Sony KDL-46BX450, 46BX451, 40BX450 LCD TV Operating Instructions

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Other Information
Using a Wall-Mount Bracket
Your TV can be mounted on a wall using a Wall-Mount Bracket (not supplied) out of the 
box as packaged. Some larger size TV may require removing the Table-Top Stand; refer 
to the instructions provided with the TV.
Prepare the TV for the Wall-Mount Bracket before making cable connections.
For product protection and safety reasons, Sony strongly recommends that you 
use the Wall-Mount Bracket designed for your TV and the installation should be 
performed by...

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Installing the Wall-Mount Bracket
xTo Customers
Your TV can be wall-mounted using SU-WL500 Wall-Mount Bracket (sold separately).
Please provide this installation information as well as the instruction supplied with SU-
WL500 Wall-Mount Bracket to your installer.
xTo Sony Dealers and Licensed Contractors
To avoid injury and property damage, read these instructions carefully. Periodic 
inspection and maintenance is highly recommended to ensure that TV is securely 
mounted.
xNote when installing
When...

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Other Information
For SU-WL500
Step 1: Check the parts required for the installation
Open the Wall-Mount Bracket package and check the contents for all required parts 
along with the Instructions.
Step 2: Decide on the installation location
Decide where you want to install your TV. Refer to the TV installation dimensions table.
Refer to the Instructions for SU-WL500.
xDimension Table
Figures in the above table may differ slightly depending on the installation.
CAUTION
The wall that the TV will be...

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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.
1Place the TV with its screen facing down on a level and stable surface covered with a thick 
and soft cloth.
2Remove the screws guided by the arrow marks   and   of the TV.
Do not remove any other screws from the TV.
 Hold the Table-Top Stand with one hand to avoid it dropping when detaching.
 Before attaching the...

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Other Information
3Secure 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-46BX451
KDL-46BX450
d, g b
KDL-40BX451
KDL-40BX450
Square...

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4Adjust 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 onto Base Bracket....

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Other Information
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...

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TV is locked to one 
channelAuto Program to add receivable channels that are not 
present in the TV’s memory (see pages 20 and 41).
Cannot receive or select 
channelsAuto Program to add receivable channels that are not 
present in the TV’s memory (see pages 20 and 41).
 To receive or select cable channels, make sure that Signal Type 
in the Channel settings is set to Cable (see page 41). To receive 
or select UHF channels over an antenna, make sure Signal Type 
is set to Antenna.
The TV turns off...

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Other Information
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 24).
Speakers to TV Speakers in the Sound settings (see page 
38). 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...

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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 Mode selected with...