
Troubleshooting
Before taking your unit in for repairs, check the operation one more time. Should the problem persists, consult your nearest dealer.
Launch the supplied
clear up the problem, consult the following troubleshooting guide for a possible solution to the problem.
Symptom | Cause/Remedy |
The
•Power cord is disconnected.
t Insert the power cord firmly into the AC IN connector and wall outlet.
No sound is output. | • The input level controls are fully turned down. |
| t Rotate the controls to turn up the input level. |
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| • The MASTER control is fully turned down. |
| t Rotate the control to turn up the master volume. |
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| • ROUTING settings are incorrect. |
| t Use the |
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| • The SYSTEM TYPE selector setting is incorrect. |
| t Make correct settings. |
No microphone sound is output. | • The TRIM controls are fully turned down. |
tRotate the controls to turn up the input level.
Sound is distorted. | • The audio input signal level is too high. |
tRotate the input level controls to turn down the input level.
No video comes out. | • Video input signal settings are incorrect. |
| t Correct the video input signal setting. |
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| • The PROJECTOR PROTOCOL selector setting is incorrect. |
| t Make correct settings. |
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The | • The cable connection does not match the specifications of the |
devices connected to the PROJECTOR CONTROL |
|
• The parameter settings for the | |
the | |
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The PROTECTION indicator lights up. | • DC voltage has flowed to the SPEAKERS |
| t Turn off the power. |
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|
| • The internal temperature of the |
| following: |
| − The impedance of the connected speakers is too low. |
| t Turn off the power and connect the |
| impedance. |
| − The ventilation holes (on the right and left sides of the |
| dust. |
| t Clean the ventilation holes by removing the dust with a vacuum cleaner. |
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| • A pair of speaker terminals has shorted (SPEAKERS |
| t Turn off the power and remove the cause of the short circuit. |
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Troubleshooting 35