Sony str av 220 owners manual

Page 2

Troubleshooting

Problem

STEREO indicator flickers or does not light up when FM
stereo programs are received

The figures in the display window do not stop at therdesired
star-on during automatic tuning

Stations cannot be tuned m Correctly when the numeric
button is pressed.

Audio is not heard. 7

One channel does not transmit audio or the volume from
the let! and right speakers is unbalanced.

. Check the FM antenna connection. and adiust the

Solutlon

antenna.
. Press FM MODE to disengage the stereo mode.

- Check the antenna connection and adiust the antenna
direction.
. Tune in the station using the direct access tuning.

. Memorize the frequency correctly.

.Check the speaker and program source connections

. Check that the appropriate Iunptron selector is depressed.

-Check that the appropriate SPEAKERS selector is
depressed, It the A and B selectors are both depressed.
check that both speaker systems are properly connected. l

. Adiusi the BALANCE control.
- Check the speaker connections,

There is an abrupt loss or sound from one or both at the
speakers.

Sound transmitted from the speaker is reversed

.Turn olt the receiver. and check the speaker terminals or
speaker cord for a short.
(This symptom may be caused when the protection clroult
insrde the unit activates.)

0 Connect the speaker correctly.

r
Severe hum or noise is heard.

. - Use shielded connecting cords.

- Keep the audio components turther away from the W

. Connect the ground wire to the ANTENNA ground
terminal.

. Clean any dirty plugs and lacks wrth a cloth lightly
moistened With alcohol.

The Etprotection) alarm appears in the display window

- A serious trouble has occurred such as overheating or
shon-circwting. Reter servicing to qualified person.

The unit cannot be controlled by the Remote Commander
r (STR-AVBZO ontyl.

. Correctly point the head at the commander toward the unit.
It there rs any object between the unit and the commander
head. remove it.

A