Connections
Transformer
Input Side | Output | Side |
| ||
|
|
Amplifier
|
| Troubleshooting |
Troubleshooting |
| |
Problem | Cause | Solution |
No power | Sound sources or speakers | Check all connections. |
are not properly connected. |
| |
|
| |
| The MASTER VOLUME, | Adjust the volume controls to |
| MIC 1, MIC 2, PHONO/AUX, | desired settings. |
| 100 Hz, 1 kHz, 8 kHz controls |
|
| are set to minimum. |
|
| Sound sources or speakers | Check all connections. |
| are not properly connected. |
|
| A microphone or cable might | Check all microphones and |
| be faulty or loose. | cables. |
No sound | The speaker’s wires might be | Make sure all speakers |
| of the wrong impedance. | connected have the same |
A
8, 2.5W Speaker
ATransformer
Input Side | Output | Side |
| ||
|
|
Transformer
Input Side
A
A
Output | Side |
|
|
| impedance rating. | |
| The speaker’s wires might be | Make sure the speaker’s | |
| too small. | wires are the correct gauge | |
|
| according to their lengths. | |
|
|
| |
| The amplifier might have shut | Turn off the amplifier and let | |
| down. | it cool down. Make sure the | |
|
| amplifier is properly ventilated, | |
|
| and then turn it back on. | |
Feedback | Microphones or speakers are | Reposition the microphones | |
too close together. | and speakers. | ||
|
8, 5W Speaker | 16, 1.25W Speaker |
14 | 15 |
