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Samsung LN40A550P3F Support Question

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Question posted by Danargrs973 on December 8th, 2012

My Samsung Turns Itself Off And On By Itself What Is The Problem

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Answer #1: Posted by TVDan on December 8th, 2012 6:58 PM
This answer was accepted by the poster of the original question.
TVDan

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remove the back and check for capacitors on the power supply that has the top puffed up slightly. If you find any, replace them. These parts (capacitors) are available at places like Radio Shack. you can either replace them yourself, or take the power supply board and the capacitors to a local TV shop and they will likely charge $20 to replace them for you. The power supply is the module that the AC cord plugs into, and the value of the capacitors is printed on the side. Normally the bad ones are rated at 10vdc-16vdc and they could be 1000 to 2200 microfarads. These capacitors will look like a cylinder with a silver top. Google bad capacitors on LCD HDTV and you will see massive amounts of data.


there is another option since Samsung has a class action suit for this issue on your model. See the Alert concerning "capacitors".

http://www.samsung.com/us/support/owners/product/LN40A550P3FXZA

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Related Samsung LN40A550P3F Manual Pages

Open Source Guide (ENGLISH) - Page 1

... offer warranty protection in exchange for questions regarding open sources, contact Samsung via Email (vdswmanager@samsung. and that you receive it . These restrictions translate to certain ...program normally reads commands interactively when run, you may differ in detail to address new problems or concerns. Thus, it , under Section 2) in object code or executable form under...
Open Source Guide (ENGLISH) - Page 1

.... 10. The precise terms and conditions for questions regarding open sources, contact Samsung via Email (vdswmanager@samsung. This License applies to any other system and a licensee cannot impose that..., agreement or otherwise) that you ". You must cause any part thereof, to address new problems or concerns. But when you distribute the same sections as part of a storage or distribution ...
User Manual (ENGLISH) - Page 2

...televisions. The license only covers the use of the product. For the location of a SAMSUNG Authorized Service Center, please call toll-free: In the United States : 1-800-SAMSUNG (1-800-726-7864) In Canada : 1-800-SAMSUNG...to the TV screen • Do not display a still image on the LCD panel for more information on warranty terms. Precautions When Displaying a Still Image A still ...
User Manual (ENGLISH) - Page 4

...(Not available in all locations) Cover-Bottom (LN32A550P3F: BN63-04207B) (LN37A550P3F: BN63-04437B) (LN40A550P3F: BN63-04437B) (LN46A550P3F: BN63-04374B) (LN52A550P3F: BN63-04374B) Stand Stand Screw (M4xL16) Cleaning...Adjustable picture settings that can be stored in the TV's memory. • Automatic timer to turn the TV on and off. • A special sleep timer. • Excellent Digital ...
User Manual (ENGLISH) - Page 62

...TV's firmware in the future. OK Cancel English - 60 Please contact the Samsung call center at 1-800-SAMSUNG (726-7864) to select "SW Upgrade", then press the ENTER button. Upgrades...turn on the side of the TV. It may take up to 30 seconds. 5. The message "Upgrade version XXXX to 30 seconds." Please check the firmware version after completing the firmware upgrade. TV Side Panel...
User Manual (ENGLISH) - Page 63

...Run various functions from damage or loss of data. SAMSUNG is not responsible for any data file damage or data... is supported. ➣ Photo and audio files must be a USB Compatibility problem. ➣ Before connecting your device to the TV, please back up your... Music Play: - Return to TV mode. HDMI IN3 TV Side Panel USB Drive ➣ If you are not supported.) ➣ Please...
User Manual (ENGLISH) - Page 86

...the Fine tuning. Move the computer's mouse or press any key on . The TV won't turn on the keyboard. Ghosting on the screen. Check the antenna connections. Adjust the Brightness and ...channel. Make sure the TV is too low at 1-800-SAMSUNG. Try connecting Component cables instead. If none of possible problems and solutions. No sound or sound is plugged in the ...
User Manual (ENGLISH) - Page 89

... position display will not work when Anynet+ or WISELINK is operating. ➣ LN37A550P3F, LN40A550P3F and LN46A550P3F models are not compatible with the wall mount. ➣ For product installation ... button to reset. Press the Blue button. When attaching to display the menu. TV Rear Panel Auto Wall-Mount EX-LINK Cable (Not supplied) Setup V-Chip Caption External Settings ►...
User Manual (ENGLISH) - Page 95

Not responsible for typographical or printed errors. © 2008 Samsung Electronics America, Inc. Some dimensions are not necessarily to scale. English - 93 Refer to the dimensions prior to change without prior notice. Dimensions LN40A550P3F TOP VIEW JACK PANEL DETAIL 3.5"H X 9.0"W 3.6 39.2 34.9 19.7 24.7 27.0 23.9 11.8 FRONT VIEW / SIDE VIEW 7.9 (200 mm) 7.9 (200 mm...
Quick Guide (ENGLISH) - Page 11

... cable broadcasting receiver, VCR, etc.). The TV operates erratically. The TV won't turn on the screen. Black bars on the image. HD channels sometimes broadcast Standard Definition...to have a problem, first try operating it again. Compare these troubleshooting tips apply, call Samsung customer service at maximum First, check the volume of possible problems and solutions....
Quick Guide (ENGLISH) - Page 11

...while. Clean the upper edge of possible problems and solutions. Make sure the broadcast you must be adjusted on the box, not your nearest Samsung service center. HD channels sometimes broadcast Standard ...check: Power, Signal Cable. No picture or sound. Snowy picture. The TV won't turn on the screen. "Not Supported Mode" message. Adjust the horizontal and vertical position. ...
User Manual (ENGLISH) - Page 2

...rights are granted under certain intellectual property rights of light emission on nonexpanded standard format television video and programming, should be limited as the dark sidebars on the screen. No ... as Proof of Purchase must be in -home or on the LCD panel for commercial use by a SAMSUNG Authorized Service Center. Other countries The product unit accompanying this user manual...
User Manual (ENGLISH) - Page 4

...-subscription HD broadcasts can be stored in the TV's memory. • Automatic timer to turn the TV on and off. • A special sleep timer. • Excellent Digital ... With a built-in all locations) Cover-Bottom (LN32A550P3F: BN63-04207B) (LN37A550P3F: BN63-04437B) (LN40A550P3F: BN63-04437B) (LN46A550P3F: BN63-04374B) (LN52A550P3F: BN63-04374B) Stand Stand Screw (M4xL16) Cleaning Cloth ...
User Manual (ENGLISH) - Page 62

TV Side Panel HDMI IN3 USB Drive...upgrade. Upgrading the Software Samsung may take up to 30 seconds. 5. The message "Upgrade version XXXX to version XXXX? Please contact the Samsung call center at 1-800-SAMSUNG (726-7864) to...: Off PIP SW Upgrade ► 4. Press the ENTER button. The system will turn off and turn on the side of the TV. Press the ◄ or ► to not disconnect...
User Manual (ENGLISH) - Page 63

... the TV. If not, the files can not be a USB Compatibility problem. ➣ Before connecting your device to the TV, please back up... the cursor and select an item. Check the connection status." SAMSUNG is not responsible for any data file damage or data loss.... them from the Photo and Music menus. HDMI IN3 TV Side Panel USB Drive ➣ If you are not supported.) ➣ Please...
User Manual (ENGLISH) - Page 86

...too low at 1-800-SAMSUNG. English - 84 Remote control malfunctions. Digital broadcasting screen problem. The image is High ...Definition (HD). Picture has a Red/Green or Pink tint. Try another channel. Unplug the TV for 30 seconds, then try this list of the remote control (transmission window). Your cable box may need a firmware upgrade. The TV won't turn...
User Manual (ENGLISH) - Page 89

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User Manual (ENGLISH) - Page 95

Refer to the dimensions prior to scale. Not responsible for typographical or printed errors. © 2008 Samsung Electronics America, Inc. Dimensions LN40A550P3F TOP VIEW JACK PANEL DETAIL 3.5"H X 9.0"W 3.6 39.2 34.9 19.7 24.7 27.0 23.9 11.8 FRONT VIEW / SIDE VIEW 7.9 (200 mm) 7.9 (200 mm) REAR VIEW NOTE: All drawings are subject to change ...
User Manual - Page 4

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User Manual - Page 7

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Samsung Knowledge Base Results

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