JRC JMA-5206 Instruction Manual page 333

8.4 Replacement of Major Parts
Replacement of Diode Limiter (A102/A303)
Remove the 4 screws fixing the receiver. Remove the 4 screws fixing the diode and the limiter, and remove
diode limiter. When mounting the diode limiter, take care of the mounting direction and mount it in the arrow
direction facing it the receiver front end.
Connect the wiring in the same way as before the replacement.
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