Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 |
Is the reading greater than specified? | 0.15ohms | Go to Step 10 | Go to Step 2 |
2 |
Does the J 39200 DMM indicate intermittent continuity? | -- | Go to Step 10 | Go to Step 3 |
3 | Inspect the coax cable. Is the coax cable type RG-58 or RG-59? | -- | Go to Step 4 | Go to Step 5 |
4 | Is the measured resistance less than the specified value? | 0.2ohms | Go to Step 6 | Go to Step 8 |
5 | For RG-62 or RG-62M, does the measured resistance approximately equal the specified value? | Less than 3.5ohms | Go to Step 6 | Go to Step 8 |
6 | While observing the J 39200 DMM, wiggle the antenna coax. Does the meter indicate intermittent continuity? | -- | Go to Step 7 | Go to Step 9 |
7 |
Is the repair complete? | -- | -- | |
8 |
Is the repair complete? | -- | -- | |
9 |
Does the test lamp light? | -- | Go to Step 12 | Go to Step 11 |
10 | Inspect the cable interconnects for a poor connection or corrosion. Are all connections clean, tight and free of corrosion? | -- | Go to Step 11 | Go to Step 15 |
11 | Replace the radio antenna module. Is the repair complete? | -- | -- | |
12 | Using a test lamp, backprobe between the radio antenna module harness connector terminal A and ground. Does the test lamp light? | -- | Go to Step 13 | Go to Step 14 |
13 | Repair poor connection or open in CKT 351. Is the repair complete? | -- | -- | |
14 | Repair poor connection or open in CKT 145. Is the repair complete? | -- | -- | |
15 | Replace the coaxial cable circuit as necessary. Refer to Antenna Extension Cable Replacement Rear Window Antenna (U77) for service procedure. Is the repair complete? | -- | -- |