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11. TROUBLE SHOOTING
There may be various reasons for the abnormal operation of JB-99. Please refer to the trouble-shooting guide
below. For continuing problems with JB-99, contact your local dealer or CAVS USA Inc for a repair service.
Symptoms Reasons Remedies
No power to the unit even after Power plug is not properly Check that the power plug is well
POWER button is pressed. connected plugged in.
Front panel buttons and remote Power is not connected properly. Pull out the power plug and after a few
controller buttons are not working seconds plug in again.
Disc is loaded but FLT screen Disc is loaded upside down Reload the disc in correct position
does not display any information
Disc is un-clean or scratched Clean the disc before loading or
use an alternate disc
No sound from speakers Audio output terminal is not Check the connections of audio output
tightly connected. terminal.
Amplifier is not working. Check the power and volume level of
amplifier
The unit is in mute mode. Press the MUTE button to release the
audio output
Abnormal sounds from Audio output terminal is connected Connect the audio output terminal to
speakers to record terminal of amplifier disc or AUX terminal of amplifier.
One audio output terminal is not Check the terminal to amplifier
correctly connected to the amplifier.
Scratched or unclean disc. Clean the disc or use an alternate disc
Dirty audio output terminal or audio input Clean the terminals before reconnecting
terminal of amplifier.
Howling noise while playing Noise from microphone input Place the microphone away from
Speakers
No video picture on TV The disc is not a Video-CD Use a Video CD
Video output terminal is not connected Connect the video output terminal to
to the input terminal of TV video input terminal of TV
Incompatible RF modulator Use an alternate RF modulator to
(for TV with only coaxial video connect the video output terminal
input). into coaxial video input.
Screen distortion when External video source is Go to Menu and then 4. System Setup
JB-99 is turned on set on. to change the video source from
external to internal.
Incorrect video mode. Turn off the unit and then correct the
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