f. Test procedure 22. When checking the MT-1029 J24 pin J to J22 pin
D, zero ohms is indicated, the J-3513 or CX-4723 is bad.
The next test point (TP4 of Figure 48) is to check CX-4723 pin D
If your multimeter indicates infinity, the CX-4723 is bad and
should be repaired or replaced.
If your multimeter indicates zero, the J-3513 is bad.
COMSEC support maintenance.
Remote power circuit test points.