Hi Meteor crew, hoping someone can suggest what I'm missing. I thought I'd be able to get this done before Allentown but I don't think I'm going to make it. I bought this game as a project with a blown mpu and have never played the game before hand so I don't know how the drops behave. I installed a new weebly board mpu and a set of new J5 connectors from the mpu and the sb300 sound board. I re did the 3 connectors on the rectifier board and installed the proper fuses. I recrimped the 4 connectors at the mpu and the J3 and J4 connectors on the sdb.
The game boots up and plays but there's no sound and only the flippers work properly. The rest of the coils don't fire when the proper switches are engaged even though the 1 amp slow blow fuse is good under the playfield. I can fire the coils by grounding the resistor's tabs on the sdb and they all fire in coil test. I noticed strange behavior with Column ST1 which has the #3, 3 bank drop targets on the right, the 1 and 3 bumpers, the pop bumper and the slings. The drops scored fine when dropped and didn't engage anything else but when I engaged the rt sling the meteor targets reset, left sling drops the letter O, pop bumper drops R, advance 1 bumper drops T, and the advance 3 bumper fires the right sling. None of the switches that enacted other coils scored points.
While checking the columns I noticed that all other columns switches were wired the same way with the column wire on the top lug, the row wire on the side lug attached with the unbanded side of the diode and the banded side of the diode is on the back lug. The column that I have in question had the 1st 3 switches of the drop target bank wired the same way with the column wire attached to the top lug shared across all 3 switches and their respective row wires on the side lugs. The rest of the switches in the column had the order reversed with the column wire on the side lug and the row wire on the top. I switched the 2 wires on the slings, the bumpers and the pop bumper to match the wiring configuration from the 3 drop target bank. Now all ghost firings are gone and the bumpers, pop bumper and slings all score when hit but the thumper and the slings don't fire their coils when engaged. I checked the switch test and receive a "0" indicating ther are no stuck switches. The one thing I forgot to mention is the 2N3584 transistor that regulates the high voltage is shot because I get a 230V reading at the rectifier board. Could that be hampering my coils from firing correctly? I'm running out for a birthday dinner but will be back in 1.5 hrs, hopefully I can at least fix the coils and then maybe I'll bring her to the show and see if I can fix the sound on Thursday. Thanks in advance for your time.
Li, NY
