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If there is a malfunction, the display shows a code of two numbers. You can check the condition of the system by message. Refer to the
following table to solve the problem. If any problem persists, consult your nearest Sony dealer.
POWER BOARD SERVICE POSITION
Cause and Response
Irregular current is output from the speakers. Turn off the ampli-
fier, check the central core of a speaker cord is not touching the
amplifier or other speakers, and turn on again.
The amplifier section is overheated. Check that the ventilation hole
is not covered. Turn off the amplifier, leave the amplifier for a
while, and turn on the power again.
Turn off the amplifier, check the central core of a speaker cord is
not touching the amplifier or other speakers.
Turn off the amplifier and check that the speaker cords are
connected correctly, then turn the power on again.
To check the backside,
remove the AC inlet from the back panel.