Hello! I’ve had my BK for almost 2 years now and have a problem that popped up. When first getting a multiball the lights flash on and off, including all the back box and all other background lighting. Recently instead of flashing the background lights would stay off until after the multiball session was over. Then they stayed off a little longer than the multiball session, then stayed off all the time which is where I am now. All other lights work, just the background lighting stays off. Tried resetting the power and checked fuses to no avail. Then started looking into the boards and schematics and then remembered the previous owner installed a Main/Driver combo board which is the Rottendog MPU327-1. Did some digging on pinside and realized this board has issues with the BK and is no longer supported for the System 7. So, now I realize I may have a bigger problem than a bad component. It seems the preferred MPU/Driver is the Kohout Enterprises System 3-7 Replacement board which runs $425 when it becomes avail again. I prefer to not drop that kind of $$, but if it’ll solve this and other future headaches, it may be worth it. So, I’d like to ask some advice; do I keep troubleshooting the no longer supported Rottendog, do I wait for the Kohout and hurt the wallet, or are there any other options?
Finally, the way it was acting tells me it’s either a software issue or possibly a bad component on the board. I do not think it’s a wiring issue, although I’ll probably check that just to be sure.
I appreciate any ideas, suggestions, etc in advance. Thanks!