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Author Topic: Door Open M - Game King Slant  (Read 7360 times)

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Offline Tilt

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Door Open M - Game King Slant
« on: February 16, 2014, 01:41:55 PM »
Have a constant M Door open on a 3902 Game King Slant. All new optics and switches, have swapped MPU and mother board, and new I/O's. Checked and re checked harnessing. Any idea's?

Skins

« Reply #1 on: June 30, 2010, 09:10:28 AM »


Hi There

Are you sure you checked all the switches.
Cherry switch in top Box
Cherry switch on bottom door
Cherry switch under the coin In assembly
Micro switch that gets triggered by the top latch of the BV door.

Also remove the optics and align them manually.

Ian
« Reply #2 on: June 30, 2010, 09:43:56 AM »


We have replace all with known working, and have lined up the optics. The drop door has the only jumper, OEM part #XXXX. It seems I am missing 5v at the optic harness with the door open.

Skins

« Reply #3 on: June 30, 2010, 09:57:20 AM »


Hi

Sounds like a faulty processor board then - Try a known working processor board in the problem machine to confirm. You may have to keychip it but I assume you have it available.
BTW the door optics dont use the IO cards - signals go to processor board via the backplane.

Ian
« Reply #5 on: July 05, 2010, 07:49:45 AM »


Hello Skins

Was waiting for monitors that were sent away to confirm something. This is a trick that I use on S+ and PE+. Just checked and it works on Game King as well.
Unplug both optics - Now use a piece of wire to and connect the Green optic wire on the door to the Purple optic wire in the cabinet. Basically what you are doing is feeding the output pulses from the processor straight back to the optic input circuit. It also by passes all other switches since these are all in the ground return wire of the optics.  If this clears the M door problem you will have to chase the break in the harness.

Ian
 
« Reply #6 on: November 29, 2011, 11:30:36 AM »


hello I have the door open m problem in two slamtop gameking and try the solution and connect the two with an optical cable as my previous post it worked once and then gave the same problem even with the cables connected thanks for the response

jaimercp20

« Reply #7 on: November 29, 2011, 09:22:23 PM »



ah the joys of an IGT slant top with a door M open problem. banghead Pull Hair banghead  many techs, myself included, have spent hours kicking the crap out of machines over this issue. Scratch Head

you can isolate the harness, door optics and switches by jumping them at the motherboard.  should be J11, pins 1(purple) and 5(green), top left and bottom left pins in the molex connector.  bend a paperclip into a U and push an end into each of those two pins on J11 and check your screen for door status.  if it's still open then the harnessing/optics/switches are not your problem; if it reads door M closure then you know that the problem is one of the switches or optics or an open wire. hide4

if this machine is anywhere but in a casino i would highly recommend bypassing the door optics, they can be a serious pain in the ass.  i've considered performing this bypass on a few machines on my casino floor to rid myself of the door M open message but i still like my job so i can't do it here.  hissy fit

also make sure you have checked/jumped all of the switches during troubleshooting, we've all overlooked a top door or the switch under the coin tray before.  Pull Hair

kforeman

« Reply #9 on: December 12, 2011, 04:46:37 PM »


I want to thank not know yet how karma system works but if I can give I give to kforeman,because I finally ran the gameking bypassing directly to the motherboard J11

jaimercp20


 
 

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Re: Door Open M - Game King Slant
« Reply #1 on: March 26, 2023, 05:49:43 PM »
I bought two boards that the battery leaked and the door bypass switch was installed on the MPU does anyone know the value of the transistor? I can just make out the location. That would be helpful also.

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Re: Door Open M - Game King Slant
« Reply #2 on: March 26, 2023, 06:07:47 PM »
What transistor are you talking about?  I see a blob of hot glue over some wires and what looks to be a resistor of some type.

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Re: Door Open M - Game King Slant
« Reply #3 on: March 27, 2023, 03:57:21 AM »
Yes that's the one i was wondering if anyone knows how to do this . I have a board that the varta battery leaked and from what Im reading there is a trace under the battery that goes bad not seeing the door closed. This bypasses the door optics. I could probably save this board if i knew the value of the transistor and wiring pattern.  Also this is not a slant king but should be the same . The board that Ive bought had this done to them.

Offline Stayouttadabunker

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Re: Door Open M - Game King Slant
« Reply #4 on: March 27, 2023, 05:47:03 AM »
Dow Corning DS-2025 Silicone Cleaning Solvent is the only thing I know that dissolves silicone sealant safely.
Once removed, I'm sure you can un-solder the resistor and check the ohms of it with a multimeter?
Remember, the more you tell us - the better we can help you!

Consider becoming a regular contributing member, which helps pay costs to keep this site up and running so you can keep your machine up and running :)

Offline Tilt

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Re: Door Open M - Game King Slant
« Reply #5 on: March 27, 2023, 08:11:15 AM »
Have you tried contacting the person you bought the board from, maybe they did the mod?

 

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