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Rowe / AMI CD-100C jukebox problem

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satelliteman:
My son-in-law has a Rowe/AMI CD-100C jukebox.  The last few times he's used it a problem develops after the machine has been on approximately 20 minutes.  After it's warmed up, selection buttons 4, 8, & 0 do not respond when pressed.  When machine is first turned on, they work fine.  The remainder of the buttons work fine, even after machine is warm.  Songs can be selected & played, as long as buttons 4,8 & 0 are not in the selected song.  Son-in-law says he has disconnected & re-connected wire harnesses with no results.  Where do we go next?

buybestslots:
computer board maybe bad on back wall  sometimes they go  thur small  display  board  depending on model  , we sell a lot of rowe cd  boxes and parts are starting to get hard to find

videorepair:
Be sure to check the back of the computer board for cracks along the plug headers.  Rowe CD's computers are notorious for this.  They put a sheet of foam behind the pcb to help with this but by now yours is probably turning to dust.  If the juke has been stored in a damp environment you may need to clean up the connectors with a good contact cleaner with lube/rust control.  That's all the connectors, everywhere.  The connectors on the mechanism harness are the worst since they get the most vibration.  I have replaced all the header pins and all the pins in the plugs (shells) on some units.  In Texas we get a lot of corrosion issues due to the temperature change between day and night... condensation in your garage. 

buybestslots:
 :agreepost: :I_agree_1:
--- Quote from: videorepair on February 24, 2015, 03:40:47 PM ---Be sure to check the back of the computer board for cracks along the plug headers.  Rowe CD's computers are notorious for this.  They put a sheet of foam behind the pcb to help with this but by now yours is probably turning to dust.  If the juke has been stored in a damp environment you may need to clean up the connectors with a good contact cleaner with lube/rust control.  That's all the connectors, everywhere.  The connectors on the mechanism harness are the worst since they get the most vibration.  I have replaced all the header pins and all the pins in the plugs (shells) on some units.  In Texas we get a lot of corrosion issues due to the temperature change between day and night... condensation in your garage.

--- End quote ---

Denny:
Here is a thought !  I have attached pictures of my AMI 100C.  First open door and look behind touch pad and you will see a printed circuit board (see picture 4)  There is also a plug to the right side in the photo.  I always do 2 things. 1 ... Use CRC electronic cleaner (spray lightly on circuit board and brush all connections with SOFT toothbrush, dab off any excess and allow to dry.  (Usually dries almost immediately)  2 ...  Pull plug on right side, spray with cleaner and push it in and out a few times to make sure it seats properly.  You may have to repeat this a few hours later.  This usually clears the problem for me, however if it does not you have to check on a "dead" or 'Cold" solder at your # 4. 8, & 0.  Unfortunately, that is a trial and error method so be sure to try the electronic cleaner first.  I think I may have some parts around so let me know if you are successful.
Denny

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