TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 PHONE EXTENSION BOX A14 POST(S) INOPERATIVE (M1068A3 ONLY)—Continued 0114 00 3Y 1. Remove cable W32 plug P107 (1) from jack J138 (2) on Patch Panel Box A10. 2. Measure resistance between socket A of plug P7 (3) and pin A of plug P107 (1). Repeat for socket/pins B through a. 3. Does multimeter read 0 ohms for each measurement? YES NO 3YN 1. Replace cable W32 (WP 0848 00). 2. Verify no faults found. 4Y 1. Replace Signal Patch Panel Box A10 (WP 0816 00). 2. Verify no faults found. 0114 00-5/6 blank