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Sony KDL-55EX720 Support Question

Sony KDL-55EX720 Support Question

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Question posted by RCBUSH47 on March 28th, 2012

Kdl55ex720 Tv

THE TV TURNS ON FOR A MOMENT, YOU SEE THE SONY LOGO THAN IT DISAPPEARS AND THE BACKLIGHT STAYS ON FOR A BIT, THAN IT SHUTS OFF ALSO.

Current Answers

Answer #1: Posted by TVDan on March 28th, 2012 6:16 PM
This answer was accepted by the poster of the original question.
TVDan

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The problem could be with almost any part of this model (power supply, main board, T-con, panel, etc), but many times this set will display a blink count helping the technician to narrow down the failure to a stage. The failure code involves the indicator blinking a specific number of times, followed by a pause then repeats. This info will help to diagnose your issues


TV Dan

Related Sony KDL-55EX720 Manual Pages

Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 1

... Information for Using Sony Wall-Mount Bracket (SU-WL500)  A-DXE-100-12(1) Compatible TV models for this Wall-Mount Bracket information: XBR-55HX929/55HX927/55HX925/55HX920/46HX929 KDL-55HX827/55HX825/55HX820/46HX820 KDL-60NX720/55NX720/46NX727/46NX725/46NX720/40NX727/40NX725/40NX720 KDL-60EX723/60EX720/55EX727/55EX725/55EX723/55EX720/46EX729/46EX727/ KDL-46EX725/46EX723/46EX720/40EX729...
Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 2

... TV. Installing the Wall-Mount Bracket Install the Base Bracket and Mounting Hooks. 1 Open the Wall-Mount Bracket package and check for Using Sony Wall-Mount Bracket (SU-WL500) −  − Dimension Table Screen center point  Model Name XBR-55HX92* XBR-46HX92* KDL-55HX82* KDL-46HX82* KDL-60NX72* KDL-55NX72* KDL...
Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 3

...TV. Additional Information for its weight.  Model Name KDL-32EX72* KDL-55EX62* KDL-46EX62* KDL-40EX62* KDL-46EX52* KDL-40EX52* KDL-32EX52* KDL-32EX42* KDL-46CX52* KDL-40CX52* KDL... and/or characters specific to your TV's operating instructions for Using Sony Wall-Mount Bracket (SU-WL500) −  −
Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 4

... of the surface. Only For KDL-40/32EX521 (Mexico models) Soft cloth Table-Top Stand not attached to TV. CAUTION • If pressure or shock is in a vertical position before turning it on the wall. 3... on the rear of the TV differs, depending on the model of the Table-Top Stand on the TV. be powered on a stable and level surface with the LCD panel face down on with the ...
Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 5

...region. Additional Information for Using Sony Wall-Mount Bracket (SU-WL500) −  − Screw and Hook Locations Diagram/Table Model Name Screw Locations XBR-55HX92*/46HX92* e, j KDL-55HX82*/46HX82* e, j KDL-60NX72* d, g KDL-55NX72*/46NX72*/40NX72* e, j KDL-60EX72* d, g KDL-55EX72*/46EX72...
Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 6

...;" indicates numbers and/or characters specific to the rear of the TV. Determine the screw locations and secure the Mounting Hooks to each model. For KDL-60NX72*, KDL-55NX72*, KDL-46NX72*, KDL-40NX72*, XBR-55HX92*, XBR-46HX92*, KDL-55HX82*, KDL-46HX82* Screw (+PSW6 × 16) ×2 Mounting Hook ×...
Additional Information for Using Sony® Wall-Mount Bracket (SU-WL500) - Page 7

...Adjust the angles of the Mounting Hook. For holding and carrying the TV, refer to lift the TV by yourself. For KDL-46CX52*, 40CX52*, 32CX52* Screw (+PSW6 × 16... arm to pinch your TV's instructions. ✍ • When you carry out this task with the Wall-Mount Bracket. When installing the TV parallel to the Instructions for Using Sony Wall-Mount Bracket (SU-...
Feuillet de consignes d’utilisation et de sécurité - Page 6

...of the TV cracks, do not touch the TV until you have an adverse effect on the LCD screen. Changing the Picture mode, Backlight setting, enabling the Light Sensor (if applicable), or turning on ... exposed to the LCD panel, small traces of damage. A damaged AC power cord should disappear after a few moments. ☐ The LCD screen and enclosure get warm when the TV is made with high-...
Setup Guide (Operating Instructions) - Page 1

...) Getting Started Using Your BRAVIA TV Network Setup Additional Information Sony Customer Support U.S.A.: www.sony.com/tvsupport Canada: www.sony.ca/support United States 1.800.222.SONY Canada 1.877.899.SONY Please Do Not Return the Product to the Store KDL-60EX723 / 60EX720 / 55HX729 / 55EX723 / 55EX720 / 55EX621 / 55EX620 / 46HX729 KDL-46EX729 / 46EX723 / 46EX720 / 46EX621 / 46EX620...
Setup Guide (Operating Instructions) - Page 2

... or playing stereoscopic 3D games. The vision of any discomfort, you believe necessary. HDMI, the HDMI Logo, and HighDefinition Multimedia Interface are trademarks of HDMI Licensing LLC in your Sony dealer regarding this television. • Operate the TV only on 110-240 V AC (U.S.A./Canada 120 V AC) Licensing Information Macintosh is a trademark of Rovi Corporation...
Setup Guide (Operating Instructions) - Page 8

... (1)*2 Fixing screws for Table-Top Stand (M5 × 16) (3) (except KDL-60EX72x) Assembling screws for Table-Top Stand (M6 × 14) (4) (for KDL-60/55/46EX72x/KDL-55/46HX72x/ KDL-55/46EX62x) Assembling screws for Table-Top Stand (M6 × 14) (3) (for KDL-40/32EX72x/KDL-40EX62x) Hexagon wrench (1) Operating Instructions (this manual) and other documents...
Setup Guide (Operating Instructions) - Page 9

... changes may cause the TV to show poor picture and/or poor color. IR Sensor Presence Sensor 3D Sync Transmitter (KDL-60/55/46/40/ 32EX72x, KDL-55/ 46HX72x only) 9 try turning off the fluorescent lamps....your batteries and make sure that they are not mounting the TV to a wall, you can interfere with the adequate number of the TV. • Do not expose the Presence Sensor to direct ...
Setup Guide (Operating Instructions) - Page 10

... with the two dowels of the Table-Top Stand, and gently place the TV, checking that the f mark is facing the front. For KDL-55/46HX72x, KDL-55/46/40/32EX72x and KDL-55/46/40EX62x 1 Place the TV unit on the LCD panel or the frame around the screen. • Be careful to not pinch...
Setup Guide (Operating Instructions) - Page 11

... of the LCD display, make sure to place a soft cloth on the work surface. • When installing the TV on the rear of the TV. 2: Adjusting the viewing angle of the TV. Angle adjustment (Swivel) (except KDL-60EX72x) ~ • When adjusting the angle, hold the stand with one hand to avoid having the stand...
Setup Guide (Operating Instructions) - Page 14

Shown with PC Connection with SD VCR/DVD Notebook PC Rear of TV PC or Side Panel Splitter VCR DVD VCR/DVD Combo Cable/Antenna 14
Setup Guide (Operating Instructions) - Page 20

... or to select a program to watch. Using Your BRAVIA TV Watching the TV 1 1 2 GUIDE 1 Turn on the front or back of the remote control.) 2 Select a TV channel or select an input. or To use 0-9 2 For example, to turn on the TV. (For KDL-60/55/46/40/32EX72x and KDL-55/46HX72x, you may use the I/1 button located...
Setup Guide (Operating Instructions) - Page 21

...to operate the BRAVIA Sync-compatible equipment that is connected to turn the TV on and off from standby mode. 2 i-MANUAL Displays the built-in the TV mode. 8 VOL/2 +/- For details on all of ...(i-Manual) (page 24). 1 :/1 Press to the TV. 4 F/f/G/g/ Moves the on the current input and/or content. For KDL-60/55/46/40/32EX72x and KDL-55/46HX72x 6 Color buttons When the color buttons are...
Setup Guide (Operating Instructions) - Page 30

... • Check the antenna or dish. The TV turns off setting may be tuned. If Auto Shut-off is activated and TV receives no sound. • Check the antenna/cable connection. • Connect the TV to turn it flashes (interval time is activated. • The Auto Shut-off automatically (the TV enters standby mode). • Check if the...
Setup Guide (Operating Instructions) - Page 32

.../ 69.6 25.3 / 55.8 M6 (length: refer to the i-Manual for supported format. Model name KDL- Specifications System Television system Channel coverage Panel system Speaker output Input/Output jacks CABLE/ANTENNA VIDEO IN 1/2 COMPONENT IN HDMI IN 1/2/3/4 AUDIO OUT/Headphones... noise during the download but this TV.) Refer to diagram on page 18.) 25.4 / 56.0 20.2 / 44.5 32 RS232C, D-sub 9 pin...
Setup Guide (Operating Instructions) - Page 34

...cause undesired operation. KDL-60EX723/KDL-60EX720/ KDL-55HX729/KDL-55EX723/ KDL-55EX720/KDL-55EX621/ KDL-55EX620/KDL-46HX729/ KDL-46EX729/KDL-46EX723/ KDL-46EX720/KDL-46EX621/ KDL-46EX620/KDL-40EX729/ KDL-40EX723/KDL-40EX720/ KDL-40EX621/KDL-40EX620/ KDL-32EX729/KDL-32EX720 SU-WL500 Use with your TV please go to radio communications. Declaration of the following Sony Wall-Mount Bracket...

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