Jwin JX CD680 User Manual

PLEASE READ THE INSTRUCTION CAREFULLY BEFORE OPERATING THIS UNIT.  
WARNING  
To prevent fire or shock hazard, do not expose this appliance to rain or moisture.  
IMPORTANT  
Since the CD circuitry may cause interference to other radio tuners nearby, switch this unit off  
when not in use or move it away from the affected radio tuner.  
This device complies with Part 15 of the FCC Rules, operation is subject to the following two  
conditions: (1) This device may not cause harmful interference, and (2) this device must accept  
any interference received, including interference that may cause undesirable operation.  
Compact Disc Player  
with Anti-Shock System  
NOTE : This equipment has been tested and found to comply within the limits for a Class B  
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide  
reasonable protection against harmful interference in a residential installation. This equipment  
generates, uses and can radiate radio frequency energy and, if not installed and used in accord-  
ance with the instruction, may cause harmful interference to radio communications. However,  
there is no guarantee that interference will not occur in a particular installation. If this equipment  
does cause harmful interference to radio or television reception, which can be determined by  
tuning the equipment off and on, the user is encouraged to try to correct the interference by one  
or more of the following measures:  
JX-CD680  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is  
connected.  
Consult the dealer or an experienced radio / TV technician for help.  
SAFETY CERTIFICATION  
This Compact Disc Player is made and tested to meet safety standards of the FCC, require-  
ments and compliance with safety performance of the U.S. Department of Health and Human  
Services, and also with FDA Radiation Performance Standards 21 CFR Subchapter J.  
DANGER  
LASER SAFETY  
This unit employs an optical laser beam system in the CD mechanism, designed with  
built -in safeguards. Do not attempt to disassemble, refer to qualified service personnel.  
Exposure to this invisible laser light beam may be harmful to the human eye.  
INVISIBLE LASER RADIATION  
WHEN OPEN AND INTER-  
LOCK FAILED OR DEFEATED.  
THIS IS A CLASS-1 LASER PRODUCT. USE OF CONTROLS, OR ADJUSTMENTS  
OR PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN, MAY RESULT IN  
AVOID DIRECT EXPOSURE HAZARDOUS LASER LIGHT BEAM EXPOSURE.  
TO LASER BEAM.  
SAFETY PRECAUTIONS  
1. Do not open the cabinet. Refer servicing to qualified personnel only.  
2. Do not expose to excessive heat, direct sunlight, dust, moisture, vibration or shock.  
3. Use ONLY the AC adaptor provide, others may damage your unit. Disconnect from the wall  
outlet when the set is not to be used for an extended period of time.  
4. When cleaning your unit, use a soft dry cloth, do not use solvents or commercially available  
cleaners as they may damage or discolor the finish.  
5. Do not wear headphones while operating a motor vehicle, this could create a traffic hazard  
and is illegal in many areas.  
6. The headphones supplies with your unit provide super stereo listening while allowing you to  
hear outside sounds when listening at normally low volume levels. Listening at extremely  
high volume levels minimizes the intrusion of outside noise/sounds.  
7. If you notice that the sound has become weak or distorted, this is an indication that your  
batteries are low. Replace with new or recharged (see "BATTERY OPERATION")  
INSTRUCTION MANUAL  
1
CHARGING AND USE OF RECHARGEABLE BATTERIES  
LISTENING WITH HEADPHONES  
Rechargeable Battery Operation  
Connect the plug of the stereo headphones into  
the PHONES (GREEN) socket.  
This unit can fully recharge specified rechargeable batteries, in approximately 15  
hours. The rechargeable batteries (NOT supplied) should be recharged before  
they are used for the first time if they are low in power or they have not been used  
for a long period (over 60 days).  
TO PHONES  
Caution: Avoid excessive volume levels and  
listening to sound for a long period of time when  
using headphones.  
1. Open the battery compartment cover and  
insert two of the recommended recharge-  
able batteries, matching polarity. (1.2V  
650mA)  
Adjust Volume to the desired level.  
BOTH BATTERIES MUST BE OF RE-  
CHARGEABLE NICKEL-CADMIUM TYPE,  
OTHERWISE THE BATTERIES MAY EX-  
PLODE OR LEAK.  
HANDLING COMPACT DISCS  
This unit is designed to play only compact disc bearing the identification logo below.  
Other disc may not conform to the CD standard and may not play properly.  
INSERT WITH  
THE LABEL  
FACING UP.  
PRESS THE CLAWS  
AT THE CENTER OF  
THE DISC CASE.  
• Dirty, scratched or warped disc may cause  
skipping or noise.  
• Handle the disc only by the edges. To keep  
clean, do not touch its surface.  
• Discs should be stored in their cases after use  
to avoid serious scratches.  
Use the type of rechargeable battery  
with negative side exposed area.  
PRESS THE  
DISC GENTLY  
TO INSERT IT.  
LIFT OUT WITHOUT  
TOUCHING THE  
RECORDED SURFACE.  
• Do not expose disc to direct sunlight, high  
humidity, high temperatures or dust etc. Pro-  
longed exposure to extreme temperatures can  
warp the disc.  
• Do not stick or write anything on either side of  
disc. Sharp writing instruments, or the inks  
used in some felttip pens, may damage its  
surface.  
2. Connect the supplied AC adaptor's plug to  
the DC input jack and corresponding end  
to an AC household outlet.  
USE ONLY THE AC ADAPTOR SUPPLIED  
WITH THE SET FOR CHARGING.  
Note : Charge light will illuminate.  
INCORRECT  
CORRECT  
INCORRECT  
FROM THE CENTER TO THE EDGE  
3. After 15 hours, please unplug the AC adaptor.  
DO NOT CHARGE CONTINUOUSLY FOR 24 HOURS OR MORE. DOING SO  
CAN CAUSE THE PERFORMANCE OF THE RECHARGEABLE BATTERY TO  
DETERIORATE.  
Remove the disc  
Hold the edge and gently press the centre pivot  
as illustrated, to pick up the disc.  
CAUTION:  
Wait for the disc to stop rotating before pressing  
the OPEN button.  
Note: This unit can play 3" (8cm) single CD's  
without an adaptor. Do not use a CD single  
adaptor for these discs.  
4. If the operating time decreases drastically even when the rechargeable nickel-  
cadmium batteries are properly recharged, purchase a new set of rechargeable  
nickel-cadmium batteries.  
5. When charging for the first time or after a long time, playing time may be reduced.  
In this case, charge and discharge the batteries several times.  
4
5
CLEANING DISCS  
LCD DISPLAY INFORMATION  
• Finger prints should be carefully wiped from  
the surface of disc with a soft cloth. Unlike  
conventional records, compact discs have no  
grooves to collect dust and microscopic debris,  
so gently wiping them with a soft cloth should  
remove most particles. Wipe in a straight  
motion from the center to the edge.  
• Never use thinner, benzine, record cleaner or  
anti-static spray on a compact disc. Such  
chemicals can damage its plastic surface.  
WHEN POWER ON  
If disc is in, starts auto adjustment. During  
adjustment, display shows - -.  
If no disc, then disc is displayed.  
Put the disc and close the lid, then starts auto  
adjustment again.  
If the lid is opened, display shows OPEN.  
Closing the lid starts auto adjustment.  
BASIC DISC PLAY  
This CD-player can play Audio Discs such as CD-Recordables and CD-Rewritables.  
Do not try to play a CD-ROM, CDi, VCD, DVD or computer CD.  
1. Connect the headphones to the PHONES (GREEN) socket.  
2. Press the OPEN button to open the CD compartment lid.  
3. Adjust the VOLUME to minimum.  
4. Insert the disc with the label side facing up.  
5. Close the lid securely until a click is heard.  
6. Press the PLAY button to start playing.  
If can't read TOC then Er is displayed.  
Note: TOC means Table Of Contents.  
When TOC data has been read, display shows TOC  
1 second.  
Starts play from track No. 1 automatically.  
ANTI-SHOCK starts flashing.  
BASS BOOST  
To Emphasize the bass sound  
Set the BASS BOOST switch to the ON position.  
Note: The bass boost performance will be dependant on the  
VOLUME control setting.  
ON  
OFF  
ON  
TO PLAY FROM STOP CONDITION  
Press PLAY/PAUSE button,  
then display changes to 01 00:00 and starts play.  
HOLD Switch  
This switch prevents accidental selection of an unwanted  
function during Playback or Stop mode. In the HOLD "ON"  
position, no function button on the unit can operated  
(except OPEN). Moving the switch to the "OFF" position,  
the unit returns to normal operation.  
HOLD  
When the memory full condition,  
OFF  
ANTI-SHOCK stops flashing.  
TO STOP  
Turning Power on and off  
Press STOP key, then stops play and TOC is displayed.  
This unit has no ON/OFF switch. To turn on and off, press the following buttons.  
To turn on: Press >II PLAY/PAUSE (playback starts).  
To turn off: Press STOP button once to standby mode.  
TO PAUSE  
If press STOP button twice, it will be turn off the power immediately.  
Press PLAY/PAUSE button, then pause on/off  
alternately. On pause condition, time display is  
flashing.  
Auto power-off function  
When the unit is stopped (standby mode) for approximately 30 seconds, the power  
is automatically turned off.  
6
7
REPEAT/PLAY MODES  
INTRO PLAY  
Every time the MODE button is pressed.  
1. Press MODE button three times, then INT is  
The corresponding mode appears in the display window.  
displayed.  
2. Press PLAY / PAUSE button, and starts INTRO play  
from track no. 01.  
MODE  
MODE  
MODE  
MODE  
3. Select INTRO mode during play, INT starts flash.  
Press PLAY/PAUSE button, then stops flash and  
starts INTRO play from track no. 01.  
Press >>I or after finish to play the current track,  
stops flash and starts INTRO play from next  
track.  
REPEAT  
REPEAT  
ALL  
NORMAL  
INTRO  
1
Press I<<, then stops flash and starts INTRO  
play from current track.  
PROGRAM PLAY  
RANDOM  
This allows selected tracks on the disc to be played in any desired order.  
During playback  
To set the program play  
Shown on the LCD display. The  
current track on the disc will be  
repeated.  
Programmes can be set in the STOP mode or normal play mode.  
X 1  
MODE  
1. Press the PROG button, then PRG and starts flash.  
2. Press I<< or >>I to select the desired track.  
3. When desired track is displayed, press PROG button  
to register. Then track No. display change to 00  
again.  
4. Repeat step 2 and 3 to program the order of more  
tracks up to 20 tracks can be programmed into  
memory.  
During playback  
Shown on the LCD display. All  
tracks on the disc will be re-  
peated  
X 2  
MODE  
NOTE: In normal mode none of the above symbols show in the display.  
To complete programming and start play  
Press PLAY/PAUSE button, then PRG stops flash and  
starts play soon.  
NORMAL PLAYBACK  
To clear programming  
Press ANTI-SHOCK key, then  
disappear.  
Register 00 on the first program track.  
Open the door.  
Power Off  
A
indicator appears on the display when the  
batteries need to be changed.  
8
9
RANDOM PLAY  
MAINTENANCE  
Enables all the tracks on a disc to be played in a Random (Shuffle) sequence.  
Cleaning the Cabinet  
Wipe with a soft cloth. If the cabinet is very dirty, dampen the cloth with a weak  
solution of neutral detergent and water, and then wipe clean.  
1. Press MODE button four times, then RND is  
displayed.  
Cleaning the Lens  
2. Press PLAY/PAUSE button, then the track No. is  
selected at random and starts play.  
A dirty lens will cause sound skipping and, if the lens is very dirty, the CD may not  
work. Open the disc cover and clean the lens as below.  
• Dust or Dry Particles  
Using a camera lens brush/blower, blow on the lens couple times, then wipe it  
lightly with the brush to remove dust. Then, blow on the lens once more.  
• Fingerprints  
3. Select RANDOM mode during play, RND starts  
flash.  
Press PLAY/PAUSE button or I<< or >>I, stops  
flash and starts RANDOM play.  
If the lens cannot be cleaned by using a brush/blower, use a dry cotton swab  
starting in the middle and working to the outside edge.  
After finish to play the current track, stops flash  
and starts RANDOM play.  
SKIP AND SEARCH FUNCTION  
Locating a Particular track  
To go back to the beginning of the cur- Press I<< lightly and repeatedly.  
rent or a previous track  
To go to the beginning of following Press >>I lightly and repeatedly.  
tracks  
Locating a Particular Point in a track  
To search backwards at high speed  
To search forward at high speed  
Keep I<< depressed  
Keep >>I depressed  
Low level audio will be heard during the search process to assist in locating the  
correct point in the track.  
10  
11  
USING ANTI-SHOCK AND SKIP FREE PROTECTION FEATURE  
PRODUCT SPECIFICATIONS  
PICK UP  
System  
Note the "  
activated. It immediately begins to store sound data in memory bank, the indicator  
appears to be " " when the data buffer is full.  
" indicator appears on display as being empty when the player first  
Compact disc digital audio system  
Material : GaAlAs  
Laser diode  
Properties  
Wavelength: Ü = 780nm  
When the laser loses tracking due to mechanical shock, the data stream into the  
memory is interrupted but the data output from the memory buffer continues, so  
the sound is not interrupted. As the data is read from the memory, the indicator  
Emission duration : continuous  
Laser output: < 44.6µW  
changes from "  
" to "  
".  
Error correction  
Cross-interleave Reed-solomon code  
Once the laser locks again on the CD track, the data stream is fed to the memory  
and joined to the previous data (see indicator changes) at higher speed, this provides  
higher level shock protection than the traditional one.  
AUDIO  
D/A conversion  
Frequency response  
Wow and filter  
DAC four times oversampling  
20-20,000Hz (+1/-3 dB)  
Below measurable limits  
2 Channel (stereo)  
CAUTION  
If the unit is subject to excessive and continuous repeated shocks than expected,  
it will cause sound skip. Also note the "  
" indicator will appear empty.  
No. of channels  
Output level  
Headphones : 20mW (32N)  
+8 dB  
NOTES  
Bass boost effect (100Hz)  
When the "ANTI-SHOCK" is operating, the battery consumption is higher  
because the disc rotates faster than normal and also the memory circuitry is  
activated.  
When the digital anti-skip function is switched "ON" or "OFF", the sound will be  
interrupted, and it is normal.  
GENERAL  
Power requirements  
- 2 x LR6 "AA" alkaline battery  
Remember that condition such as dirty, scratched or warped discs may cause  
skipping or noise thereby affecting performance of "ANTI-SHOCK" system.  
- DC in 6V jack accepts AC power adaptor  
(centre positive)  
Power consumption  
Dimension  
0.8W (DC 3V) under normal condition  
Approx. 128 (W) x 28.5 (H) x 137 (D) mm  
Approx. 200g not including battery  
Weight  
12  
13  

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