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Secure L1 to the bottom side of the board using one of the 4-40 nylon screws, nylon washer,
and nylon nut, as shown below. Tighten enough to secure and protect the toroid, but do not over
tighten.
[ ]
Solder L2 where indicated on the PCB, and centered on the screw hole. You will notice the tap
hole is indicated, and is slightly larger in diameter to accept the double twisted wire. Install the
toroid flush with the backside of the board.
hardware the same as shown above.
[ ]
Install the BNC connector flush with the
pins and two electrical connections. Attach the rubber bumper as shown.
Do not elevate it off the board.
"BACK"
side of the board, and solder the two locating
5
8
Page
of
Secure it the nylon
efhw_tuner_assy_090110.pdf
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