Panasonic C7401U, CQ-C8401U, C7301U, C8301U Maintenance Specifications, CDPlayer, Media, Cd-R

Notes on Discs

CD-RW)	If you use commercial CDs, they must have
	either of these labels shown at right.
	Some copy-protected music CDs are not		TEXT
	playable.
CD-R,	How to hold the disc
	¡ Do not touch the underside of the disc.
(CD-ROM,	¡ Do not scratch on the disc.		Printed side
	¡ Do not bend the disc.
	¡ When not in use, keep disc in the case.
	Do not use irregularly shaped discs.
	Do not leave discs in the following places:
Media
	¡ In direct sunlight
	¡ Near car heaters
	¡ Dirty, dusty and damp areas
CD/CD		Do not use irregularly shaped discs.
	¡ On seats and dashboards
	Disc cleaning
on	Use a dry, soft cloth to wipe from the center outward.
	Do not attach any seals or labels to your discs. <Correct>		<Wrong>
Notes
	Do not write on the disc label with a ballpoint
	pen or other hard-point pens.
	¡ You may have trouble playing back some CD-R/RW discs recorded on CD recorders (CD-R/RW drives), either due
	to their recording characteristics or dirt, fingerprints, scratches, etc. on the disc surface.
Noteson Rs/RWs-CD	¡ CD-R/RW discs are less resistant to high temperatures and high humidity than ordinary music CDs. Leaving them
	¡ This player cannot play the CD-R/RW discs which contains other than CD-DA or MP3/WMA data.
	inside a car for extended periods may damage and make playback impossible.
	¡ Some CD-R/RWs can not be played back successfully thanks to incompatibility among writing software, a CD
	recorder (CD-R/RW drive) and the discs.
	¡ This player cannot play the CD-R/RW discs if the session is not closed.
	¡ Be sure to observe the instructions of CD-R/RW disc for handling it.

Maintenance

Specifications

	Power Supply	DC 12 V (11 V - 16 V), Test Voltage 14.4 V, Negative Ground
	Tone Controls (Bass/Treble)	Bass; ±12 dB at 60 Hz, Treble; ±12 dB at 16 kHz
	Equalizer Center Frequency	60, 160, 400, 1 k, 3 k, 6 k, 16 k (Hz)	English
General	Variable Range of Equalizer	-12 dB to 12 dB (2 dB step)
	Current Consumption	Less than 2.2 A (CD mode, 0.5 W 4-Speaker)
	Maximum Power Output	60 W x 4 (at 1 kHz) (CQ-C8401U),
		50 W x 4 (at 1 kHz) (CQ-C8301U/C7401U/C7301U)
	Speaker Impedance	4 - 8 Ω
	Pre-amp output voltage	5 V (CQ-C8401U/C8301U/C7401U), 2.5 V (CQ-C7301U) (CD mode, 1 kHz, 0 dB)
	Subwoofer-output voltage	5 V (CQ-C8401U/C8301U/C7401U), 2.5 V (CQ-C7301U) (CD mode, 1 kHz, 0 dB)
	Pre-amp output impedance	60 Ω (CQ-C8401U/C8301U/C7401U), 200 Ω (CQ-C7301U)
	Subwoofer-output impedance	60 Ω (CQ-C8401U/C8301U/C7401U), 200 Ω (CQ-C7301U)
	Dimensions (Main Unit)	178(W) x 50(H) x 155(D) mm {7” x 1 15/16 ”x 6 1/8”}
	Weight (Main Unit)	1.6 kg {3 lbs. 8 oz}
CDPlayer			Maintenance,Specifications
		10.2 dBf. (0.9 µV, 75Ω)
	Usable Sensitivity
	Sampling Frequency	8 times oversampling
	DA Converter	4 DAC System
	Pick-Up Type	Astigma 3-beam
	Light Source	Semiconductor laser
	Wavelength	790 nm
	Frequency Response	20 Hz - 20 kHz (±1 dB)
	Signal to Noise Ratio	96 dB
	Total Harmonic Distortion	0.01 % (1 kHz)
	Wow and Flutter	Below measurable limits
	Channel Separation	75 dB
	FM
	Frequency Range	87.9 MHz - 107.9 MHz
StereoRadio			onNotesdiscs,
	AM	15.2 dBf. (1.6 µV, 75Ω)
	50 dB quieting Sensitivity
	Frequency Response	30 Hz - 15 kHz (±3 dB)
	Alternate channel selectivity	75 dB
	Stereo Separation	35 dB (at 1 kHz)
	Image response ratio	75 dB
	IF response ratio	100 dB
	Signal to noise ratio	62 dB
	Frequency Range	530 kHz - 1 710 kHz
	Usable Sensitivity	27 dB/µV (S/N 20 dB)

Cleaning the	Your product is designed and manufactured to ensure the minimum of maintenance. Use a soft cloth for
	routine exterior cleaning. Never use benzine, thinner, or other solvents.
	Unit

If the fuse blows out, consult your dealer, or your nearest authorized Panasonic Servicenter.

Fuse	Warning
	¡Use fuses of the same specified rating (15 A). Using substitutes or fuses with higher ratings, or connecting the
	unit directly without a fuse could cause fire or damage to the unit. If the replaced fuse fails, contact your
	nearest authorized Panasonic Servicenter.

Power Output:

24 W RMS x 4 Channels at 4 Ω and ≤ 1% THD+N (for CQ-C8401U)

17 W RMS x 4 Channels at 4 Ω and ≤ 1% THD+N (for CQ-C8301U/C7401U/C7301U) Signal to Noise Ratio:

78 dBA (reference: 1 W into 4 Ω) (for CQ-C8401U/C8301U/C7401U) 87 dBA (reference: 1 W into 4 Ω) (for CQ-C7301U)

Above Specifications comply with EIA standards.

Notes:

¡Specifications and design are subject to modification without notice due to improvements.

¡Some figures and illustrations in this manual may be different from your product.

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