[Jukebox-list] Magazine Motor not running on Rock-Ola 1438

[Bas Van Dijk]

Hi There,

I'm new to this list. We own a Rock-Ola 1438 since 20 years. It has not 
been running for the past 10 years or so, but I've started restoring. 
Yesterday it worked ok but whenever a record was playing it cancelled the 
selection right at the start of the record. I took out and cleaned the 
relay switches at the tone arm and put them back but now, for some reason, 
the main motor (the one spinning the magazine) does not run anymore. I 
don't see how this is related to what I did, the magazine turned before I 
took out the tone arm relays.

I know the motor is still ok because when I connect it to the connection 
of the gripper arm motor it does spin.

I'm trying to trace back the fault but it is quite a pain (as most of you 
will know I guess...).  My main question is this: the connections to the 
motor are 4 wires. I have a wiring diagram and there 2 connections go to 
the main motor and 2 go to a coil. I'm assuming this is to change the 
direction? I'm not sure. Can somebody tell me what the 4 connections are? 
What voltages should be on the wires for the motor to turn? (and why..)?

Any other suggestions are of course welcome, but an answer to the above 
question would help me a lot.

BTW: I tried moving and cleaning the magazine reversal switch and that 
does not help.

Best wishes,
 Bas



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