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Sony XBR-55X800E Help Guide - Page 203

The screen becomes darker after a certain period of time. (only models equipped with an OLED panel

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Help Guide > Troubleshooting > Picture (quality)/screen > The screen becomes darker after a certain period of time. (only models equipped with an OLED panel) The screen becomes darker after a certain period of time. (only models equipped with an OLED panel) If the whole image or part of the image remains still, the screen will gradually become darker to reduce image retention. This is a feature to protect the panel, and is not a malfunction. > Troubleshooting > Picture (quality)/screen > The screen becomes darker after a certain period of time. (only models equipped with an OLED panel) C-436 -100 -15(1) Copyright 2018 Sony Visual Products Inc. Go to page top 196

Section	Page
Help Guide	1
Table Of Contents	2
TOC-2	3
TOC-3	4
TOC-4	5
TOC-5	6
TOC-6	7
Using the remote control	31
Using the “Content Bar” (DISCOVER)	35
Using the Action Menu	37
Troubleshooting	40
Start here	149
Self diagnostics	166
If a full reset (restart) of the TV is required	167
Picture quality is not as good as viewed at the store.	186
Distorted picture.	187
The screen flickers.	188
No color/Dark picture/Color is not correct/Picture is too bright.	189
Dark screen. How to brighten the screen.	190
Color is not correct. How to adjust the color tone.	191
Screen format/wide mode changes automatically.	192
The screen suddenly changes to a video you do not recognize while watching TV.	193
Suddenly the picture becomes small.	194
Black bands appear at the edges of the screen.	195
A black box appears on the screen.	196
There are banners/tickers at the top or bottom of the screen.	197
3D pictures are not displayed. The 3D effect is weak. (3D models only)	198
Black bars appear on both sides of the screen when watching 3D pictures. (3D models only)	199
You cannot turn off 3D display while watching 3D content. (3D models only)	200
The message [3D signal has been detected.] automatically appears when 3D signal is detected. (3D models only)	201
A message about an app asking for permission to access a TV function is displayed.	202
The screen becomes darker after a certain period of time. (only models equipped with an OLED panel)	203
The message [Panel refresh did not finish] is displayed. (only models equipped with an OLED panel)	204
You are concerned about an image retention. (only models equipped with an OLED panel)	205
A white line appears on the screen. (only models equipped with an OLED panel)	206
Panel refresh does not complete. (only models equipped with an OLED panel)	207
Check these things first to troubleshoot your TV reception.	208
Block noise or an error message appears and you cannot watch broadcasts.	209
Ghosting or double images appear.	210
Only snow noise or a black picture appears on the screen.	211
There is picture or sound noise when viewing an analog TV channel.	212
Some channels are blank.	213
Poor reception or poor picture quality with digital broadcasts.	214
You cannot view digital channels.	215
You cannot receive or select channels.	216
Some digital cable channels are not displayed.	217
Broadcast HD formats have poor quality.	218
No sound but good picture.	219
Audio noise.	220
No audio or low audio with a home theater system.	221
Distorted sound.	222
Headphone/Bluetooth audio device volume cannot be adjusted.	223
You want to output sound from both the headphones/Bluetooth audio device and the TV speakers.	224
You are concerned about a delay between the picture and sound.	225
You cannot turn the Active 3D Glasses on. (3D models only)	226
The LED indicator on the Active 3D Glasses blinks. (3D models only)	227
The TV turns off automatically.	228
The TV turns on automatically.	229
After turning on the TV, it turns off immediately.	230
After unplugging the TV and plugging it in again, the TV does not turn on even if you press the power button on the remote control or the TV.	231
No picture from a connected device.	232
You cannot select a connected device in the Home Menu.	233
Certain programs on digital sources display a loss of detail.	234
Photo images or folders take time to display.	235
You cannot find a connected BRAVIA Sync HDMI device.	236
You cannot turn off the set-top box (cable/satellite box) using the TV's remote control through the IR Blaster function.	237
You cannot control a second AV receiver.	238
An external device (such as a set-top box or AV receiver) cannot be controlled via the IR Blaster. (IR Blaster compatible models only)	239
Some media files in the USB device or server are not displayed.	240
The TV cannot be found by a Wi-Fi Direct device.	241
Operation cuts out, or a device does not work.	242
What kind of devices can be connected using the Screen mirroring function?	243
The TV cannot connect to a Miracast device or Screen mirroring compatible device.	244
Video or sound sometimes cuts out.	245
Some paid content cannot be played.	246
The illumination LED sometimes lights up.	247
You want to disable the illumination LED so that it does not light up or blink.	248
BRAVIA Sync-compatible devices	261
BRAVIA Sync overview	289
Using features available for BRAVIA Sync-compatibledevices	290
Adjusting BRAVIA Sync settings	292
Playing content stored on a USB device	302
Information about USB devices used for storing photos and music	304
Connecting a Blu-ray or DVD player	306
Watching Blu-ray and DVD discs	309
Setting up the IR Blaster to control the set-top box(cable/satellite box) (IR Blaster compatible models only)	310
Connecting a computer and viewing stored content	311
Connecting a camera or camcorder and viewing storedcontent	313
Computer video signal specifications	315
Connecting a wireless subwoofer (optional)	317
Adjusting wireless subwoofer-related settings (optional)	319
Viewing pictures in 4K resolution	321
Settings for viewing pictures in 4K resolution with higher quality	323
Using the program guide	324
Using interactive broadcast TV services	325