[Jukebox-list] Rock-ola Mystic 478 "Music cycle end problem"

dirksenj at bellsouth.net dirksenj at bellsouth.net
Sun Feb 3 14:53:41 PST 2008


I'm more familiar with the earlier machines. On the earlier machines, the 
reverse relay must be pulled in for the gripper to return records back to 
the magazine. I'm going to assume the clear button you are pressing is 
energizing the reversing relay, which would eliminate that as the problem. 
Is this so? Watch the relay as you press the button and see if it pulls in. 
I would check microswitch #1 to make sure it is switching, as I believe that 
switch is in series with the reversing relay. The service manual gives good 
sequence diagrams which are much simpler to follow than trying to decipher 
the complete wiring diagram. Look at the "music ends cycle" (usually the 
next to last sequence diagram) and it will tell you where to look. Good 
luck,

Jim
----- Original Message ----- 
From: "Mike Diven" <mcdiven at mchsi.com>
To: <jukebox-list at lists.netlojix.com>
Sent: Monday, January 28, 2008 11:20 AM
Subject: [Jukebox-list] Rock-ola Mystic 478 "Music cycle end problem"


Hi, I am new to this list and I am looking for some help on my Rock-ola 
Mystic 478.
The problem is when the record is done playing it never goes and picks up 
the record. It just thinks its still playing. I checked the tone arm switch 
with a fluke meter and it seems to be working but I don,t know if it would 
be the reverse relay or not. If you press the clear button on the logic brd. 
it picks up the record and returns it like it should. I do have the service 
manual and a parts manual. Any ideas. I would appreciate it. I bought the 
juke a couple weeks ago. Its good and clean. Everything else seems to work.
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