Sony STR-DH770 - Troubleshooting; General and Image Issues; Sound and Tuner Problems

List of messages after Auto Calibration measurements [128]
USB message list [129]
General
The receiver is turned off automatically. [130]
Cannot find an available input when connecting several digital devices. [131]
The receiver does not turn on even when the TV is turned on. [132]
The receiver turns off when the TV is turned off. [133]
The receiver does not turn off even when the TV is turned off. [134]
Image
No image appears on the TV screen. [135]
No 3D content appears on the TV screen. [136]
No 4K content appears on the TV screen. [137]
No image is output from the TV screen when the receiver is in standby mode.
[138]
The home menu does not appear on the TV screen. [139]
The display panel is turned off. [140]
Image does not appear on the TV screen when the receiver is not turned on. [141]
When the language for the on-screen display of the TV is changed, the on-screen
display language of the receiver is changed simultaneously. [142]
Sound
No sound or only a very low level of sound is heard, no matter which device is
selected. [143]
There is severe humming or noise. [144]
No sound or only a very low level of sound is heard from specific speakers. [145]
There is no sound from a specific device. [146]
There is no sound from the TV via the HDMI TV OUT (ARC) jack when using the
Audio Return Channel function. [147]
The left and right sound is unbalanced or reversed. [148]
Dolby Digital or DTS multi-channel sound is not reproduced. [149]
The surround effect cannot be obtained. [150]
A test tone is not output from the speakers. [151]
A test tone is output from a different speaker than the speaker displayed on the
display panel. [152]
No sound is output from the TV when the receiver is in standby mode. [153]
No TV sound is output from the receiver. [154]
Image and sound are not output from the TV when the receiver is not turned on.
[155]
The sound is output from both the receiver and the TV. [156]
Tuner
The FM reception is poor. [157]
The FM stereo reception is poor. [158]
You cannot tune to radio stations. [159]
RDS does not work (for European and Asia-Pacific models only). [160]