Meridian America 541 - Manual (Page 62)

Troubleshooting and maintenance
56
No lights are displayed when
switching on
❍ Check that your AC power supply is connected correctly.
❍ Check that the ON OFF switch on the rear panel
is in the ON position.
❍ Check that the fuse on the control unit rear panel and the fuse
in the unit’s power plug have not blown; see To change the
mains fuse, page 58.
There is hum on the LP input
The LP input is the most sensitive input on the surround
controller.
❍ Check that the tone arm is connected to the technical ground
of the surround controller.
❍ Check that the tone arm is connected to the power ground in
the turntable.
❍ If you are using a magnetic pickup, check that there is not
another piece of equipment too near to the turntable or the
left-hand side of the control unit. If so, re-position the
equipment to cure the problem.
There is hum on other inputs
❍ Check your other equipment.
❍ Consult your dealer.
There is interference on the radio and/
or television when the surround
controller is switched on
Before following the steps below, ensure all units are switched
off.
If this equipment does cause or suffer from interference to/from
radio or television reception then the following measures should
be tried:
❍ Reorient the receiving aerial (or antenna) or route the antenna
cable of the receiver as far as possible from the surround
controller and its cabling.
❍ Ensure that the receiver uses well-screened antenna cable.
❍ Relocate the receiver with respect to the control unit.
❍ Connect the receiver and this product to different AC outlets.
Troubleshooting