![](/images/new-backgrounds/1036607/3660723x1.webp)
PROBLEMS?
Basic
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| Probable Cause |
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| Remedy |
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No power | when | POWER | Mains power plug is not fully inserted into rear | Plug in securely. | |||
button is pressed. |
| socket. |
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No sound |
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| Mute function is still active. |
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| Press the MUTE button on the remote control to cancel. | |
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| Wrong connections between input sources and | Check audio input lead connections. | |||
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| the unit |
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| Check speaker cables. |
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| Speakers not connected, or incorrectly wired | ||||
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Sound cut |
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| Loose connection |
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| Check speaker and input connections. |
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| Output overload or short circuit |
| Switch unit off. Check speaker connections for shorting | ||
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| strands or wires. When all has been |
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| reduce volume and switch unit back on. |
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| N.B. Take great care when |
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| speaker bass and treble linking straps are removed; see |
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| speaker manual for more information. |
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Sound is | not | precise, | Speakers are connected out of phase, i.e., | Ensure speakers are connected with same polarity at | |||
lacking in bass and stereo | connections | to | one | speaker | amplifier and speaker ends. | ||
image. |
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Hum. |
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| Audio connector plug not fully pushed in | Insert plug securely. | |||
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| Cable Fault |
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| Check cable is connected at both ends. |
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| Unsuitable |
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| cable | N.B. Some esoteric cables have internal wiring |
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| (e.g. cable grounds not connected) |
| intentionally disconnected/modified. For best results on | ||
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| all inputs analogue AND digital, please use good quality |
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| screened coax; signal and screens both separately |
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| connected at both ends. |
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No audio output, or too | Incorrect or missing connections |
| Check connections and make sure they are secure. | ||||
low level output. |
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No audio output from USB | USB Cable not connected |
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| Check connections and make sure they are secure. | |||
input |
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| USB Driver not selected (PC or MAC) |
| See P.9 PC users or Mac users section | ||
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Not detected when | USB Cable faulty |
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| Check and replace cable | ||
connected to USB |
| USB not working/enabled on computer |
| Check USB port functions with another device. | |||
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| Correct USB drivers not installed |
| Please check with the computer manufacturer. Enquire | ||
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| (can happen particularly with factory- |
| about USB driver or update. | ||
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| preinstalled Windows operating systems) |
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Dropouts in sound (USB | Shared USB port with another device |
input) | Computer busy with another application |
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| Computer low on resources |
Avoid sharing the USB port with other devices, if possible.
At times an application (program) may intervene, sometimes invisibly e.g. a virus scanner. When this happens, computer resources are temporarily used up, and playback may falter. This is not a fault. Try running fewer applications if possible.
Remote control does not | Amplifier’s POWER switch is set to off. | Set switch to on. |
work. | One or more batteries fitted the wrong way | Insert batteries correctly. |
| round. | Change batteries for a new set. |
| Batteries are flat. | |
| Ensure there is no obstruction between the remote | |
| Remote control is not pointed directly towards | control and amplifier front. |
| the front panel of the amplifier. | Lighting such as fluorescent, incandescent, or even |
| Interference from another source. | sunlight contains large amounts of infra red radiation. |
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| Ensure such sources are not shining directly on the infra |
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| red window as this could swamp the signal from the |
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| remote control. |
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| Also check the system and any other nearby remotes for |
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| stuck buttons. |
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Remote control range has | Batteries are running out | Change batteries for a new set. |
greatly reduced |
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If none of these actions affect a cure, please contact the dealer, or an authorised Musical Fidelity service agent. Remember; never open
the case of the M6i, as this will invalidate the guarantee.
Issue 4 |
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| Page 12 of 14 | |||
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