This opener is probably in the neighborhood of fifteen years old.

"Spamfree" wrote in message
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"Silver Surfer" wrote in message
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Need a schematic for the printed circuit board in my Craftsman garage
door opener. Did lots of Googling. Found nothing. Learned that The
Chamberlain Group makes the openers for Sears. Contacted them and asked
for a schematic. They said the board is proprietary, and they won't even
sell parts for it. Only complete boards for sale.

Can anybody out there point me toward a schematic?


How old is the unit? I have a couple schematics - but - I think they're
for "much" older units. On the other side of the coin - nothing like
"customer service" - but then again "job security"........ take your pick!