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740Cazur
11
ENGLISH
There is no power
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 player will not read the disc
Check the disc is not loaded upside down.
Check that the disc is not too scratched or dirty.
There is no sound
Ensure that the amplifier is set correctly.
Check that the interconnects are inserted correctly.
The disc is skipping
Check that the disc is not too scratched or dirty.
Ensure the player is on a firm surface and not subject to vibrations.
There is a hum coming from the speaker
Ensure that all cable connections are secure.
The remote handset will not function
Check that the batteries have not expired.
Ensure that nothing is blocking the remote sensor.
Troubleshooting
The 740C features a Control Bus input/output that
allow un-modulated remote control commands
(positive logic, TTL level) to be received electrically
by the unit and looped to another unit if desired.
These control commands are typically generated
by custom installation (multi-room) systems or
remote IR receiver systems. The Control Bus sockets are colour-coded
orange.
An IR Emitter Input is also provided that allows modulated IR remote
control commands to be received electrically by the unit. Commands on
this input operate the unit only and are not looped out demodulated on
the Control Bus Output. This feature is useful for multi-room systems
(such as the Cambridge Audio Incognito multi-room system) which
feature routed I.R. emitter outputs. Instead of using window emitters
stuck over the CD players front panel IR receiver, a mono 3.5mm mini-
jack to 3.5mm mini-jack lead can be used for a more reliable electrical
connection.
In addition the units feature 'direct' IR/Control codes as well as toggle
codes for some of their features to simplify programming custom
installation systems. Special direct On/Off and Mute commands can be
accessed on the supplied remote control for teaching into C.I. systems
as follows:
1. Press and hold the Standby button. The remote first generates it's
standby (toggle) command. Keep the button held down, after 12
seconds a CD player “On” command will be generated. If the button
is kept held down for a further 12 seconds, a CD player “Off”
command is generated.
A full code table for this product is available on the Cambridge Audio
website at
www.cambridge-aaudio.com
.
Custom installation (C.I.) use
IR Emitter
InIn Out
Control Bus
D/A
converters
Dual Wolfson
WM8740 24 bit DACs
Digital
filter
Analog Devices Black Fin
ADSP-BF532 32 bit DSP
Performing ATF
TM
upsampling to 24 bit 384kHz
Analog
filter
2 Pole Dual Differential Bessel
Double Virtual Earth Balanced
Frequency
response
20Hz to 20kHz (+/-0.1dB)
THD
@
1kHz
0dBFs
< 0.0008%
THD
@
1kHz
-110dBFs
< 0.0005%
THD
@
20kHz
0dBFs
< 0.001%
IMD
(19/20kHz)
0dBFs
< 0.0006%
Linearity
@
-990dBFs
+/- 0.5dB
Stopband
rejection
(>24kHz)
> 115dB
S/N
ratio,
A
weighted
> 113dB
Total
correlated
jitter
< 130pS
Crosstalk
@1kHz
< -130dB
Crosstalk
@20kHz
< -110dB
Output
impedance
< 50 ohms
Digital
input
word
widths
supported
16 - 24 bit
Digital
output
word
widths
supported
16, 20, 24 bit
Digital
input
sampling
frequencies
supported
32kHz, 44.1kHz, 48kHz, 88.2kHz,
96kHz, 176.4kHz, 192kHz
Digital
output
sampling
frequencies
supported
32kHz - 192kHz pass through
(Including 44.1kHz for CD)
48kHz, 96kHz, 192kHz upsampled
Audio
output
upsampling
Fixed 24 bit, 384kHz
Dimensions
-
H
x
W
x
D
115 x 430 x 315mm
(4.5 x 16.9 x 12.4”)
Weight
6.4Kg (14.1Lbs)
Technical specifications