Yamaha CX-1 Owner's Manual: Troubleshooting

Natural sound stereo pre-amplifier.
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TROUBLESHOOTING

If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.
SYMPTOM
The unit fails to turn on when the POWER
switch is pressed.
No sound or no picture.
Only one side speaker outputs the sound.
Sound "hums".
Sound level is low.
The sound from the MC cartridge is too
low
Using the BASS, TREBLE, BALANCE and
LOUDNESS (for CX-2 only) controls does
not affect the tone.
The remote control transmitter does not
work.
The distance or range within which the
remote control transmitter can be used
decreases.
18
CAUSE
Power cord is not plugged in or is not
completely inserted.
Incorrect output cord connections.
Appropriate input source is not selected.
Power amp connections are not secure.
Incorrect setting of the BALANCE control.
Incorrect cord connections.
No connection from the turntable to the GND
terminal.
The LOUDNESS control is functioning
(for CX-2 only).
The MUTING switch is ON.
PHONO switch is set to MM.
The PURE DIRECT switch is ON.
Direct sunlight or lighting (of an inverter type
of flourescent lamp etc.) is striking the
remote control sensor of the main unit.
The batteries of this remote control
transmitter are too weak.
REMEDY
Firmly plug in the power cord.
Connect the cords properly. If the problem
persists, the cords may be defective.
Select an appropriate input source with the
INPUT selector.
Plug in the connection cords properly.
Adjust it to the appropriate position.
Firmly connect the audio plugs. If the
problem persists, the cords may be defective.
Make the GND connection between the
turntable and this unit.
Set the LOUDNESS control to the FLAT
position.
First, turn the volume control to the full left.
Then, turn the MUTING switch OFF with the
remote control transmitter and adjust the
volume.
Set this switch to MC.
The PURE DIRECT switch must be switched
OFF to use those controls.
Change position of the main unit.
Replace the batteries with new ones.

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