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Puzzle for you experienced guys - customer support at a distance

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jimmer:


I sent a Defender fightstick to a friend, got him going on MAME over the phone. All good.

The fightstick uses the KADE AVR.
Up and down are default up arrow and down arrow.

He says that sometimes in game ship won't move down, other controls work so he ends up stuck at the top of the screen. He can hear the switches clicking both up and down. It's a zippyy stick with micros.

The only things I can think of so far are:

bad spade connections to the microswitch
bad connection into the keyboard encoder
bad microswitch
bad earth daisy chain (need to check if down is end of the line, I didn't complete the loop)

Anything else?

He's gonna try shaking it next time it happens.



Sarver Systems:

Bad connector on the board end?

harveybirdman:

Doea it move down with greater pressure?  Or is it truly interrmintant?

Sarver Systems:

Does it occur for only 1 game, or all games?

paigeoliver:

If it is not always happening then it is probably a bad microswitch. My most recent multiwilliams had a switch go bad like that on a brand new joystick as well (oddly enough it was also the down switch and it first showed up while playing defender). Sometimes it would work, sometimes it wouldn't. Swapped out the switch and poof the problem was gone.

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