Troubleshooting – Yamaha DSP-A595 User Manual

Page 44

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44

SYMPTOM

The unit fails to turn on when
STANDBY/ON is pressed, or turns
into the standby mode suddenly
soon after the power is turned on.

The unit does not work normally.

No sound or no picture.

No picture.

The sound suddenly goes off.

Only one side speaker outputs
sound.

A “humming” sound can be heard.

The volume level is low while playing
a record.

The volume level cannot be
increased, or the sound is distorted.

No sound from the rear speakers.

No sound from the center speaker.

CAUSE

Power cord is not plugged in or is not
completely inserted.

The IMPEDANCE SELECTOR switch
on the rear panel is not fully set to the
upper or lower end.

There is an influence of strong external
noise (lightning, excessive static
electricity, etc.) or a misoperation while
using this unit.

Incorrect output cord connections.

Appropriate input source is not
selected.

SPEAKERS are not set properly.

Speaker connections are not secure.

There is no S video terminal connection
between this unit and the TV, though S
video signals are input to this unit.

The protection circuit has been
activated because of short circuit etc.

The SLEEP timer has functioned.

Incorrect setting of BALANCE.

Incorrect cord connections.

Incorrect cord connections.

No connection from the turntable to the
GND terminal.

The record is being played on a
turntable with an MC cartridge.

The component connected to the REC
OUT
terminals of this unit is in the
standby mode.

The sound output level of the rear
speakers is set to minimum.

A monaural sound source is being
played in DOLBY PRO LOGIC or
DOLBY PRO LOGIC ENHANCED
mode.

The sound output level of the center
speaker is set to minimum.

The center channel mode is in NONE
mode.

Incorrect sound field program selection.

REMEDY

Firmly plug in the power cord.

Set the switch fully to the upper or
lower end.

Turn this unit into the standby mode
and disconnect the AC power cord from
the AC outlet. After about 30 seconds
have passed, connect the power and
operate this unit again.

Connect the cords properly. If the
problem persists, the cords may be
defective.

Select an appropriate input source with
INPUT.

Set SPEAKERS corresponding to the
speakers in use to the ON position.

Secure the connections.

Connect this unit’s S VIDEO MONITOR
OUT
terminal to the TV’s S video input
terminal.

Turning the unit into the standby mode
and then on again will reset the
protection circuit.

Cancel the SLEEP timer function.

Adjust it to the appropriate position.

Connect the cords properly. If the
problem persists, the cords may be
defective.

Firmly connect the audio plugs. If the
problem persists, the cords may be
defective.

Make the GND connection between the
turntable and this unit.

The turntable should be connected to
the unit through the MC head amplifier.

Turn the power to the component on.

Raise the sound output level of the rear
speakers.

Select another sound field program
suitable for the monaural sound source.

Raise the sound output level of the
center speaker.

Select LARGE or SMALL.

Select the appropriate program.

Amplifier

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.

DSP-A595-7

3/25/99, 3:55 PM

44

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