Have your configuration worksheet handy when you call.
TROUBLESHOOTING GUIDE (continued)
SYMPTOM | POSSIBLE CAUSES AND TEST PROCEDURE |
Hum from all of the speakers | Hum may be caused by a ground loop between two |
| components in the system. To test for a ground loop, |
| try reversing the AC plugs of each of the components |
| in the system, that have non polarized plugs. |
| Check for faulty cables, faulty source material, an |
| ungrounded phono system, cable TV feed or a defec- |
| tive component. |
|
|
Amp will not turn on | Master power switch must be on. |
| AC power cord must be plugged into a working |
| outlet. |
| Test that the AC power receptacle is working. If the |
| outlet tests O.K., the internal fuses are blown. |
| Return the amplifier to your dealer for service. |
|
|
Sound is distorted on one | BusMatrix DIP switches are not in the correct posi- |
or all of the channels at | tions. Check your configuration worksheet and |
normal volumes | verify all settings. |
|
|
Normal volume cannot be | One of the internal amplifier fuses is blown. |
reached | (Return the amplifier to your dealer for service). |
|
|
Bass sound is weak and the | Check that the bridging switch is "Off". If two adja- |
stereo image is "phasey" | cent channels are connected normally but the bridg- |
sounding in one room | ing switch is set to the "Bridged" position, the two |
| speakers will play out of phase with each other. |
| The loudspeakers are wired out of phase. Reverse |
| the connections at the back of one speaker. |
|
|
A speaker connected to a | Check that the bridging switch is "On". |
bridged pair of amplifier |
|
channels sounds weak |
|
|
|
TROUBLESHOOTING GUIDE
28
