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Diagnostics & Trouble Shooting
Problem
No power
No sound
No reception
USB stick not
reading
AUX Input or RCA
Output distortion
If you have problem or question that wasn't mentioned above
please visit our website at MBQuart.com and go to the TEQ
Support section or the Frequently asked questions.
Cause
1. Incorrect wiring
2. Fuse is blown
3. The wiring harness
is not connected
1. Volume is too low
2. Speaker
connection loose or
wired incorrectly
1. The antenna cable
is not connected
2. The signals are too
weak
1. Music file is neither
MP3 or WMA format
1. Volume may be up
too much on external
device
Solution
1. Re-check wiring
2. Replace fuse
3. Re-check wiring
harness connection
1. Increase volume
2. Double check
connection and
re-attach
1. Insert the antenna
cable securely
2. Select a station
manually
1. Convert music file
format into MP3 or
WMA format
1. Lower volume on
external device until
distortion goes away
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