Power Amplifier
| Terminal No. | Contents | Measuring condition | Standard |
|---|---|---|---|
| (R315) No. 1 ↔ Chassis ground | +B | Always | Battery voltage |
| (R315) No. 2 | - | - | v |
| (R315) No. 3 ↔ Chassis ground | GND | Always | 0 V |
| (R315) No. 4 | FR+ | - | - |
| (R315) No. 5 | FL+ | - | - |
| (R315) No. 6 | WF1+ | - | - |
| (R315) No. 7 | WF2+ | - | - |
| (R315) No. 8 | RR+ | - | - |
| (R315) No. 9 | RL+ | - | |
| (R315) No. 10 | TWR+ | - | - |
| (R315) No. 11 | TWL+ | - | - |
| (R315) No. 12 | SR+ | - | - |
| (R315) No. 13 | SL+ | - | - |
| (R315) No. 14 | CTR+ | - | - |
| (R315) No. 15 | - | - | - |
| (R315) No. 16 | +B2 | Always | Battery voltage |
| (R315) No. 17 | - | - | v |
| (R315) No. 18 | GND2 | Always | 0 V |
| (R315) No. 19 | FR- | - | - |
| (R315) No. 20 | FL- | - | - |
| (R315) No. 21 | WF1- | - | - |
| (R315) No. 22 | WF2- | - | - |
| (R315) No. 23 | RR- | - | - |
| (R315) No. 24 | RL- | - | - |
| (R315) No. 25 | TWR- | - | - |
| (R315) No. 26 | TWL- | - | - |
| (R315) No. 27 | SR- | - | - |
| (R315) No. 28 | SL- | - | - |
| (R315) No. 29 | CTR- | - | - |
| (R315) No. 30 | - | - | - |
| (R316) No. 1 | MUTE | - | - |
| (R316) No. 2 | L- | - | - |
| (R316) No. 3 | L+ | - | - |
| (R316) No. 4 | R- | - | - |
| (R316) No. 5 | R+ | - | - |
| (R316) No. 6 | SLD | - | - |
| (R316) No. 7 | TX- | - | - |
| (R316) No. 8 | TX+ | - | - |
| (R316) No. 9 | - | - | - |
| (R316) No. 10 | - | - | - |
| (R316) No. 11 | - | - | - |
| (R316) No. 12 | ACC | ACC ON | 11 - 15 V |
| (R316) No. 13 | - | - | |
| (R316) No. 14 | 111 | - | - |
| (R316) No. 15 | - | - | |
| (R316) No. 16 | - | - | - |
| (R316) No. 17 | - | - | - |
| (R316) No. 18 | SLD2 | - | - |
| (R316) No. 19 | - | - | - |
| (R316) No. 20 | - | - | - |
| (R316) No. 21 | - | - | - |
| (R316) No. 22 | - | - | - |
| (R316) No. 23 | - | - | - |
| (R316) No. 24 | - | - | - |