I have a Rowe mm6 that I recently purchased. The coin op and credits have been bypassed and it always played the 45's just fine except the side selector would only play A sides. I turned it off and used some electronics cleaner on a rag to clean the side toggle pins and inspected the mechanical side of the side selector relay. Upon restart, it will select the proper record, set it on the turntable and the tone arm will move to the record for about 2-4 seconds. NO audio is heard during that time, at which the tone arm returns and the record is put back in to the carousel. It doesn't matter which selection I pick, it appears the needle is contacting the record. I adjusted the downward screw on the tone arm 1/8 turn to make sure it was touching the record. I moved it back after verifying it was indeed contacting the record. I just bought a copy of the manual and went through the troubleshooting chart, not sure it follows any of the listed "problems." Anybody have a suggestion on where to start the troubleshooting? Most likely parts to diagnose?