12
13
KBCR3886
EN
car radio
information (blinking) and then rotate the Volume Knob to adjust
the minutes. The unit will display MP3 playback information if no
operation is performed within 5 seconds.
Others
AUX IN
Press the PWR/MOD key to switch to AUX IN status, press the PWR/
MOD key again to resume.
Connecter direction
Connection diagram of 12V
2.3. Troubleshooting
Fault
Reasons
Solutions
Power is off 1. Power supply is not
correctly connected.
2. Fuse is broken or power
wire is open.
Correctly connect
power supply.
Check fuse or power
wire.
No display
on LCD
1. Yellow wire is not
connected with positive
pole.
2. Broken yellow wire fuse.
Ensure the yellow
wire is connected with
positive pole. Replace
the yellow wire fuse.
No sound
1. No power supply.
2. Speaker wire in open
circuit.
3. No compatible music
in the SD/MMC card or
U-disk.
4. The SD/MMC card
contacts or the U-disk
is dirty.
Replace power supply.
Check speaker wires.
Check the storage of
SD/MMC card
or U-disk.
Clean it with ethyl
alcohol.
Main engine
Antenna socket
Right RCA output
Left RCA output
Red
Blue wire
White
Red wire
Connect
positive pole
Connect to
automatic antenna
Front right
speaker
Rear right
speaker
Connect to
ignition switch
Connect
negative pole
Front left
speaker
Rear left
speaker
Yellow Wire
Black wire
White wire
Grey wire
Green wire
Purple wire
White and
black wire
Grey and
black wire
Green and
black wire
Purple and
black wire
Low sound
or not clear
1. Power resistance
is high.
2. Antenna is not well
connected.
Replace the battery.
Tighten the antenna
plug.
Mono
1. One channel of the
speaker wire is open
circuit.
2. The amplifier circuit
is broken.
Check and connect
speaker wire.
Replace circuit.
Note:
Technical data is subject to change without prior notice.
3. TECHNICAL SPECIFICATIONS
FM
Frequency range
87.5Hz - 108MHz
Maximum sensitivity
≤37dBf
Signal to noise ratio
≥40dB
Stereo separation
≥20dB
MP3
Supported format
MP3
Supported memory
U disk, SD/MMC/TF card
Frequency response
(100Hz ~ 10 KHz) ±8dB
Signal to noise ratio
≥50dB
Channel separation
≥30dB
Voltage harmonic distortion
(1 kHz)
≤5%
Playback Stereo channels
balance
≤3dB
General
Voltage
DC 12V
Output power
25W*4
Speaker impedance
4Ω ~ 8Ω
Main frame dimensions
178mm (W) x 50mm (H) x 98mm
(D)