Can anybody tell me what mechanism I need to fit this coin door, it’s in a British Arcade Systems cab.

69er

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To fit a microswitch credit mech you need change the door for a coin controls one

You could just fit a standard extra button on the cab with a microswitch direct to 0v and your credit wire on the game board (that’s then freeplay if it’s home use only?)

This door requires a Mars 126 type validator plus an associated mars credit pcb to output pulses to a game board
ALSO THE DOOR MOUNT PLATE APPEARS TO BE MISSING THE TWO ORANGE MECH HOLD/RELEASE CLIPS , which screw on to the clear plastic…

NOTE ! The mech needs to be front entry front reject ( as top entry bottom reject and variants are available) programmed to the coins you desire to use

When fitting these the supply voltage is just one 12v dc +. & one Ground 0v and one output wire to the credit wire in the loom .. (usually pin 16 on component side of a jamma type pcb)

if in doubt which that one is refer to a jamma edge connect diagram or put up a photo of your existing wiring at the game board.
 
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69er

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If you need a description of any of the parts mentioned above just ask and I will put up photos of the parts to clarify it for you .
Mars mechs of MS 111 / 115 / 126 or ME 112 / 115 /126 will all fit as long as they also accept the current uk coins —- front entry front return …

If they have previously been used with a coin separator unit eg on a fruity they probably won’t accept 10p coins unless you leave in the routing plug or link two relevant pins ( but that’s getting technical)

If you can’t find the orange clips I have loads
The metal blade on there is to mount a 12v wedge bulb and socket to illuminate the entry slot . Fed from same 12v source.
 
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TrevorAustin

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To fit a microswitch credit mech you need change the door for a coin controls one

You could just fit a standard extra button on the cab with a microswitch direct to 0v and your credit wire on the game board (that’s then freeplay if it’s home use only?)

This door requires a Mars 126 type validator plus an associated mars credit pcb to output pulses to a game board
ALSO THE DOOR MOUNT PLATE APPEARS TO BE MISSING THE TWO ORANGE MECH HOLD/RELEASE CLIPS , which screw on to the clear plastic…

NOTE ! The mech needs to be front entry front reject ( as top entry bottom reject and variants are available) programmed to the coins you desire to use

When fitting these the supply voltage is just one 12v dc +. & one Ground 0v and one output wire to the credit wire in the loom .. (usually pin 16 on component side of a jamma type pcb)

if in doubt which that one is refer to a jamma edge connect diagram or put up a photo of your existing wiring at the game board.
Absolutely awesome answer thank you. I haven’t got Jamma connections as I got this as an empty cab so have built it with an FPGA mister.

I was hoping that with the right mech I could splice into the coin button I’ve already fitted just to get a momentary close as if the button was triggered, would that be possible do you think? Or would I still need the PCB, etc. and yes I am indeed missing the orange clips.
 

69er

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May be a bit crude here but I hired this to tv station S4C for a reality show contestants to play this Playchoice no need for coins…. Also for works parties etc… it’s just a non stay button fed out temporarily through the return slot … could tide you over with any button microswitch until you get the rest of the machine up and running … this one is only screwed on so it gives appearance the players were inserting coins and to firmly secure the wiring .. but hanging loose would be ok and able to shut the door ….(machine not available to hire at present as it needs monitor repair and I am retired so vanless)
 

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