Troubleshooting - Coustic C200 Bedienungsanleitung

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Adjusting the gain
1. Turn the gain control on the amplifier all the way down (counter clockwise).
2. Turn up the volume control on the source unit to approximately 3⁄4 of maximum.
3. Adjust the gain control on the amplifier until audible distortion occurs.
4. Adjust the gain control down until audible distortion disappears.
5. The amplifier is now calibrated to the output of the source unit.
Trouble Shooting
PROBLEM
No LED indication
LED on, no output
Output distorted
Balance reversed
Bass is weak
Blowing fuses
CAUSE
No +12V at remote connection
No +12V at Power connection
Insufficient ground connection
Blown power fuse
Volume on source unit off
Speaker connections not made
Gain control on amplifier off
Source unit volume set too high
Amplifier gain set too high
Speakers wired L + R reversed
RCA inputs reversed
Speakers wired out of phase
Excessive output levels
Amplifier defective
SOLUTION
Supply +12V to remote terminal
Supply +12V to terminal
Verify ground connection
Replace fuse
Increase volume on source unit
Make speaker connections
Turn up gain
Lower source unit volume
Lower amplifier gain
Wire speakers with correct orientation
Reverse RCA input
Wire with correct phase
Lower volume
Return for service
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