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Where can I find the schematic diagram of the eye sensor on my garage door opener?

I have a garage door opener model number 139.53636SR. The eye sensors on my garage door opener are bad. I need to know where I can find a schematic diagram of the part number 41A4373A. I’m an electrician and I need to repair the part.

Garage Door Openers , Garage Organization & Shelving
1 Answer from this member:
Manage My Life
by Manage My Life
October 9th, 2008
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