KW550 | AMPLIFIER PROBLEMS? |
Basic
Problem | Probable Cause | Remedy |
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No power when POWER button is | Mains power plug is not fully inserted | Plug in securely |
pressed | into rear socket |
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No sound | Mute function is still active | Press the MUTE button on the |
| Wrong connections between input | remote control to cancel |
| sources and the unit | Check audio input lead connections |
| Speakers not connected, or | Check speaker cables |
| incorrectly wired |
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| Devices connected to both AUX1 rear | Remove one of the devices |
| connector and PDI front panel input |
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| simultaneously |
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Sound is not precise, lacking in bass | Speakers are connected out of phase, | Ensure speakers are connected |
and stereo image | i.e., connections to one speaker (+ | correctly |
| and |
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Hum | Audio connector plug not fully | Insert plug securely |
| pushed in |
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Remote control does not work | Amplifier’s POWER switch is set to | Set switch to on |
| off | Insert batteries correctly |
| One or more batteries fitted the wrong | Change batteries for a new set |
| way round | Ensure there is no obstruction |
| Batteries are flat | |
| between the remote control and | |
| Remote control is not pointed directly | amplifier front |
| towards the front panel of the |
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| amplifier |
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Remote control range has greatly | Batteries are running out | Change batteries for a new set. |
reduced |
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If none of these actions affect a cure, please contact your dealer, or an authorised Musical Fidelity service agent. Remember; never open the case of the KW550 yourself, as this will invalidate the guarantee.
Issue 1: August 2006 | Page 12 of 14 |
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