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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 dealer or authorized YAMAHA
Preferred Customer service center for help.
The amplifier fails to turn on when the
POWER switch is pressed.
—TSIWWA,I
No sound.
—
Sound "hums".
No picture.
Enhance controls have no effect.
——
Enhance controls worsen picture.
43
® Power cord is not plugged in or is not completely inserted.
@ incorrect output cord connections.
@ Firmly plug in the power cord.
ө Connect cord properly. Ií the problem persists, the cables
may be defective.
® incorrect amplifier control setting.
|
е Set the amplifier controls to the correct input source.
е Incorrect cable connections.
ө Incorrect cord connections.
e Wrong video unit selected..
@ Video unit not turned on.
e ENHANCER REC or MONITOR button in wrong position.
e SHARPNESS or DETAIL control set too high.
e Poor source quality.
е Firmly connect the audio plugs. If the problem persists, the
cord may be defective.
e Connect the video plugs correctly.
e Select correct video unit.
e Turn video unit on.
e Select correct ENHANCER REC or MONITOR position.
® Set SHARPNESS and DETAIL controls to a lower level.
€ Obtain better source material.
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