I picked up a non-working Gorgar through craigslist about 5 years ago.
I worked on it quite a bit and got it running when I first got it. The restoration/repairs took a back seat to some life events after about a year into it. I recently got the bug again and I'm looking for help to properly troubleshoot and get this machine back to 100%.
For reference, I'm running a rottendog MPU and an X-pin power supply, both purchased new. I have reseated all connectors, but haven’t replaced any yet.
The game currently plays OK start to finish, except for these switches (with switch matrix numbers):
-'4' stand up target (33)
-right out lane (34)
-'E' rollover (35)
-Right kicker (36)
-all jet bumpers pop but do not score points (37, 38, 39)
-stand up targets behind both drop target banks (22, 40)
-Magnet switch works but intermittently sticks for several seconds before releasing the ball (23)
The switch matrix diagram shows the affected switches fall on:
column 5 green-black (33-40)
row 6 white-blue (22)
row 7 white-violet (23)
switch test shows '08' in ball in play display. Will not cycle through any switches and skips to test 4.
During solenoid test,
-14 credit knocker
-16 coin lockout
-21 right kicker
Do not respond.
Upon further inspection, 14 and 16 both have cut wires and the coils look fried. Right kicker seems to have a broken diode, and has a different type of coil (sg-23 850 dc) than the left side (a2-23 750 dc).
I’m guessing it’s the one that currently works, but which is the correct coil to use for the kickers? Also, would 14 and 16 be related to the switch issue?
During test 3,
Shows '08' in ball in play display. Will not cycle through any switches and skips to 'test' 4. What is causing this?
I’m building a parts list and clearly there are coils needing replacement, and I’m sure switches as well. But I’m sure there might be something I’m missing. Any help is greatly appreciated.