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English
19. TROUBLESHOOTING
Problem
Cause
Measure
Power does not turn on. (No sound is produced.)
Fuse is blown.
Replace with a fuse of the same amperage. If the fuse
blows again, consult your store of purchase.
Incorrect wiring.
Consult your nearest service centre.
Nothing happens when buttons are pressed.
Display is not accurate.
The microprocessor has malfunctioned due to noise,
etc.
Consult your nearest service centre.
Problem
Cause
Measure
USB device cannot be inserted.
The USB device has been inserted in the wrong direc-
tion.
Reverse the direction of the USB device, and try again.
The USB connector is broken.
Replace with a new USB device.
USB device is not recognized.
The USB device is damaged.
Disconnect the USB device and reconnect. If the de-
vice is still not recognized, try replacing with a different
USB device.
Connectors are loose.
No sound heard with the display “NO FILE AVAIL-
ABLE” shown.
No supported file is stored in the USB device.
Store supported audio files in the USB device.
Sound skips or is noisy.
Audio files are not encoded properly.
Use correctly encoded audio files.
Video images are not displayed.
The parking brake is not engaged.
Check that the parking brake is engaged.
• General
• USB Device
• Bluetooth Audio
Problem
Cause
Measure
Cannot perform remote control for audio stream-
ing.
AVRCP is not connected.
Disconnect and connect the device again.
Pair the device again if necessary.
Audio streaming is choppy when using the con-
nected phone.
This is due to excessive Bluetooth activity on a low band-
width link. Some mobile phones will face this problem.
It is advisable not to use the mobile phone while the
audio is streaming.
Cannot perform Bluetooth Audio connection
Some SmartPhone is not supported both USB connection
and Bluetooth connection at the same time.
Unplug the USB connection and try to reconnect
Bluetooth Audio again.
Summary of Contents for FX688A
Page 1: ...Display Audio System OWNER S MANUAL ...
Page 37: ......
