Sony STR-D311 Operating Instructions

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Betore proceeding through the check list below, examine ihe connections and the procedures outlined in the manual
Should any problem persist after you have checked the following wtlems, consult your nearest Sony dealer
Problem
Cause
No station can he tuned in by
Automatic Tuning operation.
The AM tuning interval is set incorrectly
Solution
Change the tuning interval according to the
AM frequency allocation system of your
country.
The signal strength of the stations 1s too
weak for Automatic Tuning
Adjust the antenna.
Directly tune in the stations
Tha STEREO indicator flickers of does not
appear when receiving stereo programs.
Avery weak FM station or a noisy FM
program is received.
Adjust the antenna or connect an external
FM antenna
Press FM MODE to sel to MONO mode.
No stations can be tuned in by pressing
PRESET TUNING +/-.
No stations have been preset
Preset the stations
No sound is heard even if you adjust
VOLUME,
The speaker or program source equipment
is not connected correctly,
Conneci the equipment correctly.
The SPEAKERS A/B buttons are not set
correctly
Set the buttons correctly. if the A and B
bultons are both depressed, check that
both speaker systems are property
connected
A wrong function selector has been
pressed
Press the correct function selector.
One channel does not transmit audio, or
the volume from the left and right speakers
is unbalanced.
The BALANCE contrat is not set
appropriately
Adjust the BALANCE control
The speaker or program source 1s not
connected correctly.
Check ang properly connect the
equipment
There is an abrupt joss of sound from one
‘ot both of the speakers, and the protector
indicator [J flickers in the display window.
A short-circuit problem activates the
Protective circult,
Turn off the unit, eliminate the short- citcuit
problem and turn on the power again. It
there is no short-circuit problem, consult
your nearest Sony dealer
Sound transmitted from the speakers is
reversed
The speakers are not connected correctly
Connect the right speaker to the R
SPEAKER terminals and the lett speaker to
the L SPEAKER terminals
‘There is lack of bass sound o¢ the
instrument position is obscure.
The B/G connection of the speaker is
reversed
Connect the speaker with the correct
phase
Severe hum or noise is heard,
The connections are loose.
Make secure connections,
The plugs and jacks are dirty
Wipe the plugs and jacks with a cloth
lightly dampened with alcohol
The remote commander will not operate
The batteries are exhausted.
Replace the batteries with new ones.
SONYY.
3-756-536-21(1)
FM Stereo/FM-AM
Receiver
Operating Instructions
me
© 1993 by Sony Corporation
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Sony STR-D311 Specifications

General

Tuning range	FM, MW
Speaker load impedance	8 ohms
Speaker Impedance	8 ohms
Input Sensitivity	150 mV (line)
Dimensions	430 x 135 x 300 mm
Input Impedance	50kΩ (line)