d. Test procedure 49.
You must remember, the CX-13062/U is still
disconnected from the KY-57 AUDIO jack.
To check for a short in the CX-
4723, J-3513/U or CX-13062/U.
Remove the RT from the MT-1029 and disconnect the CX-13062/U from
J1 J-3513/U (Figure 79).
Remeasure continuity between pins C and A on J35 (TP1).
If the meter indicates infinite, the CX-13062/U is bad.
If the meter still indicates zero ohms, disconnect the CX-4723/U
from J7 J-3513 (TP2).
If the meter indicates infinite ohms, the CX-4723 cable is bad.
If the meter indicates zero ohms, the J-3513 is bad.
RT keying continuous keying (lower loop).