19-07-2009, 06:50 PM
Hello
I recently called to a repair on a liftmaster system - i had diagrams etc for the sub 300 and a cb11 control board - on arrival i discovered it was a chamberlain board but could not find a nodel number. Connections to cells etc are on plug in connectors along the bottom.Radio card plugs in on the right hand side there are five adjustment pots in a vertical line beside the radio card and a "test" button.
Does anybody know what model it is - i cant find anything anywhere ?
Cheers
I recently called to a repair on a liftmaster system - i had diagrams etc for the sub 300 and a cb11 control board - on arrival i discovered it was a chamberlain board but could not find a nodel number. Connections to cells etc are on plug in connectors along the bottom.Radio card plugs in on the right hand side there are five adjustment pots in a vertical line beside the radio card and a "test" button.
Does anybody know what model it is - i cant find anything anywhere ?
Cheers