List Of Messages After Auto Calibration Measurements; Troubleshooting; Usb Message List; The Receiver Is Turned Off Automatically - Sony STR-DH770 Manual

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.

[128] Troubleshooting

Error messages

List of messages after Auto Calibration measurements

Error 30:
Headphones are connected to the PHONES jack on the front of the receiver. Remove the
headphones and retry the Auto Calibration again.
Error 31:
Front speaker system is set to [SPK OFF]. Select the front speaker system you want to
operate by pressing SPEAKERS on the receiver repeatedly, then retry the Auto Calibration.
Error 32:
The receiver cannot detect any speaker. Make sure that the calibration microphone is
connected securely to the CALIBRATION MIC jack, then retry the Auto Calibration.
Error 33: The receiver cannot detect sound from front, surround, surround back, and front
high speakers. Check the followings:
The calibration microphone is not damaged and is connected to the CALIBRATION MIC
jack.
All speakers are connected properly.
Warning 40:
The receiver has completed the Auto Calibration and detected a high noise level. Retry the
Auto Calibration in a quiet environment for a better result.
Warning 41, Warning 42:
The receiver detects a high level signal from the calibration microphone. The distance
between the microphone and speakers may be too short. Place the microphone at listening
position apart from the speakers, then retry the Auto Calibration.
Warning 43:
The receiver cannot detect distance and position of subwoofer. This may be caused by
noise. Retry the Auto Calibration in a quiet environment.
[129] Troubleshooting Error messages

USB message list

The following messages appear on the display panel.
READING:
The receiver is recognizing and reading the information of the USB device.
NO SUPPORT:
An incompatible USB device is connected, an unknown device is connected, the USB
device is connected through a USB hub or the USB device could not be recognized.
NO DEVICE:
No USB device is connected or the connected USB device is not recognized.
NO TRACK:
No track was found.
[130] Troubleshooting General

The receiver is turned off automatically.