12. TABLE FOR PROTECTION CIRCUIT ACTIONS
Symptom | Action | Indicator | Remedy | Reset |
Excessive current flow | Current limiter operates | Peak indicator lights. | Remove overload. | Automatically reset if 4 |
due to overload | when load resistance is |
|
| (STEREO/PARALLEL) or |
| under 2.5 (STEREO/ |
|
| 8 (BTL) load is |
| PARALLEL) or 5 |
|
| connected. |
| (BTL). |
|
|
|
Short circuit (under 0.5 ) | Current limiter operates. | Protection circuit | Check short circuit of | Switch power off, connect |
| Speaker loads cut by | indicator lights. | speakers and lines. | correct load, and switch |
|
|
| power on. | |
| output relay. |
|
|
|
Heat sink temperature rise | Speaker loads cut by | Protection circuit | Check ventilation and | Automatically reset if |
| output relay. | indicator lights. | overload. | temperature drops. |
Unusual DC voltage output | Speaker loads cut by | Protection circuit | Contact your TOA | Switch power off, then |
| output relay. | indicator lights. | dealer. | remove cause. |
13. APPEARANCE AND DIMENSIONS
Unit: mm
11
