Sony CDX-C90 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
19 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than
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L 13942296513
1 % total harmonic distortion.
Other specifications
CD player section
System Compact disc digital audio
system
Signal-to-noise ratio 108 dB
Frequency response 5 - 20,000 Hz (±1 dB)
Wow and flutter Below measurable limit
Laser Diode Properties
Material GaAlAs
Wavelength 780 nm
Emission Duration Continuous
Less than 44.6 µW*
Laser output power
* This output is the value measured at a distance of
200 mm from the objective lens surface on the Optical
Pick-up Block.
Tuner section
FM
Tuning range FM tuning interval:
50 kHz/200 kHz switchable
87.5 - 108.0 MHz
(at 50 kHz step)
87.5 - 107.9 MHz
(at 200 kHz step)
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz
Usable sensitivity 8 dBf
Selectivity 75 dB at 400 kHz
50 dB at 200 kHz
Signal-to-noise ratio 65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.3% (stereo),
0.3% (mono)
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Separation 35 dB at 1 kHz
Frequency response 20 - 15,000 Hz (±0.5 dB)
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MICROFILM
http://www.xiaoyu163.com
SPECIFICATIONS
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CDX-C90
8
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Q Q
3 6 7 1 3
AM
Tuning range
Antenna terminal
Intermediate frequency 10.71 MHz/450 kHz
Sensitivity
General
Outputs
Tone controls
Power requirements
FM/AM COMPACT DISC PLAYER
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– 1 –
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
AM tuning interval:
9 kHz/10 kHz switchable
531 - 1,602 kHz
(at 9 kHz step)
530 - 1,710 kHz
(at 10 kHz step)
External antenna connector
30 dBµV
Digital output
Line outputs (3)
Power antenna relay
control lead
Power amplifier control
lead
Telephone ATT control
lead
Illumination control lead
Bass ±8 dB at 100 Hz
Treble ±8 dB at 10 kHz
12 V DC car battery
(negative ground)
– Continued on next page –
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9 9
US Model
E Model
CDX-C680/C780
MG-363S-121
KSS-520A
2 8 9 9