Sony STR-D1090 - Troubleshooting: Speaker, Noise, and Remote Issues; Speaker and Noise Problems Resolution; Remote Control and Button Functionality Issues

Problem
Sound transmitted from the speakers is
reversed.
Cause
The speakers are not connected correctly.
Solution
Connect the right speaker to the R
SPEAKER terminals and the left speaker to
the L SPEAKER terminals.
There is lack of bass sound or the
instrument position is obscure.
The @/© connection of the speaker is
reversed.
Connect the speaker with the correct
phase.
Severe hum or noise is heard.
The CURSOR mode operation buttons do
not function.
Surround effect cannot be obtained.
Equalization curve adjustment is
impossible.
The FUNCTION buttons do not change to
the SOUND FIELD buttons even after
pressing one of the FUNCTION buttons
except TUNER or these buttons do not
change to the numeric buttons even after
pressing TUNER.
The connecting cords are not shielded
type.
A transformer, motor, TV or fluorescent light
affects the connecting cords.
The audio components are too close to a
TV set.
The unit is not grounded.
The connections are loose.
The plugs and jacks are dirty.
The unit enters the ON SCREEN mode.
The unit is in a wrong mode.
Surround circuit is turned off.
The unit is in a wrong mode.
Equalization circuit is turned off.
The FUNCTION/SOUND FIELD/PRESET
TUNING buttons are set to the manual
mode.
Use shielded type cords.
Place the connecting cords in a location
away from a transformer or motor, and at
least 3 meters (10 feet) from a TV set ora
fluorescent light.
If both are used at the same time, separate
the TV from the audio components.
Connect the ground wire to the antenna
ground terminal.
Make secure connections.
Wipe the plugs and jacks with a cloth
lightly dampened with alcohol.
Press ON SCREEN ON/OFF to disengage
the ON SCREEN mode.
Press CURSOR MODE to set the SURR
(surround) mode.
Set the FUNCTION/SOUND FIELD/PRESET
TUNING buttons to the SOUND FIELD
mode and select an appropriate SOUND
FIELD.
Press CURSOR MODE to set the EQ
(equalizer) mode.
Set the FUNCTION/SOUND FIELD/PRESET
TUNING buttons to the SOUND FIELD
mode and select an appropriate SOUND
FIELD.
Set to the auto mode. (See page 11)
The remote commander will not operate.
The batteries are exhausted.
The commander head is not pointed
toward the unit's front.
Replace the batteries with new ones.
Point the commander head toward the
receiver.
The equipment cannot be operated.
There is an object between the commander
and the receiver.
The mode of the receiver is not same with
that of the remote commander.
Remove the object.
Press the desired FUNCTION button again.
The commander signal cannot be
programmed.
There is noise interference.
Place both remote commanders apart from
the source of noise.
The LEARN indicator goes off after
flashing.
The batteries are exhausted
The internal memory capacity is full.
Replace the batteries with new ones.
Clear all the signals and program again.
(See page 43)
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