Sony STR-DH750 - Manual (Page 184)

MULTI CHANNEL AV RECEIVER
STR-DH750/STR-DH550
A test tone is not output from the speakers.
The speaker cables may not be connected securely. Check that they are connected securely and cannot be
disconnected by pulling on them slightly.
The speaker cables may have short-circuited.
Notes on use
4-488-933-11(1)
Copyright 2014 Sony Corporation
Help Guide
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