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Sony D-NF420, NF421 Maintenance, Speciﬁcations, Radio, System, CD player, D-Aconversion, Frequency range, Frequency response, • AU2, E19* models, To clean the casing

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Maintenance

To clean the casing

Use a soft cloth slightly moistened in water or a mild detergent solution. Do not use alcohol, benzine or thinner.

Speciﬁcations

CD playerSystem

Compact disc digital audio system

Laser diode properties Material: GaAlAs Wavelength: λ = 770 - 800 nm Emission duration: Continuous

Laser output: Less than 44.6 µW

(This output is the value measured at a distance of 200 mm from the objective lens surface on the optical pick-up block with 7 mm aperture.)

D-A conversion

1-bit quartz time-axis control

Frequency response

20 - 20 000 Hz +1–2dB (measured by JEITA)

Output (at 3 V input level)

	Headphones (stereo minijack)
	Approx. 5 mW + Approx. 5 mW at 16 Ω	Additional
	(Approx. 1.5 mW + Approx. 1.5 mW at 16 Ω)*	Additional
	(Approx. 1.5 mW + Approx. 1.5 mW at 16 Ω)*
	*For the customers in Europe

Radio

Frequency range

	*• CED, CEK, EE9 models**	Information
	FM: 87.5 - 108.0 MHz	Information
	FM: 87.5 - 108.0 MHz
	AM: 531 - 1 602 kHz
	• E19/2,E92, MX2, E/4* models
	9 kHz step:
	FM: 87.5 - 108.0 MHz
	AM: 531 - 1 710 kHz
	10 kHz step:
	FM: 87.5 - 108.0 MHz
	AM: 530 - 1 710 kHz
	*• AU2, E19 models**
	9 kHz step:
	FM: 87.5 - 108.0 MHz
	AM: 531 - 1 602 kHz
	10 kHz step:
	FM: 87.5 - 108.0 MHz
	AM: 530 - 1 710 kHz
		Continued 

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Contents

This warranty is valid only in the United States WARNING Table of Contents Create Your Own ATRAC CDs Install SonicStage on your computer Create an ATRAC CD Listen to them with this CD player Which discs can you play on this CD player Audio CDs: ATRAC CDs: MP3 CDs: CD-Extraand Mix-ModeCDs: Music discs encoded with copyright protection technologies Difference in ﬁle structures of ATRAC CDs and MP3 CDs The usable number of groups and ﬁles Playing order of ATRAC CDs and MP3 CDs Precautions On safety On the CD player On handling CDs On headphones/earphones Checking the Supplied Guide to Parts and Accessories Controls Started Getting Preparing a Power Source (Dry Battery) Source Checking the remaining power of the battery When using the AC power adaptor Playback Playing a CD Basic playback operations (Play, stop, search) Locking the controls Searching for Your Favorite Track/File Searching by viewing groups Searching by viewing a list of groups/ﬁles (List View) Checking CD information on the display To check information on the display Changing Playback Options (PLAY MODE) Options Playback options (PLAY MODE) Playing groups Playing your favorite tracks Playing your favorite play lists Playing tracks in your favorite order (PGM play) Playing tracks repeatedly Changing Sound Quality Selecting the sound quality Customizing sound quality SOUND items Changing Optional Settings Setting various functions OPTION items Page (: Default settings) Using the Radio Listening to the Radio Emphasizing the bass sound If it is hard to hear the FM TV/WB broadcast due to interference from strong If it is hard to hear the FM broadcast due to poor reception Protecting your hearing Turning off the radio automatically When listening to the radio on the battery Presetting Radio Stations Presetting stations manually To change a preset station To cancel a preset station To cancel all preset stations Playing Preset Radio Stations Changing the Tuning Interval (Except European models) Interval Additional Information Troubleshooting Information Additional Radio Others Maintenance Speciﬁcations Optional Accessories Index