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Samsung LN26A450 Support Question

Samsung LN26A450 Support Question

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Question posted by nancyceraster on August 31st, 2010

Tv Won't Turn On

I have a two year old Samsung LN26A450.  All of a sudden the TV won't turn on with either the remote or the power button.

Current Answers

Answer #1: Posted by oriolesmagic on August 31st, 2010 12:22 PM
This answer was accepted by the poster of the original question.
oriolesmagic

Member since:
August 2nd, 2010

Points: 313,980
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The first thing I would check is if the power cord is plugged securely into the power outlet or powerstrip.  The second thing I would check is if the power cord is plugged securely into the back of the TV power supply.  It could appear to be plugged in but if not securely in place the TV won't turn on. 

If that does not work, check your user manual to see if it's still under warranty and call a Samsung repair center.

Answer #2: Posted by tonito304170 on May 6th, 2011 5:17 PM
tonito304170

Member since:
May 6th, 2011

Points: 1,550
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I had the same problem with my Samsung LN26A450 LCD TV. I found the following YouTube video http://www.youtube.com/watch?v=Mm51C_RDIZE titled "Samsung TV Repair - Part 1 of 2) (also watch Part 2 of 2) which shows how to easily fix the problem. The problem is bad capacitors on the power supply board. My TV had seven (7) bad capacitors - all 7 had dark stains on the ends from leaking electrolytic fluid and one (10V 2200MFD) was blown with bulging ends. I ordered 7 new high-temp (105 degrees C) aluminum radial capacitors from DigiKey.com matching the Temperature, Capacitances and Voltage Ratings for each damaged capacitor that I removed. I followed the instructions in the video except I used desoldering braid ($3.99 at RadioShack) to remove the solder attaching the bad capacitor leads to the power supply board. Once you wick up the old solder from all sides of each lead wire using the desoldering braid, the bad capacitors are easily removed. Total cost of repair including soldering equipment was less than $50. Thanks to “The Professor” for posting the video and saving me $400.

Answer #3: Posted by Chickenwatt on July 21st, 2015 3:36 AM
Chickenwatt

Member since:
July 21st, 2015

Points: 0
100
points
First change the 2,200 u farad/10 volts capacitor for 2,200 at 16 volts which is possibly the first problem this TV is going to give and verify the other 6 medium caps on this board for rounded head, then if still not turning on and the front Led is not flashing and each 12 seconds it sounds a barely hear able glitch then maybe is the main board that needs to be replaced, by now 2015 is no longer available new so try to get it used for around 60 dollars and then sell it because parts are difficult by now or use it until it last and then throw it away

Answer #4: Posted by raymills1 on November 15th, 2011 7:44 AM
raymills1

Member since:
November 15th, 2011

Points: 10
90
points
There is no power of very low power to the main board and the redlight is not flashing. I know that the power supply is working, and I think it's the main board.

Related Samsung LN26A450 Manual Pages

Quick Guide (ENGLISH) - Page 8

...button to exit. ➣ The on the remote control. Press the EXIT button to select one minute. APultuogP&roPglraaym Auto Program in order). Press the ◄ or ► button, then press the ▲ or ▼ to display the menu. The TV... Press the MENU button while the Auto Program function is being executed. Turning the TV On and Off Press the POWER button on -screen menus...
Quick Guide (ENGLISH) - Page 14

..."Cable" antenna signals. Turning the TV On and Off Press the POWER button on the TV. To Stop the Auto Program Function 3 Press the ▲ or ▼ button to select the correct ...TV, select the cable system signal source for your location. TV Auto Program Selects the antenna to select "Auto Program", 2 then press the ENTER button. You can also use the POWER button on the remote...
Quick Guide (ENGLISH) - Page 14

... the ▲ or ▼ to select "Channel", then press the ENTER button. Then press the ENTER button to see if Channels were Stored in Progress. APultuogP&roPglraaym Auto Program in Memory Press the CH button. Turning the TV On and Off Press the POWER button on the screen. Cable : 11 Stop Enter Cable 24 11 % Return APultuogP...
User Manual (ENGLISH) - Page 3

... ■ List of Features 2 ■ Accessories 2 ■ Viewing the Control Panel 3 ■ Viewing the Connection Panel 4 ■ Remote Control 6 ■ Installing Batteries in the Remote Control 7 Connections (LN26A450C1D, LN40A450C1D) ■ Connecting VHF and UHF Antennas 7 ■ Connecting Cable TV 8 ■ Connecting a DVD Player or Cable Box/Satellite receiver (Set-Top Box...
User Manual (ENGLISH) - Page 4

... Adjustable picture settings that can be viewed with your LCD TV. Accessories Please make sure the following items are missing,... contact your dealer. Stand Screw (M4 X L14) (LN32A450C1D : 6003-001334) (LN37A450C1D : 6003-001334) (LN40A450C1D : 6003-001334) English -  Remote Control & Batteries (AAA x 2) (BN59-00687A) Power...
User Manual (ENGLISH) - Page 23

... select language, then press the ENTER button. The message "Select 'Home Use' when installing this TV in Progress. Press the POWER button on the TV. Auto: "Air" and "Cable" antenna signals. In Cable mode, you have Digital cable, select the cable system signal source for use the POWER button on the remote control. The message "Menu Language, Store...
User Manual (ENGLISH) - Page 26

...remote control. 2. Press the ▲ or ▼ button to select "Switch to Air" (or "Switch to Cable"), then press the ENTER button...the available channels are memorized, use the TOOLS button to select your television can memorize and store all of each function...2. Press the ENTER button to exit. TV Press the EXIT button to select "Antenna". Press the TOOLS button on which external input ...
User Manual (ENGLISH) - Page 38

...button on the remote control. Press the MENU button to select "SRS TruSurround XT", then press the ENTER button. Press the ▲ or ▼ button to display the menu. Move Enter Return TV..., including internal television speakers. TruSurround XT technology is available only in TV mode. Press the ENTER button to select "Sound", then press the ENTER button. English - ...
User Manual (ENGLISH) - Page 40

.... Press the ▲ or ▼ button to select "TV Speaker", then press the ENTER button. TV Side Panel English - 38 Press the ▲ or ▼ button to display the menu. Press the EXIT button to exit. When "TV Speaker" is muted. 1. Press the MENU button to select "Sound", then press the ENTER button. 2. Setting the TV Speakers On/Off Sound output...
User Manual (ENGLISH) - Page 43

...button on the remote control. 2. Press the ▲ or ▼ button to select "Add to select "Favorite", then press the ENTER button. Press the ▲ or ▼ button to select "Channel", then press the ENTER button. Then press the ENTER button...to exit. Press the MENU button to (or deleted from Favorite"), then press the ENTER button. TV Channel 2. Antenna : Cable...
User Manual (ENGLISH) - Page 46

... improve the reception of fine-tuned channels. So, unlike analog channels, you will appear next to display the menu. Press the ▲ or ▼ button to exit. TV Channel Antenna : Cable ► Auto Program ► Clear Scrambled Channel ► Channel List ► Name ► Fine Tune ► Signal Strength ► Move Enter...
User Manual (ENGLISH) - Page 49

... Move Enter Return TV Position Move Enter Return Initializing the Screen Position, Coarse and Fine You can confirm the resolution configured for the PC. button. 2. Press the ▲ or ▼ button to select PC mode. 1. Preset: Press the SOURCE button to select "Image Reset", then press the ENTER button. button. 2. Press the MENU button to select "Position...
User Manual (ENGLISH) - Page 54

... This product is no remote control key input for longer than 1 minute while setting up or changed. When the Confirm screen disappears, your 4 digit PIN number. Press the EXIT button to 0-0-0-0 : Power Off. → Mute → 8 → 2 → 4 → Power On. .. Enter PIN Return TV V-Chip V-Chip Lock : Off ► TV Parental Guidelines ►...
User Manual (ENGLISH) - Page 57

...). • PG: Parental guidance suggested. • PG-13: Parents strongly cautioned. • R: Restricted. Pressing the ▲ or ▼ button will appear. Press the ▲ or ▼ button to select "V-Chip", then press the ENTER button. TV V-Chip Enter PIN *** 4. The V-Chip will appear. Children under age 17. • X: Adults only. • NR: Not rated...
User Manual (ENGLISH) - Page 60

... you forget the PIN, press the remote-control buttons in English only. The screen will ...Power On. Press the ▲ or ▼ button to select "Setup", then press the ENTER button. 3. Press the ▲ or ▼ button to select "V-Chip", then press the ENTER button. 4. Enter your 4 digit PIN number. If information is tuned to unlock all rating title How to Reset the TV...
User Manual (ENGLISH) - Page 64

... This feature adjusts the brightness of the TV in order to exit. The message "Scanning for USB... Yes No English - 62 Move Enter Return TV Setup ▲ More Energy Saving : OOff ff SW Upgrade L ow Medium High Auto Press the EXIT button to reduce power consumption. TV Rear Panel USB Drive 2. Please check the firmware version...
User Manual (ENGLISH) - Page 66

...", then press the ENTER button. 3. Searching Connections ► The time required to 2 minutes. If an external device is still recording, it is Turned Off 2. Move Enter Return Anynet+ Setup Anynet+ (HDMI-CEC) : On ► Switching to the selected devices may not turn Off Automatically when the TV is turned on the TV remote must be set to...
User Manual (ENGLISH) - Page 67

... users manual. English - 65 Example: When a DVD Recorder is set the Anynet+ (HDMI-CEC), auto turn off, and searching connections for a device supporting recording.) Shows the menu of the Anynet+ devices connected to the TV. TV Remote Control Buttons Available in the recordable state. You cannot control Anynet+ devices using a recorder. After switching to the...
User Manual (ENGLISH) - Page 68

... the Anynet+ setup menu. ■ Check whether the TV remote control is in TV mode. ■ Check whether it is terminated by disconnecting the power cord or a power failure), the "TV Speaker" may be set to On in the Anynet+ Setup menu. ■ Press the TV button on the TV remote control to switch to "On", then press the ENTER...
User Manual (ENGLISH) - Page 73

...Samsung is not liable for these kinds of accidents. Samsung is not liable for product damage or personal injury when a non-VESA or non-specified wall mount is turned on a ceiling or slanted wall, it may cause damage to the inside of the TV...product to follow the product installation instructions. If installed on . Product Family LCD-TV PDP-TV inches 23~ 26 32 ~ 40 46 ~ 52 57 57 ~ 70 80 ~ 42 ...

Samsung Knowledge Base Results

We have determined that the information below may contain an answer to this question. If you find an answer, please remember to return to this page and add it here using the "I KNOW THE ANSWER!" button above. It's that easy to earn points!

  • General Support
    ..." To avoid accidentally setting your TV to Shop Mode, avoid pressing and holding the Menu button on the left side of your TV for about seven seconds. Again, if your TV does not have a side panel, press the Volume button on the remote) down for removing your TV to the "TV" You may be highlighted if...
  • General Support
    ... signal. Press the Menu button on your remote to select Reset, and then press the Enter button. remote to your TV's memory, press the Enter button on your remote. See the user's manual... steps: Turn on the broadcasting station conditions, even though the Signal Strength screen indicates your TV is with over -the-air analog digital reception, Set your TV. The ...
  • General Support
    ... Source button on your computer to use your TV serviced. The TV may be using its power management system. If You Are Using Your TV Strictly As A TV If you need to watch is turned on , the TV may be using its power management system. The Power Light On My LCD TV Is Blinking And The Screen Won't Go On. Turn the TV off...

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