Power Amplifier Inoperative
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Has the Radio/Audio System Check been performed? | -- | Go to Step 2 | Go to Radio/Audio System Check |
2 |
Is there battery voltage. | -- | Go to Step 12 | Go to Step 3 |
3 |
Is there battery voltage? | -- | Go to Step 5 | Go to Step 4 |
4 | Locate and repair the open in CKT 640 (BRN) between the IP fuse block and the power amplifier relay connector. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
5 | Connect a J 39200 . Is there continuity? | -- | Go to Step 7 | Go to Step 6 |
6 | Locate and repair the open in CKT 360 (ORN) between the amplifier connector and the amplifier relay connector. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
7 | Connect a J 39200 . Is there continuity? | -- | Go to Step 8 | Go to Step 10 |
8 | Connect a J 39200 . Is there continuity? | -- | Go to Step 11 | Go to Step 9 |
9 | Replace the amplifier relay. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
10 | Locate and repair the open in CKT 150 (BLK) between the amplifier relay and ground. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
11 | Replace the amplifier. Refer to Radio Speaker Amplifier Replacement . Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
12 | Connect a J 39200 . Is there continuity? | -- | Go to Step 11 | Go to Step 13 |
13 | Locate and repair the open in CKT 150 (BLK) between the amplifier connector and G202. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
