SPECIFICATIONS
GENERAL
Supply Voltage DC 12V. Negative Ground
Current Consumption Max.7A
Power Output 4 X 7Watts.
Number of channels 2 STEREO channels.
Unit Dimensions 178[W] X 154[D] X 50[H] mm.
FM SECTION
Frequency range 88MHz -108MHz
Effective sensitivity 10uV.
I.F Frequency 10.7MHz.
AM(MW) SECTION
Frequency range 530KHz - 1700KHz
RCA LINE OUT
Output CD Max. 800mV.
CD PLAYER
System Compact Disc Audio System.
Suitable CDs CD, CD-R, CD-RW Disc.
Frequency characteristics 40Hz-100Hz <5dB
10KHz-20KHz <5dB.
S/N Ratio to CD 60dB [1KHz]
Specifications subject to change, forgive without notification.
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MODEL: NX-671
INSTRUCTION MANUAL
THEFT DETERRENT DETACHABLE PANEL
CAR AUDIO CD, CD-R, CD-RW PLAYER
AM/FM STEREO 2 BAND RADIO
Preface
Thank you for purchasing this car audio product.
Please read this manual carefully before operating this car audio product.
Please keep this manual for future use. It will be helpful to you if you are encounter any
operational problem.
Selecting fine audio equipment is only the start of your musical enjoyment.
Now it is time to consider how to maximize the enjoyment you will get from
knowing how to work your new car stereo receiver.
We hope you enjoy using this product and encourage you to always listen at
a moderate, safe sound level to avoid any possible hearing damage or loss.
If you listen to excessively loud sound over time, your hearing can adapt to
higher volumes and what sounds "normal" to you may be quite harmful and
can cause you to have permanent hearing loss. So please practice "safe sound"
and always listen at moderate sound levels only.
Start with your volume control at the lowest setting, and slowly increase the level
until you can hear it comfortably and clearly, free from distortion.
Once you have established this comfortable sound level, leave it there.
WARNING!
INSTALLATION
To reduce the risk of fire or electric shock, do not use the unit in the rain or moisture
environment.
To prevent direct exposure to laser beam, do not try open the enclosure.
Visible and invisible laser radiation when open and interlocks defeated.
To protect our environment, do not dispose of electrical equipment in the domestic waste.
Please return any electrical equipment that you will no longer use to the collection points
provided for their disposal.
This helps avoid the potential effects of incorrect disposal on the environment and human
health. This will contribute to the recycling and other forms of reutilization of electrical and
electronic equipment. Information concerning where the equipment can be disposed of can
be obtained from your local authority.
Page 1 Page 10
ANTENNA PLUG
WIRING DIAGRAM
LOCATION AND FUNCTION OF CONTROLS
CONSTANT B+
BLACK(GND)
IGNITION SWITCH
RED (B+)
FRONT
LEFT
SPEAKER SPEAKER
REAR
YELLOW
+
-
+
-
FUSE 7A
RCA OUTPUT LINE
FUSE 0.5A
WHITE
WHITE/BLACK
GREEN
GREEN/BLACK VIOLET/BLACK
FUSE 0.5A
GRAY
GRAY/BLACK
VIOLET
RED R
WHITE L
BLUE AUTO ANT
+
FRONT
-
RIGHT
+
REAR
-
Note:
1. Make sure you use a speaker with 4 ohm load impedance
2. Make sure the auto antenna wire (Blue) does NOT come into contact with
the vehicle chassis.
CAUTION:
In order to protect power IC from being burnt out during installation the car stereo,
it is necessary to follow the steps below to connect the wires during installation:
Step 1: Connect the ground wire (Black);
Step 2: Connect all speaker wires and power antenna wire (Blue):
Left speaker Right speaker
Front speaker: White (+) White/Black (-)
Rear speaker: Violet (+) Violet/Black (-)
Step 3: RCA Line Out (R- Red/ L-White).
Step 4: Connect Back up (Yellow) and Acc wire (Red)
Green (+) Green/Black (-)
Gray (+) Gray/Black (-)
1. OPEN Button(OPEN)
2. Power(POWER) button
3. CD SLOT
4. LCD DISPLAY
5. EJECT(EJECT) key
Volume up/menu up(+) button
6.
Volume down/menu down(-) button
7.
8. MODE(MODE) Button &
LOUDNESS(LOUD) button
9. Mute(MUTE) Button &
button
PAUSE,PLAY( )
10. Audio select(SEL) button
11. EQ (Preset Equalizer) Button
12. BAND(BND) Button & Track Repeat
ON/OFF(RPT) button
TUNING KNOB
13.
14. STEREO/MONO Button & Track
INTRO ON/OFF (INT) button
15. LOC/DX Button & Track Random
ON/OFF (RDM) Button
16. TRACK DOWN/REVERSE
BUTTON( )
17. TRACK UP/FAST FORWARD
BUTTON( )
18. AUXILIARY INPUT JACK
Page 9 Page 2
General Controls
TROUBLE SHOOTING
1. OPEN BUTTON
To remove the front panel from the main body, press the OPEN key. And the
anti-theft LED indicator will be flashed all the time till the front panel be refixed
into the main body.
2. POWER ON/OFF
In power off (ACC on) mode, turn on the unit by pressing the POWER button
on the front panel; It also can turn on the unit to insert a disc into CD slot. It
will start play the first track on the current disc.
Press the POWER button short to turn off the unit.
3 & 4.VOLUME UP(+)/DOWN(-) BUTTONS
Press the volume UP(+) or DN(-) button short or hold to raise or lower the
volume level during playback. The both buttons are also used to adjust the
settings for Bass, Treble, Balance, Fader, when you are in those audio modes.
5. MUTE ON/OFF BUTTON (Only for radio mode)
This button serves to switch the MUTED state on/off during RADIO mode.
Press the mute(MUTE) button short to suppress the speaker temporarily.
Press it again to resume listening.
6. AUDIO FUNCTION AND MENU SELECT/ADJUST
1)Audio mode select and adjustment:
Press the SEL button repeatedly to cycle through four audio modes:
-> VOLUME ->BASS ->TREBLE -> BALANCE -> FADER
After selecting a certain audio mode, you can adjust the setting for Bass, Treble
Balance, fader by pressing the UP(+) or DN(-) button.
The control mode of E.VOL is operated with following numeric display.
- VOL: (MIN)00, 01,......45, 46(MAX).
- BASS/TREB: -6, -5,...,00,...5,6
- BAL: 9L, 8L,...,00,...8R,9R
- FAD: 9F,8F,...,00,...8R,9R
In each mode, the waiting time is about 3 seconds, and the waiting time is
over, it returns to the last display mode of RADIO or CDP mode.
Before using the check list please make all the connections first.
If you still have questions after going through the checklist, please consult
your local customer service representative.
PROBLEM
No power
Disc cannot
be loaded or
ejected
No sound
Sound skips
Another CD is present in the
player
Disc incorrectly inserted
upside-down
CD is extremely dirty or
defective
Temperature inside the car is
too high
Condensation
Volume is too low
Wiring is not properly
connected
The installation angle is more
than 30 degrees
CD is extremely dirty or
defective
CAUSE
The car ignition is not on.
The fuse is blown
SOLUTION
If the power supply is properly
connected to the car, switch the
ignition key to " ACC "
Replace the fuse
Remove CD in the player, then insert
a new one with label face up
Insert the CD with label face up
Clean the CD or try a different CD
Give enough time for the temperĀature in the vehicle to cool down.
Turn off the player for at least an
hour, then try again.
Adjust volume to desired level
Check the wiring connection
Adjust the installation angle to less
than 30 degrees
Clean the CD or try a different CD
7. EQ BUTTON
Press the EQ button short to access the preset equalizer mode. Press it
repeatedly to choose EQ OFF, or 4 preset equalizer curves: FLAT, CLAS,
ROCK, POP. The audio output will change correspondingly.
8. LOUDNESS BUTTON
Pressing and holding the LOUD button to enhance the bass output when low
volume level. Pressing and holding it again to cancel loudness effect.
Page 3 Page 8
The radio does
not work
The antenna cable is not
connected
Insert the antenna cable firmly