NAD 118 Owner's Manual

Also see for 118: Specifications

Contents

NAD 118 Owner's Manual Manual pdf 19 page image

NA D19GBTROUBLE SHOOTINGIn the unlikely event you should encounter problems with the opertion of the NAD Model 118 preamplifier, the troubleshooting guide can help find the cause and rectify it before consulting your dealer.SYMPTOM CAUSE REMEDYUnit doesn't work; Mains plug not connected Check if mains plug is inserted in live wall socket.power LED (1) doesn't light up to live wall socketPower LED (1) is lit but no sound. Wrong input selected Select input to which source is connectedSource not connected to input Check connection from source to appropriate inputTape Check 1 or 2 (8 or 13) Press the Tape Check button in which the LED is litselected (amber LED in button to dis-engageis lit) without signal present.Volume control (22) turned Turn Volume control up to appropriate leveldownPower amp not turned on Turn on power amplifierPower amp not connected Connect power amp.Despite Volume control turned Input sensitivity for analogue Adjust input sensitivity for appropriate analogueway up only a little bit of sound source has been set too low sourceHigh Gain (21) hasn't been Switch High Gain onengagedPower amp and speaker Set Sensitivity switch to "Normal" positioncombination too insensitive;Sensitivity switch (16 on backpanel) set to "High" positionNo sound in one channel Faulty connection from source Check connection between source and pre-amp(with analogue sources only) to input(All digital and analogue sources) Faulty connection from Check connection between pre-amp and power ampanalogue pre-amp output topower amplifier inputFaulty connection between Check connection between power amp andpower amp and loudspeaker loudspeakerBalance set to one channel Check setting of balance controlonlyNo sound with digital source; Faulty connection from Check connection between source and pre-amp.LED in input button blinks source to inputWrong type of cable Use cable with 75 ohm impedanceRemote control, Buttons and The pre-amp has "locked Switch off pre-amp completely; switch on again aftercontrols have stopped working up" due to static electricity. several seconds.Remote control does not work Distance from remote control Operate remote control from closer distance (withinor intermittently. to pre-amp is too large 8mtr/ 25ft.)Angle of operation to pre-amp Operate remote control within a narrower angleis too large to the pre-amp (within 90 from front panel)Batteries flat Replace batteriesBatteries have been inserted Insert batteries correctlythe wrong wayLine-of-sight from remote Ensure that the IR. emitter at the front of the remotecontrol IR. emitter to pre-amp's control has a clear line-of-sight to the IR. receiverbuilt-in IR. receiver is blocked (located in the display panel; 26) of the pre-ampAll input selector LEDs are flashing The pre-amp has inadvertent- DO NOT press any of the input selector buttons,ly been set in configuration as this may change the configuration. Press any ofmode. the other buttons on the front panel (apart from HighGain) to resume normal operation.