To disconnect power from the mains, pull out the mains plug. When installing the product, ensure that the plug is easily accessible.
CAUTIONTo avoid risk of electric shock and fire, and to prevent damage, locate the apparatus as follows:
1Front:
No obstructions and open spacing.
Main unit (rear)
SPECIFICATIONS
PREPARATION
CD PORTABLE SYSTEM
RC-EZ57 English
RC-EZ57B
•Do not block the ventilation openings or holes. (If the ventilation openings or holes are blocked by a newspaper or cloth, etc., the heat may not be able to get out.)
•Do not place any naked flame sources, such as lighted candles, on the apparatus.
•When discarding batteries, environmental problems must be considered and local rules or laws governing the disposal of these batteries must be followed strictly.
•Do not expose this apparatus to rain, moisture, dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.
CAUTION:2 Sides/ Top/ Back:
No obstructions should be placed in the areas shown by the dimensions below.
3Bottom:
Place on the level surface. Maintain an adequate air path for ventilation by placing on a stand with a height of 10 cm or more.
Front view
15 cm
15 cm | 15 cm |
BEFORE PLUGGING IN, do check that your mains (AC) line voltage corresponds with the position of the voltage selector switch provided on the outside of this equipment and, if different, reset the voltage selector switch, to prevent from a damage or risk of fire/electric shock.
Setting the voltage selectorBefore plugging in, select the voltage range for your
| CD player |
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CD capacity: | 1CD |
60 dB | |
Dynamic range: | 60 dB |
| Tuner |
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FM tuning range: | 88 MHz – 108 MHz |
SW tuning range: | 6 MHz – 18 MHz |
MW tuning range: | 530 kHz – 1 600 kHz |
Antennas: | Telescopic antenna for FM/SW |
| Ferrite core antenna for MW |
| Cassette deck |
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Frequency response: | 100 Hz – 8 000 Hz |
Wow & flutter: | 0.35% (WRMS) |
Power cord (supplied)
AC outlet
Battery compartment
•The power can also be supplied through the batteries (see below).
•A small amount of power is always consumed even while on standby.
CAUTION
•Only use JVC power cord provided for this unit to avoid malfunction or damage to the unit. Remove batteries when using the power cord.
•Be sure to unplug the power cord from the outlet when going out or when the unit is not in use for an extended period of time.
Thank you for purchasing a JVC product. Before operation, please read the instructions carefully.
INSTRUCTIONS
Warnings, Cautions and Others
Excessive sound pressure from earphones or headphones can cause hearing loss.
IMPORTANT FOR LASER PRODUCTS1.CLASS 1 LASER PRODUCT
2.CAUTION: Do not open the top cover or cabinet. There are no user serviceable parts inside the unit; leave all servicing to qualified service personnel.
3.CAUTION: Visible and/or invisible class 1M laser radiation when open. Do not view directly with optical instruments.
4.REPRODUCTION OF LABEL: CAUTION LABEL, PLACED INSIDE THE UNIT.
10 cm
Side view
15 cm
15 cm | 15 cm |
10 cm 
area with the voltage selector by using a screwdriver or a similar tool.
Fast wind time: | Approx. 170 sec. |
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| General |
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Speakers: | 10 cm cone x 2 |
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Speaker impedance: | 4 Ω |
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Output power: | 2 W + 2W, 10% THD, 4 Ω |
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Input terminal: | USB: |
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| Playable files: MP3, WMA |
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| Compatible device: Mass storage class | |||
| Bus power supply: DC5V |
| 500 mA | |
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| AUDIO IN: |
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| stereo mini (φ3.5mm) |
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| 500mV/47kΩ |
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Output terminal: | PHONES (φ3.5) x 1 |
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Power supply: | AC 110 V – 127 V/220 V – 240 V | adjustable | ||
| with the voltage selector, 50 Hz/60 Hz | |||
Match the polarities (+ and
Main unit
R20
Battery compartment |
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Remote control | R03 |
• If the range or effectiveness of the remote control decreases, replace both batteries.
CAUTION
To reduce the risk of electrical shocks, fire, etc.:
1.Do not remove screws, covers or cabinet.
2.Do not expose this appliance to rain or moisture.
CAUTION
The TAPE/
OFF switch in any position does not disconnect the mains line.
Disconnect the mains plug to shut the power off completely.
The MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.
EN
©2009 Victor Company of Japan, Limited
CAUTION:
Battery shall not be exposed to excessive heat such as sunshine, fire or the like.
0410YOMMDWMTS
Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
| DC 12 V (R20 |
Power consumption: | 18 W (at operation) |
| 1 W or less (on standby) |
Dimensions: | 407 mm x 147 mm x 254 mm (W/H/D) |
Mass: | Approx. 2.7 kg (without batteries) |
Accessories provided: | Power cord x 1 |
| Remote control x 1 |
| R03 |
AC plug adaptor x 1 (not supplied for
Saudi Arabia)
Design and specifications are subject to change without notice.
NOTE
•The power will not be supplied through the batteries when the power is supplied through the AC IN 
jack on the unit.
•The battery is consumed more quickly than usual when operating the unit continuously or operating it in a cold place.
CAUTION
To avoid battery leakage or explosion, handle batteries properly.
•If you are not going to use this unit for a month or more, remove the batteries from the battery compartment.
•Dispose of batteries in the proper manner, according to federal, state, and local regulations.
•Do not mix with batteries of different types or with new and old ones.
•Do not attempt to charge any batteries other than rechargeable ones.
•Discard leaky batteries immediately. Battery leakage can cause skin burns or other personal injuries.
•If chemicals leak onto the unit, clean the unit completely.
ABOUT DISC/FILE/CASSETTE TAPE
REFERENCES
Discs CDs with one of the marks below on the surface.
Files | Files in audio CD format, MP3 and |
| WMA files on a finalized |
| |
| device can also be played. |
For MP3/WMA playback...
•MP3/WMA discs require a longer readout time than regular CDs. (It depends on the complexity of the folder/file configuration.)
•Some MP3/WMA files cannot be played back and will be skipped. This result from their recording processes and conditions.
•When making MP3/WMA discs, use ISO 9660 Level 1 for the disc format.
•This unit can play back MP3/WMA files with the extension code <.mp3>or <.wma> (regardless of the letter case upper/lower).
•It is recommended to make the files at the following condition:
MP3/WMA files MP3: 128kbps WMA: 96kbps
Sampling frequency MP3/WMA files: 44.1 kHz
•Playback order of MP3/WMA files may be different from the one you have intended while recording. If a folder does not include MP3/WMA files, they are ignored.
•This unit cannot play “packet write” discs.
•If a
•This unit can recognize up to 511 tracks and 255 folders (groups) in a disc and 999 tracks and 255 folders in a USB device. Those exceeding the maximum number cannot be recognized.
•The reflection factor of
•In this manual, “file” and “track” are interchangeably used for MP3/WMA operations.
MP3/WMA folders/tracks configurationThis unit plays back MP3/WMA tracks as follows. The play order in the figure is for MP3/WMA tracks on the disc.
MP3/WMA tracks on USB mass storage class device may be played back differently.
Hierarchy
Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | ||||
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Folder with its play order
MP3/WMA track with its play order
•Always set volume to “VOLUME MIN” when connecting or disconnecting the USB mass storage class device.
•Connect one USB mass storage class device to the unit at a time. Do not use a USB hub.
•This unit cannot recognize a USB mass storage class device whose rating exceeds 5V/500 mA.
•When connecting with a USB cable, use the USB 2.0 cable less than 1 m in length.
•You cannot connect a computer to the USB MEMORY terminal of the unit.
•Electrostatic shock at connecting a USB device may cause abnormal playback of the device. In this case, disconnect the USB device then reset this unit and the USB device.
•USB Memory and DAPs compatible with the USB mass storage class specifications are connectable.
•Some DAPs are not compatible with the unit.
•Copyrighted tracks
•Coded or encrypted tracks in a special method cannot be played on the unit.
•You cannot send any data to your USB mass storage class device from this system.
•You cannot charge the USB mass storage class device while connecting it to the USB MEMORY terminal.
•While playing back a file in a USB mass storage class device, do not disconnect the device. It may cause a malfunction of both the system and the device.
•When connecting a USB mass storage class device, refer also to its manual.
•You can play back MP3/WMA files on a USB mass storage class device (maximum data transfer rate: 2 Mbps).
This unit may not play back some files even through their formats are listed above.
•This unit is compatible with USB 2.0 Full Speed.
•You cannot play back a file larger than 2 Gigabytes.
•When playing a file of a large transfer rate, sounds may be dropped during playback.
•Some USB mass storage class devices may not be recognized or may not work properly.
•JVC bears no responsibility for any loss of data in the USB mass storage class device while using this unit.
*DRM (Digital Rights Management): Any of several technical methods used to control or restrict the use of digital media content on electronic devices with such technologies installed.
Notes on cassette tapes•
•The use of tapes longer than 120 minutes is not recommended, since characteristic deterioration may occur and these tapes easily jam the pinch roller and the capstan.
•To prevent recordings from being erased accidentally, remove the tab(s) with a screwdriver. If you want to
To get the best performance from the unit, keep your discs, tapes and mechanism clean.
Cleaning the unit•Disconnect the power cord before cleaning.
•Wipe off stains with a soft cloth. If the unit is heavily stained, wipe it with a cloth soaked in
•Since the unit may deteriorate in quality, become damaged or get its paint peeled off, be careful about the following:
–DO NOT wipe it with a hard cloth.
–DO NOT wipe it forcefully.
–DO NOT wipe it with thinner or benzine.
–DO NOT apply any volatile substances such as insecticides to it.
–DO NOT allow any rubber or plastic to remain in contact for a long time.
Cleaning the CD pickup lensKeep the CD pickup lens clean, or the sound may be degraded. Use a blower (available at a camera store, etc.) to blow dust off the lens.
Blower
Lens
Cleaning the heads, capstan and pinch rollerClean the heads, capstan and pinch roller every 10 hours of use; otherwise, the following may occur:
•Sound quality is degraded.
•The sound output level decreases.
•The previous recording is not completely erased.
•The sound is not recorded well.
Open the cassette holder and clean the heads, capstan and pinch roller with a cleaning kit (available at an audio store). Do not use thinner or benzine for cleaning.
After cleaning, make sure that the cleaning fluid has dried completely before loading a cassette.
| Head (recording/playback) |
Pinch roller | Erasure head |
|
Capstan
CAUTION
If the head is magnetized, noise will increase and the sound quality will be degraded. To avoid this, demagnetize the recording/playback head every 20 to 30 hours of use with a head demagnetizer (available at an audio store). Turn off the unit before demagnetizing the head.
•Do not demagnetize the erasure head as it is of magnetic type.Handling discs•Remove the disc from its case by holding it at the edge while pressing the center hole lightly.
•Do not scratch or touch the reflective recorded surface.
•Do not stick or write anything on the label side.
•Do not bend discs.
•Avoid exposure to direct sunlight, extreme temperature or moisture.
•When cleaning the disc, wipe it with a soft cloth in a straight line from center to edge. DO NOT use thinner, benzine, record cleaner or antistatic spray.
Handling cassette tapes•Take up the slack of tape by inserting a pencil into one of the reels and rotating. If the tape is played without taking up the slack, it may get stretched, cut or caught in the cassette.
•Be careful not to touch the tape surface.
•Avoid storing tapes in the following places:
–In dusty places
–In direct sunlight or heat
–In moist areas
–On a TV or a speaker
–Near a magnet
If you are having a problem with this unit, check this list for a possible solution before calling for service.
General
Power does not come on.\No power is supplied. Check the power cord connection or battery power.
Playback sound is at a very low level.\When power is supplied with batteries: Batteries are run down. Replace the batteries with new ones.
\The head is dirty. Clean the head.
Unable to operate the unit from the remote control.\The path between the remote control and the remote sensor on the unit is blocked.
\Batteries in the remote control are run down. Replace the batteries with new ones.
No sound is heard.\The volume is set to minimum.
\Headphones are connected. Disconnect the headphones.
Radio OperationsHard to listen to broadcasts because of noise.\Direction of the antenna is inappropriate. Adjust the antenna correctly.
External device operationsThe sound from the external device cannot be heard.\The FUNCTION selector is not set to AUDIO IN. \Check the connection.
\Turn the volume of the external device up.
\The FUNCTION selector is not set to CD/USB. \The disc is placed upside down. Place the disc
with the label side facing up.
\The disc or the lens is dirty. Clean the disc or the lens.
\There is moisture condensation. Turn the unit on and wait a few hours before use.
Tape OperationsNo sound is heard.
\The FUNCTION selector is not set to TAPE/
OFF.
\8 PAUSE is pressed. Press 8 PAUSE again.
¶REC does not function.\The safety tabs of the cassette tape have been broken off. Reseal the slots with adhesive
tape.
\No cassette tape is loaded. Load a cassette tape.
The tape speed is irregular.\The pinch roller or capstan is dirty. Clean the pinch roller or the capstan.
\Batteries in the main unit are run down. Replace the batteries with new ones or supply
the power through the AC IN 
jack.
\It is recommended to make the files according to the proper conditions.
\The tracks are not properly copied into the USB device. Copy tracks again, and try again.