540C/640C Compact disc player
11
There iis nno ppower
Ensure the AC power cord is connected securely.
Ensure the plug is fully inserted into the wall socket and is switched on.
Check fuse in the mains plug or adaptor.
The pplayer wwill nnot rread tthe ddisc
Check the disc is not loaded upside down.
Check that the disc is not too scratched or dirty.
There iis nno ssound
Ensure that the amplifier is set correctly.
Check that the interconnects are inserted correctly.
The ddisc iis sskipping
Check that the disc is not too scratched or dirty.
Ensure the player is on a firm surface and not subject to vibrations.
There iis aa hhum ccoming ffrom tthe sspeaker
Ensure that all cable connections are secure.
The rremote hhandset wwill nnot ffunction
Check that the batteries have not expired.
Ensure that nothing is blocking the remote sensor.
TROUBLESHOOTING SPECIFICATIONS
540C 640C
D/A CConverter
Wolfson Wolfson
WM8716 WM8740
24-Bit/192kHz 24-Bit/192kHz
Capable Capable
Freq rresponse ((-00.5dB)
10Hz to 20kHz 10Hz to 20kHz
THD
< -88dB < -92dB
Dynamic RRange
> 95dB > 105dB
Channel SSeparation
> 70dB > 75dB
Jitter ((correlated)
< 300pS < 260pS
Digital OOutputs
Opt and Coax Opt and Coax
Dimensions ((mm) ((H xx WW xx DD)
70 x 430 x 310 70 x 430 x 310
Weight ((kg)
4.6 4.6
