12-26-2011, 02:41 PM
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Join Date: Apr 2005
Location: High Sierras Near Yosemite Nat Park
I doubt you will find a schematic for that one, they are a Basic 1 driving 4 amp.
The heat Led should only light when the heat sink is hot enough to trip the temp sensor ( this should also drop the relay out of transmit until it cools off) mounted inside.
One note of caution:
When removing the pop rivets that hold the cover on be careful not to allow the drill bit to damage the board, and when putting it back together, again, be careful, if the screws you use are too big around or to long, they will short the board to the case.......the mounting tabs are VERY close to traces on the board.
NASA/SOHO When I was a child
I caught a fleeting glimpse
Out of the corner of my eye.
I turned to look but it was gone
I cannot put my finger on it now
The child is grown,
The dream is gone.
but I have become comfortably numb.