Midway (Burgertime) Coin Door Lights

Phetishboy

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I have new bulbs and no light. I am metering the tabs on the socket and getting 0V. Everything is hooked up, could there be a failed component on the power supply board? Should these be running on 12V or 5V?
 
I don't know if Burgertime uses the same ones, but the coin door bulbs in my Gaplus cabinet are those 12V automotive bayonette style. In fact, when I was replacing some burned out bulbs on the taillights in my car, I compared them and they were identical!
 
The schematics show the coin door light voltage exiting the power supply board at connector J1 pins 3 (positive) and 11 (ground). Check for cracked header pins here.

This voltage is unregulated. Check for 10-16VDC across the resistor R132 (150 ohm 2watt) on the power supply board (meter's black lead at one side of the resistor...red lead at the other side). Could also be a bad diodes that form the bridge....D113, D114, D115, D116.....Check these for shorts or opens....and cold solder joints. The only thing left is the input header. AC enters the power supply board at connector J2 pins 8 and 12. Check these for cracks/cold solder. You should also check these two pins for 10-16VAC....this verifies the transformer is working.

Edward
 
The schematics show the coin door light voltage exiting the power supply board at connector J1 pins 3 (positive) and 11 (ground). Check for cracked header pins here.

This voltage is unregulated. Check for 10-16VDC across the resistor R132 (150 ohm 2watt) on the power supply board (meter's black lead at one side of the resistor...red lead at the other side). Could also be a bad diodes that form the bridge....D113, D114, D115, D116.....Check these for shorts or opens....and cold solder joints. The only thing left is the input header. AC enters the power supply board at connector J2 pins 8 and 12. Check these for cracks/cold solder. You should also check these two pins for 10-16VAC....this verifies the transformer is working.

Edward

Thanks Ed, that gives me a nice clear path to troubleshoot this issue. That explains why the voltages were all over the place on the coin actuators, slam switch wire and the coin counter, all measuring between 10 and 16 V. I thought the coin switches ran on 5V? But when I unplugged the coin harness connector, and metered the pins inside the housing, I was only getting 4-5V no matter which pin I tested. Weird. One other stupid question. Does the MCR power supply board for BT have a battery that needs to be replaced? I just replaced the one in my Satan's Hollow, is it the same MCR board?
 
A BurgerTime power supply and a MCR power supply look nothing a like. Gaplus, I'm not for sure.....I've never been inside one of those. According to the manual, Gaplus uses a 90412 power supply.......which is the same as a MCR supply.

Edward
 
A BurgerTime power supply and a MCR power supply look nothing a like. Gaplus, I'm not for sure.....I've never been inside one of those. According to the manual, Gaplus uses a 90412 power supply.......which is the same as a MCR supply.

Well, that may be true...I have no Burgertime cab and have never seen the inside of one...I was just providing an example of a non-MCR game with an MCR power supply (since he said his had one) :)
 
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