Sony CDX-R450 Mode D'emploi page 16

Fuse replacement
When replacing the fuse, be
sure to use one matching the
amperage rating stated on the
original fuse. If the fuse blows,
check the power connection and
replace the fuse. If the fuse
blows again after replacement,
there may be an internal
malfunction. In such a case,
consult your nearest Sony
dealer.
Cleaning the connectors
The unit may not function properly if the connectors
between the unit and the front panel are not clean. In
order to prevent this, detach the front panel (page 4)
and clean the connectors with a cotton swab dipped
in alcohol. Do not apply too much force. Otherwise,
the connectors may be damaged.
Main unit
Notes
• For safety, turn off the ignition before cleaning the
connectors, and remove the key from the ignition
switch.
• Never touch the connectors directly with your fingers
or with any metal device.
Removing the unit
1
Remove the protection collar.
1 Detach the front panel (page 4).
2 Engage the release keys together with the
protection collar.
16
Fuse (10A)
Back of the front
panel
Orient the release
keys as shown.
3 Pull out the release keys to remove the
protection collar.
2
Remove the unit.
1 Insert both release keys simultaneously
until they click.
2 Pull the release keys to unseat the unit.
3 Slide the unit out of the mounting.
Specifications
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and flutter: Below measurable limit
Tuner section
FM
Tuning range: 87.5 – 108.0 MHz
Aerial terminal: External aerial connector
Intermediate frequency: 10.7 MHz/450 kHz
Usable sensitivity: 9 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz: 0.5 % (stereo),
0.3 % (mono)
Separation: 35 dB at 1 kHz
Frequency response: 30 – 15,000 Hz
Hook facing
inwards.