JRC JMA-932B-SA User Manual page 379

Magnetron Replacement Procedure for Transmitter-Receiver Unit NTG-3230
(1) Loosen the four screws and remove the
cover.
The screws are slotted captive screws.
Use a flat-blade screwdriver.
(2) Remove the screws (six M4 screws) and
slide the modulator cover to the right to
remove it.
8.5 Replacement of Major Parts
Loosen the four screws.
Modulator cover
Loosen the six screws.
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