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Samsung LN40A550 Support Question

Samsung LN40A550 Support Question

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Question posted by blindsay520 on November 23rd, 2011

Samsung Lcd Tv Mod. Ln40a550p3f

Multi problems #1 Most functions on Remote have stopped working. I know signal is being rec’d by TV sensor because I can see sensor light flashing when I press remote button (Factory & DTV Remote). #2 Some controls on side of TV have also stopped functioning properly . The Up & Down Arrows will not work when I have the Menu on the screen.

Current Answers

Answer #1: Posted by TVDan on November 23rd, 2011 3:32 PM
This answer was accepted by the poster of the original question.
TVDan

Member since:
August 8th, 2011

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This is a very strange problem if those buttons work when the "menu" isn't present, and they quit when the menu is present. The first thought I had was one of the buttons on the TV keyboard is either jammed or damaged (disconnect this board to eliminate), my second thought was these new low energy light bulbs the power companies are distributing or the ones for sell are messing with the IR receiver in the TV (turn these lights off to eliminate). Finally it comes to the "MAIN" board either malfunctioning or the option codes in the memory set-up are incorrect. There is a possibility that these codes have been corrupted, or someone has been into the "service menu" and changed them. Maybe you should attempt a "reset", as long as you do nothing else while in there, this procedure will not damage the "main" board any worse, and it might fix it. Press the buttons on the remote with the power "off" to start with. [mute], [1], [8], [2], [power], then the TV will come on in the "service menu", then pressing the center button [enter] a couple times should bring you to a reset function, press it once more and the TV should turn off after it's done.

If this doesn't fix your problem the a new "Main" board is most likely your only option.


TV Dan

Related Samsung LN40A550 Manual Pages

User Manual (ENGLISH) - Page 5

... Panel buttons 1 SOURCE Toggles between all the available input sources (TV, AV1, AV2, S-Video, Component1, Component2, PC, HDMI1, HDMI2/DVI, HDMI3, USB). In the on-screen menu, use the ▼ and ▲ buttons on the remote control. 5 (Power) Press to increase or decrease the volume. VOL + Press to turn the TV on and off. 6 REMOTE CONTROL SENSOR Aim the remote control...
User Manual (ENGLISH) - Page 14

... completed. 119 channels are stored, it starts to select language, then press the ENTER button. Press the ENTER button. 2. Press the ▲ or ▼ button to remove scrambled channels (see page 40). is displayed, press and hold the MENU button on the TV for use the POWER button on the remote control. When the volume OSD is displayed. ➣ We recommend setting...
User Manual (ENGLISH) - Page 16

... time, you can cut off the sound using the MUTE button. 1. Press MUTE button and the sound cuts off , press the MUTE button again or simply press the VOL - SD indicates the TV is receiving a Standard Definition signal. ➣ For quick channel change, press the number buttons, then press the ENTER button. TV #8 DTV Air Dolby Digital 4-2 ♥ Sun, Sep 3 1:45 pm Life...
User Manual (ENGLISH) - Page 34

... level among broadcasters. 1. Press the MENU button to display the menu. Sound Multi-Track Sound Auto Volume : Stereo : Off TV Speaker : On ► Sound Select Sound Reset : Main 3. Sound Multi-Track Sound Auto Volume : Stereo : Off TV Speaker : OOnff ► Sound Select : MOanin Sound Reset TV Speaker On TV Speaker Off Video No Signal TV's Internal Speakers RF AV...
User Manual (ENGLISH) - Page 36

...  Select TOOLS Option Using the Color buttons on the remote control to bring up the channel lists. Press the ▲ or ▼ button to select "Added Channels". Added Channels 2 Air 4 Air 4-2 ♥ TV #8 8 Air 13 Air 13-1 ♥ TV #3 Alice's Adventures in Wonderland O Press the CH LIST button on the Remote with the Channel List • Red (Antenna...
User Manual (ENGLISH) - Page 37

... 4-2 ♥ TV #8 Add to select "All Channels". ➣ Shows all currently available channels. Press the ENTER button to select "Delete". ➣ All deleted channels will be shown on the remote control to bring up the channel lists. Press the ENTER button. 4. Press the ▲ or ▼ button to select a channel to delete, then press the TOOLS button. 5. Press the ENTER button to...
User Manual (ENGLISH) - Page 38

...; TV #3 Alice's Adventures in the channel list. Air  Antenna  Zoom  Select TOOLS Option O To select the favorite channels you watch frequently as a favorite. 7. To cancel your favorite channel selection, press the TOOLS button when a favorite channel is deleted from ) Favorites. Press the EXIT button to bring up , press the FAV.CH button on the remote...
User Manual (ENGLISH) - Page 39

... Channel List ► Fine Tune Signal Strength 2. Press the ▲ or ▼ button to select a channel, then press the TOOLS button. 3. Press the ▲ or ▼ button to the procedures described above. : A program currently being broadcast. : A reserved program Added Channels 2 Air 4 Air 4-2 ♥ TV #8 8 Air 13 Air 13-1 ♥ TV #3 1/1/2008 12:59 pm M.Spillane...
User Manual (ENGLISH) - Page 40

... Channel List ► Fine Tune Signal Strength Added Channels 2. Press the ◄ button to select "Added Channels". 3. Press the ▲ or ▼ button to select "Channel", then press the ENTER button. The reservation modification is applied. O Press the CH LIST button on the remote control to select "Channel List", then press the ENTER button. Programmed Air  Antenna...
User Manual (ENGLISH) - Page 41

...; Fine Tune Signal Strength 2. Press the ▲ or ▼ button to select the channel to exit. ➣ The names of digital broadcasting channels are automatically assigned and cannot be labelled. Press the EXIT button to be assigned a new name, then press the TOOLS button. 3. Press the ▲ or ▼ button to select "Auto Program", then press the ENTER button. ➣ For...
User Manual (ENGLISH) - Page 42

... analog TV channels can be removed from the list. ➣ To stop searching scrambled channels; DTV Cable 10 3% Stop Enter Return Fine Tuning Analog Channels Use fine tuning to manually adjust a particular channel for optimal reception. 1. Press the MENU button to adjust the fine tuning. Channel Clear Scrambled Channel Channel List Fine Tune ► Signal Strength 3. Press...
User Manual (ENGLISH) - Page 45

... Auto "Adjust function" to have the TV set automatically adjust the video signals it is to select "Auto Adjustment", then press the ENTER button. The function also automatically fine-tunes the settings and adjusts the frequency values and positions. ➣ This function does not work in progress. AV2 ---- Component2 ---- 2. Press the ▲ or ▼ button to select "Coarse...
User Manual (ENGLISH) - Page 50

...day of the week. TV/USB: Select TV or USB. (Make sure that an USB device is active, you set the timer On, the television will appear. Press the ENTER button over the desired day...and channel by the timer. This function is only available in timer On mode and prevents overheating, which may occur if a TV is selected, press the ► button to your TV.) - Photo: Select the folder ...
User Manual (ENGLISH) - Page 84

...the device, when you are watching a TV program Audio Device When Receiver is activated Available Buttons Numeric buttons ENTER buttons Color buttons / EXIT button (Backward search) / (Forward search) (Stop) / (Play) / (Pause) CH / CH button VOL -/ VOL +/ MUTE button ➣ The Anynet+ function only works when the active source on the TV remote control is displayed on the screen. Sound...
Quick Guide (ENGLISH) - Page 9

...the ENTER button. Press the ◄ button to select "Added Channels". 2 Press the ▲ or ▼ button to add, 4 then press the TOOLS button. Press the ▲ or ▼ button to select a channel to select "All Channels". All Channels 2 Air 4 Air Delete 4-2 ♥ TV #8 Add to delete, then press the TOOLS button. Customizing the Picture Settings Your television has several...
Quick Guide (ENGLISH) - Page 9

... to select a channel to delete, then press the TOOLS button. English- Press the ENTER button. 3 Press the ▲ or ▼ button to select a channel to add, then press the TOOLS button. Press the ▲ or ▼ button to decrease or increase 3 the value of a particular item. Customizing the Picture Settings Your television has several setting options that allow you can...
Quick Guide (ENGLISH) - Page 11

... cables are reset to the factory defaults. If you 're receiving is black and power indicator light blinks steadily. Move the computer's mouse or press any key on the screen. This symptom is not centered on . No sound or sound is too light or too dark. Remote control malfunctions "Check signal cable" message. Black bars on...
User Manual (ENGLISH) - Page 14

... Enter Skip Plug & Play Selects the cable system. is initially powered on, basic settings proceed automatically and subsequently. 1. Press the POWER button on the TV. Operation Turning the TV On and Off Press the POWER button on the remote control. Auto: "Air" and "Cable" antenna signals. ➣ In Cable mode, you have Digital cable, select the cable system...
User Manual (ENGLISH) - Page 42

... removed from the list. ➣ To stop searching scrambled channels; To store the fine tuning setting in the TV's memory, press the ENTER button. ➣ If you do not store the fine-tuned channel in "Cable" mode. Press the ▲ or ▼ button to display the menu. Channel List Fine Tune Signal Strength 3. When the scrambled channel...
User Manual (ENGLISH) - Page 84

...connected, the recording devices are watching a TV program Audio Device When Receiver is activated Available Buttons Numeric buttons ENTER buttons Color buttons / EXIT button (Backward search) / (Forward search) (Stop) / (Play) / (Pause) CH / CH button VOL -/ VOL +/ MUTE button ➣ The Anynet+ function only works when the active source on the TV remote control is displayed on the type...

Samsung Knowledge Base Results

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  • General Support
    ... Size selection on the Picture Menu in the On Screen Menu or by pressing the P.Size button on your remote. It is not available in the U.S. Is JustScan Available On My LCD TV? 2009 Models (LNxx B ) All 2009 Samsung LCD TVs have a JustScan function built in. You can access the JustScan function through LN-T LCD TVs. The JustScan function, however, is not available for...
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    ... updates for 2007 models. Select Setup, and then press Enter. Use the Down Arrow button to Select Function Help, and then press Enter. Click for information on the LCD TV firmware updates for 2008 models. Note: You will probably Down Arrow through several menu screens before reaching Function Help. Press the Menu button on your remote. How Can I Find Out What Firmware Version My...
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