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53
GB
D:\NORM'S JOB\SONY HA\SO17_STR-DH790_PMRF1\STR-DH790 (PMRF
01)\4726905121_GB\070TRU.fm
masterpage: Right
STR-DH790
4-726-905-12(1)
Troubleshooting/Specifications
– Connect the front speaker first, plug in
the AC power cord (mains lead) and turn
on the receiver. Increase the volume level
and operate the receiver for at least
30 minutes until it completely warms up.
Then, connect each additional speaker
one by one and test each additional
speaker until you detect which speaker is
causing the protection error.
After checking the above items and fixing
any problems, plug in the AC power cord
(mains lead) and turn on the receiver. If the
problem persists, consult your nearest
Sony dealer.
“USB FAIL” appears on the display
panel.
An over-current from the POWER SUPPLY
port was detected. Turn off the receiver,
disconnect the USB device, and then turn
on the receiver again.
[Error 30:]
Headphones are connected. Please
disconnect the headphones and retry
calibration.
[Error 31:]
The front speakers are not selected
correctly. Select the front speakers correctly
using SPEAKERS on the receiver and
perform Auto Calibration again while
sound is being output. For details on
selecting the front speakers, see
“Switching the front speakers” (page 46).
[Error 32:], [Error 33: F], [Error 33: S],
[Error 33: SBL], [Error 33: HT]
• Sound is not detected from one or both
of the speakers.
– Sound is not detected from one or both
of the front speakers. Please ensure
that the calibration microphone is not
damaged, and is connected to the
CALIBRATION MIC jack on the front
panel of the receiver, and that all
speakers are properly connected.
– Sound is not detected from either the
left or right surround speakers. Please
ensure that the surround speakers are
connected to the SURROUND
terminals.
– The surround back speaker is
connected to the SURROUND BACK/
HEIGHT R terminal. When using only
one surround back speaker, please
connect it to the SURROUND BACK/
HEIGHT L terminals.
– Only one height speaker is detected.
Please ensure that both the height
speakers are connected to the
SURROUND BACK/HEIGHT terminals.
• Sound is not detected from any speakers,
please ensure that the calibration
microphone is not damaged and is
connected to the CALIBRATION MIC jack
on the front panel of the receiver.
[Error 35: FL], [Error 35: FR],
[Error 35: SL], [Error 35: SR],
[Error 35: FC], [Error 35: SW],
[Error 35: SBL], [Error 35: SBR],
[Error 35: SB], [Error 35: HTL],
[Error 35: HTR]
The speaker pattern configuration does not
match calibration result, or the noise level
is high. Please check the speaker pattern
and connection, or re-calibrate in a quiet
environment.
[Warning 40:]
The measurement has been completed,
but the noise level is high. For best possible
results, calibrate in as quiet a place as
possible.
[Warning 41:], [Warning 42:]
The input signal from the calibration
microphone is too large. The microphone
may be too close to the speakers. Please
place the calibration microphone at your
desired listening position, and perform
Auto Calibration again.
[Warning 43:]
The distance and position of the subwoofer
cannot be detected. Please check the
subwoofer and re-calibrate in a quiet
environment.
Messages after Auto
Calibration measurements
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