SSM-1750 4-Channel Stereo Audio Mixer
(320-3008)                 Troubleshooting            Faxback Doc. # 45075

With proper care and handling, your mixer should give you years of
trouble-free service.  However, if your SSM-1750 is not working properly,
follow these suggestions to see if you can eliminate the problem.  If you
still have trouble, take the mixer to your local Radio Shack store for
assistance.

Problem                   Possible Solution

Nothing works             Check the AC power connection and make sure the
                          AC outlet is "live."

                          Check the power connection to the rest of the
                          system (amplifier/receiver, input sources, and
                          so on).

                          Check the fuse, See "Replacing the Fuse" on
                          Faxback Doc. # 45076.

No signal from an         Make sure the TALK OVER switch is set to OFF.
audio input source
                          Check the mixer's and the source's control
                          settings.

                          Check the connection between the mixer and the
                          input source.

Hum from PHONO sources.   Make sure the turntable's ground wire (usually
                          black or green)) is connected to the GND screw on
                          the back of the mixer.

Hum from other input      Make sure there are no low-level inputs connected
source                    to the LINE input jacks.

Feedback "squeals"        Move the microphone further away from the output
                          speakers or use a unidirectional microphone.


(br/EB 11/3/97)