Sony LCD TV KDL-55EX640 User Manual

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Other Information
Step 3: Install the Base Bracket on the wall
Refer to the Instructions for SU-WL500.
Step 4: Prepare the TV for wall mount installation
Follow the steps below to prepare for installing the TV.
1Disconnect all the cables from the TV.
2Detach the Table-Top Stand from the TV.
Remove the screws guided by the arrow marks and of the TV.
Do not remove any other screws from the TV.
3Place the TV with its screen facing down on a level and stable surface covered with 
a thick and soft cloth....

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4Secure the Mounting Hook to the rear of the TV.
Determine the screw locations and secure the Mounting Hooks to the rear of the TV. 
Refer to the “Screw and Hook Locations Diagram/Table” shown below.
1Secure the Mounting Hooks to the rear of the TV using only the supplied screws 
(M6 × 16).
2Be sure to tighten the screws with equal torque strength.
xScrew and Hook Locations Diagram/Table
TV ModelScrew locationHook location
KDL-55EX640/KDL-46EX640/KDL-40EX640e, j b
Mounting 
Hook Screw 
(M6 × 16)...

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Other Information
5Adjust the angle of the Mounting Hook.
Refer to the Instructions for SU-WL500.
Step 5: Install the TV on the wall
Refer to the Instructions for SU-WL500.
~
 When you put the TV back on the Table-Top Stand, reverse the above steps.
 When moving the TV, do not squeeze the bottom of the front panel too tight.
 Remove the screws or install the Mounting Hook on a stable and level surface.
Screw location
When installing the Mounting Hooks on 
the TV.Hook location
When installing the TV...

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Troubleshooting
Many of the poor pictures and poor sound conditions are related to improper connection 
of the cables; refer to the Quick Setup Guide provided for connections.
If you have questions, service needs, or require technical assistance related to the use 
of your Sony TV even after you read this operating instructions manual, contact the 
following:
For US Support:
http://www.sony.com/tvsupport
 or call 1-800-222-SONY (7669)
For Canadian Support:
http://www.sony.ca/support
 or call...

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Other Information
TV is locked to one 
channelAuto Program to add receivable channels that are not 
present in the TV’s memory (see pages 22 and 56).
Cannot receive or select 
channelsAuto Program to add receivable channels that are not 
present in the TV’s memory (see pages 22 and 56).
 To receive or select cable channels, make sure that Signal Type 
in the Channel settings is set to Cable (see page 56). To receive 
or select UHF channels over an antenna, make sure Signal Type 
is set to Antenna.
The...

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No sound / Noisy sound
No sound but good 
picture Check the volume control.
MUTING or VOL + so that “Muting” disappears from the 
screen (see page 26).
Speakers to TV Speakers in the Sound settings (see page 
53). If it is set to Audio System, sound is not output from the TV’s 
speakers regardless of the TV’s volume control. 
 When using HDMI input with Super Audio CD or DVD-Audio, 
DIGITAL AUDIO OUT (OPTICAL) may not provide an audio 
signal.
 When tuned to a digital channel with Alternate Audio, the...

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Other Information
General
TV screen feels warm  Due to the thin profile of this television, the heat generated by the 
LCD panel backlight and supporting electronics will be more 
noticeable. This is normal operation and not a cause for concern.
Wide Mode changes 
automatically The current Wide Mode setting is automatically replaced with the 
4:3 Default setting when you change the channel or video input, 
if 4:3 Default in the Screen settings is set to other than Off. If you 
want to lock in Wide...

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Certain programs on 
DVD or other digital 
sources display a loss of 
detail, especially during 
fast-motion or dark 
scenes This is due to the digital compression of the source content used 
by certain digital broadcasts and DVDs which may cause your 
TV’s screen to display less detail than usual, or cause artifacts 
(small blocks or dots, pixelations) to appear on your screen. 
These signal compressions are more visible and are dependent 
on the clarity and resolution of the TV.
Remote control does...

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Other Information
Sometimes video 
streaming quality is poor 
when using the wireless 
LAN The wireless network connection quality varies depending on the 
distance or obstacles (e.g. wall) between the TV/USB Wireless 
LAN Adapter and the wireless router (access point), environment 
interference, and quality of the wireless router (access point). If 
using USB Wireless LAN Adapter, it is suggested to use a 
wireless router (access point) supporting 5GHz operation for 
video streaming and place it...

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You cannot add a new 
Widget Your TV comes with preinstalled apps which occupy a certain 
amount of the allotted app memory. To add a new app, you may 
have to delete an existing app. Press Home, then press V/v to 
select Applications, press  , then press B/b to select the 
Widget you want to delete. Press yellow button, then press V/v to 
select Delete App, and press  . 
Your TV cannot connect 
to the server Check the LAN cable or connection to your server and your TV.
 Check if your network is...