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Yamaha DSP-A595 Owner's Manual: Troubleshooting

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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 authorized YAMAHA dealer or service center for help.
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
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.


Power cord is not plugged in or is not
completely inserted.
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
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
The sound output level of the center
speaker is set to minimum.
The center channel mode is in NONE
Incorrect sound field program selection.
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
Select an appropriate input source with
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
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
Firmly connect the audio plugs. If the
problem persists, the cords may be
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
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.
3/25/99, 3:55 PM


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  • Rufino S. Velasco, Jr. Dec 20, 2016 08:20:
    The thing that you get in the morning is very good