Sony XR-55A90J Guida di riferimento

4/7/2021 Help Guide
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Television
Getting Started [1]
Remote control [2]
Upper buttons on the remote control [3]
Middle buttons on the remote control [4]
Lower buttons on the remote control [5]
Connecting terminal [6]
How the LEDs light up [7]
Home menu [8]
Selecting inputs [9]
Performing acoustic auto calibration [10]
Accessibility features [11]
Useful features [12]
Searching for content/operating the TV with your voice [13]
Using the remote control microphone [14]
Using the built-in MIC (only TVs with a built-in MIC) [15]
Enjoying preferred apps [16]
Installing apps [17]
Enjoying safe apps and video streaming services (Security and restrictions) 
[18]
Watching TV [19]
Watching TV programmes [20]
Understanding the information banner icons [21]
Using the programme guide [22]
Configuring channel settings [23]
Receiving digital broadcasts [24]
Receiving satellite broadcasts [25]
Sorting or editing the channels [26]
Using the TV menu [27]
Using interactive broadcast TV services [28]
Useful features when watching TV [29]
Changing the picture and sound quality to your preferences [30]

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Adjusting the picture quality [31]
Adjusting the sound quality [32]
“Sound” advanced settings [33]
Recording TV Programmes [34]
Recording to a USB HDD device [35]
Registering a USB HDD device [36]
One-touch recording [37]
Timer recording [38]
Information about using a USB HDD device for recording [39]
Watching/deleting recorded content [40]
Understanding the symbols displayed in the recorded title list [41]
Using the TV with Other Devices [42]
USB devices [43]
Playing content stored on a USB device [44]
Information about USB devices used for storing photos and music [45]
Supported files and formats [46]
Photos [47]
Music [48]
Videos [49]
Audio sampling rates (for videos) [50]
External subtitles [51]
Blu-ray and DVD players [52]
Connecting a Blu-ray or DVD player [53]
Watching Blu-ray and DVD discs [54]
TV box [55]
Connecting a TV box [56]
How to control the TV box using the TV remote control [57]
Displaying the iPhone/smartphone or iPad/tablet app screen on the TV [58]
Computers, cameras, and camcorders [59]
Connecting a computer and viewing stored content [60]
Connecting a camera or camcorder and viewing stored content [61]
Computer video signal specifications [62]
Audio system (such as an AV receiver or sound bar) [63]
Outputting audio from an audio system [64]
Connecting an audio system [65]
Adjusting an audio system [66]
Using the TV as a centre speaker (only models with TV centre speaker mode) [67]

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Pass-through audio formats supported with eARC [68]
Bluetooth devices [69]
Connecting a Bluetooth device [70]
Adjusting the AV sync setting [71]
Supported Bluetooth profiles [72]
BRAVIA Sync-compatible devices [73]
BRAVIA Sync overview [74]
Using features available for BRAVIA Sync-compatible devices [75]
Adjusting BRAVIA Sync settings [76]
Viewing pictures in 4K from compatible devices [77]
Viewing pictures in 4K resolution [78]
Settings for viewing pictures through HDMI input with higher quality [79]
BRAVIA Connectivity Guide [80]
Connecting to a Network [81]
Connecting to a network [82]
Connecting to a network using a LAN cable [83]
Connecting to a network using a wireless connection [84]
Using Wi-Fi to connect the TV to the Internet/Network [85]
Using Wi-Fi Direct to connect to the TV (no wireless router required) [86]
Home network features [87]
Adjusting home network settings [88]
Playing content from a computer [89]
Playing content from a media server [90]
Viewing Internet media [91]
Settings [92]
Using the Quick Settings [93]
Channels & Inputs [94]
Display & Sound [95]
Network & Internet [96]
Accounts & Sign-In [97]
Privacy [98]
Apps [99]
System [100]
Remotes & Accessories [101]
Help & feedback [102]

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Timers & Clock [103]
Troubleshooting [104]
Start here [105]
Self diagnostics [106]
Software updates [107]
If a full reset (restart) of the TV is required [108]
Frequently Asked Questions for Troubleshooting [109]
Picture (quality)/screen [110]
No colour/Dark picture/Colour is not correct/Picture is too bright. [111]
Distorted picture./The screen flickers. [112]
The screen suddenly changes to a video you do not recognise while watching TV. 
[113]
There are banners/tickers at the top or bottom of the screen. [114]
High resolution HDR pictures are not displayed. [115]
A message about an app asking for permission to access a TV function is displayed.
[116]
OLED panel (only models equipped with an OLED panel) [117]
The screen becomes darker after a certain period of time. (only models equipped with an
OLED panel) [118]
The message [Panel refresh did not finish] is displayed. (only models equipped with an OLED
panel) [119]
You are concerned about an image retention. (only models equipped with an OLED panel) 
[120]
A white line appears on the screen. (only models equipped with an OLED panel) [121]
Keyboard [122]
Broadcast reception [123]
Check these things first to troubleshoot your TV reception. [124]
Block noise or an error message appears and you cannot watch broadcasts. [125]
Ghosting or double images appear. [126]
Only snow noise or a black picture appears on the screen. [127]
There is picture or sound noise when viewing an analogue TV channel. [128]
Some channels are blank. [129]
Poor reception or poor picture quality with digital broadcasts. [130]
You cannot view digital channels. [131]
Not all analogue channels are tuned. [132]
You cannot view satellite channels. [133]
Some digital channels are missing. [134]
You want to tune your satellite dish. [135]

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Sound [136]
No sound but good picture. [137]
Audio noise. [138]
No audio or low audio with a home theatre system. [139]
Distorted sound. [140]
You want to output sound from the headphones/Bluetooth audio device and audio
system/TV speakers at the same time. [141]
You are concerned about a delay between the picture and sound. [142]
No TV sounds such as operation sound or audio response. [143]
You cannot establish an eARC connection. [144]
You cannot use voice search with the built-in MIC (only TVs with a built-in MIC). 
[145]
You can hear a slight noise from the TV speakers (only models with TV centre
speaker mode). [146]
Network (Internet/home)/apps [147]
The TV cannot connect to the Internet/Network. [148]
The picture and/or sound quality from streaming apps is poor. [149]
Your TV cannot connect to the server. [150]
You can connect to the Internet, but not to certain apps and services. [151]
Remote control/accessories [152]
The remote control does not operate. [153]
You want to disable the remote control backlight. (only remote controls that feature
backlight) [154]
Power [155]
The TV cannot be turned off using the remote control. [156]
The TV turns off automatically. [157]
The TV turns on automatically. [158]
After turning on the TV, it turns off immediately. (only models equipped with an OLED
panel) [159]
The TV does not turn on. [160]
Connected devices [161]
No picture from a connected device. [162]
You cannot select a connected device. [163]
Certain programmes on digital sources display a loss of detail. [164]
Photo images or folders take time to display. [165]
You cannot find a connected BRAVIA Sync HDMI device. [166]
You cannot turn off the TV box using the TV's remote control. [167]

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An external device (such as a TV box) cannot be controlled using the TV's remote
control. (TV box control compatible models only) [168]
Some media files in the USB device or server are not displayed. [169]
Operation cuts out, or a device does not work. [170]
Some paid content cannot be played. [171]
USB HDD recording [172]
You cannot use a USB HDD device. [173]
The USB HDD device cannot be registered. [174]
Recording cannot be performed./Recording failed. [175]
Recorded content disappeared. [176]
You want to delete recorded content, but the delete icon is not displayed. [177]
The USB HDD device operates even though it is not turned on. [178]
LED [179]
You want to disable the LED so that it does not light up or blink. [180]
The Operational response LED blinks in red. [181]
Index/Other [182]
Index [183]
Using the Help Guide [184]
Specifications [185]
Support Site [186]
Keeping the TV updated [187]
Trademark information [188]
[1]
Getting Started
Remote control This section explains the remote control buttons in three separate blocks.
Connecting terminal
How the LEDs light up
Home menu
Selecting inputs
Performing acoustic auto calibration
Accessibility features
[2] Getting Started