Sony STR-DH550, STR-FH750 manual Sound

Sound	43
No sound or only a very low level of sound is heard, no matter which
device is selected	169
There is severe humming or noise	170
No sound or only a very low level of sound is heard from specific
speakers	171
There is no sound from a specific device	172
The left and right sound is unbalanced or reversed	174
Dolby Digital or DTS multi-channel sound is not reproduced	175
The surround effect cannot be obtained	176
A test tone is not output from the speakers	177
A test tone is output from a different speaker than the speaker displayed
on the TV screen	178
No sound is output from the TV when the receiver is in standby mode	179
Tuner	44
The FM reception is poor	180
The FM stereo reception is poor	181
You cannot tune to radio stations	182
RDS does not work (for European and Australian models only)	183
The RDS information that you want does not appear (for European and
Australian models only)	184
iPhone/iPod	45
The sound is distorted	185
There is no sound from an iPhone/iPod	186
An iPhone/iPod cannot be charged	187
An iPhone/iPod cannot be operated	188
The ringtone volume of an iPhone does not change	189
USB devices	46
Are you using a compatible USB device?	190
There is noise, skipping, or distorted sound	191
A USB device is not recognized	192
Playback does not start	193
A USB device cannot be connected to the USB port	194
Erroneous display	195
[Reading] is displayed for an extended time, or it takes a long time before
playback starts	196
An audio file cannot be played	197
BLUETOOTH devices (for STR-DH750 only)	47
Pairing cannot be done (for STR-DH750 only)	198
Cannot make a BLUETOOTH connection (for STR-DH750 only)	199

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