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CQ-DF302W
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CQ-DF302W
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Maintenance
Specifications
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❐ General
Power supply: 12 V DC (11 Vj16 V),
test voltage 14.4 V,
negative ground
Current consumption: Less than 2.2 A
(CD play mode;
0.5 Wa4 channels)
Maximum power output: 45 Wa4 channels at
400 Hz, Volume control
maximum
Power output: 22 Wa4 channels at
400 Hz (DIN 45 324,
at 4 ≠)
Tone adjustment range:
Bass: n12 dB at 100 Hz
Treble: n12 dB at 10 kHz
Suitable speaker impedance: 4j8 ≠
Pre-Amp output voltage: 2.0 V (CD play mode;
1 kHz, 0 dB)
Subwoofer output voltage: 2.0 V
Output impedance: 200 ≠
Dimensions (WaHaD): 178a50a150 mm
Weight: 1.5 kg
❐ FM Stereo Radio
Frequency range: 87.5 MHzj108.0 MHz
Usable sensitivity: 11.0 dBf.
(1.25
¨V,
75 ≠)
50 dB quieting sensitivity: 15.2 dBf.
(1.6
¨V,
75 ≠)
Frequency response: 30 Hzj15 kHz
(n3 dB)
Alternate channel selectivity: 75 dB
Stereo separation: 42 dB (1 kHz)
Image response ratio: 75 dB
IF response ratio: 100 dB
Signal/noise ratio: 70 dB
❐ AM Radio
Frequency range: 531 kHzj1 602 kHz
Usable sensitivity: 28 dB/¨V
(25
¨V,
S/N 20 dB)
❐ CD Player
Sampling frequency: 32 times oversampling
DA converter: MASH • 1 bit/
4 DACsystem
Error correction system: Panasonic super
decoding algorithm
Pick-up type: Astigma 3-beam
Light source: Semiconductor laser
Wave length: 780 nm
Frequency response: 20 Hzj20 kHz (n1 dB)
Signal/noise ratio: 96 dB
Total harmonic distortion: 0.01 % (1 kHz)
Wow and flutter: Below measurable limits
Channel separation: 75 dB
Note:
≥Specifications and the design are subject to modification without notice due to improvements in technology.
Maintenance
Your product is designed and manufactured to ensure a minimum of maintenance. Use a soft cloth for routine
exterior cleaning. Never use benzine, thinner or other solvents.
Product Servicing
If the suggestions in the charts do not solve the problem, we recommend that you take it to your nearest au-
thorized Panasonic Servicenter. The product should be serviced only by a qualified technician.
Replacing the Fuse
Use fuses of the same specified rating (15 A). Using different substitutes or fuses with higher ratings, or con-
necting the unit directly without a fuse, could cause fire or damage to the stereo unit.
If the replacement fuse fails, contact your nearest Panasonic Servicenter for service.
❐ Cleaning this Unit
Use a dry, soft cloth to wipe.
❐ Caution on Cleaning
Never use solvents such as benzine, thinner as they
may mar the surface of the unit.
Label side
<Right> <Wrong>
Rough edges
Do not use irregular shaped discs.
Notes on CD/CD Media (CD-R, CD-RW)
Care of the Unit
How to hold the disc
≥ Do not touch the underside of the disc.
≥ Do not scratch on the disc.
≥ Do not bend disc.
≥ When not in use, keep the disc in the case.
Do not use irregular shaped discs.
Do not leave discs on the following places:
≥ Direct sunlight
≥ Near car heaters
≥ Dirty, dusty and damp areas
≥ Seats and dashboards
Disc cleaning
Use a dry, soft cloth to wipe from the center outward.
Caution on new discs
A new disc may have rough edges on its inner and outer
perimeter. These may cause malfunction.
Remove the rough edges using a pencil, etc.
Do not attach any seals or labels to your discs.
Do not write on the disc label in a heavy pen or ball-
point pen stroke.
Do not play any ordinary music CDs with labels
other than this one.
Notes on CD-Rs/RWs
≥ You may have trouble playing back some CD-R/RW discs recorded on CD recorders (CD-R/RW drives), ei-
ther due to their recording characteristics or dirt, fingerprints, scratches, etc. on the disc surface.
≥ CD-R/RW discs are less resistant to high temperatures and high humidity than ordinary music CDs. Leaving
them inside a car for extended periods may damage them and make playback impossible.
≥ The unit may not successfully play back a CD-R/RW that was made by the combination of writing software, a
CD recorder (CD-R/RW drive) and a disc if they are incompatible one another.
≥ This player cannot play the CD-R/RW discs if the session is not closed.
≥ This player cannot play the CD-R/RW discs which contains other than CD-DA data.
≥ Be sure to observe the instructions of CD-R/RW disc for handling it.