this?

Can you shoot me the link to the Ninja'a fix?