Sony Trinitron WEGA KV-AW21 Mode D'emploi page 16

Troubleshooting (continued)
The TV screen sometimes goes blank for slightly longer than usual during channel change.
• The "Signal Booster" is functioning to detect a weak signal. This does not indicate a
malfunction.
TV cabinet creaks.
• Changes in room temperature sometimes make the TV cabinet expand or contract, causing
a noise. This does not indicate a malfunction.
A small "boom" sound is heard when the TV is turned on.
• The TV's demagnetizing function is working. This does not indicate a malfunction.
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