Question about Samsung LN-R408D 40 in. LCD HDTV

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Tv will not turn on on the first try

The tv will cycle on and off for roughly 6 times until it actualy comes on.
(samsung40"hdtvlcd)

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The mainboard is going bad. If you were to disconnect the cable from power board that leads to the mainboard you'll get the same result, power cycling. Replace it before it causes damage to the LCD controller board.

Posted on Jan 03, 2009

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Posted on Jan 02, 2017

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Instructions
1
Turn on the Vizio TV.
2
Aim the Jumbo Universal Remote at the Vizio TV and hold down the "Code Search" button on the remove for roughly 3 to 5 seconds. The LED lights on the Jumbo Universal Remote will come on.
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Press the "TV" button at the top of the Jumbo Universal Remote.
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Start pressing the "ON/OFF" button repeatedly until the Vizio TV turns off. (This took only a few tries for my Vizio TV)
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Press "Enter" on the remote immediately after the Vizio TV turns off to save the code.
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Test the Jumbo Universal Remote by trying to control the Vizio TV with the remote. If the control doesn't work with the remote, repeat the entire process.

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Try unpluging your T.V. for 5hours+, then turn it back on. Worked for It's called a "hard reset" by sony.

Otherwise
Do the following steps
  1. Check the Sony remote for a button labeled "Sleep." This allows you to cycle through the sleep settings and determine how long you want the TV to remain on.
  2. Step 2 Press the "Sleep" button. You'll see a number come up onscreen: usually 15 or 90. When you press it again the number changes, moving up and down in increments of 15. This is the number of minutes the TV will remain on before it goes to sleep. As you cycle through it, you should see a setting with the words "Sleep Off" appear onscreen. If you leave it there, the sleep setting should cancel, allowing you to turn the set off when you like. If you miss it, just keep pushing the "Sleep" button. It will continue to cycle through the options until "Sleep Off" appears once again.
  3. Step 3 Access the timer function to shut off the timer by pressing the "Menu" button, then cycling through the onscreen options until you reach the "Applications" setting. Press it, and then cycle through to the "Clock/Timers" option.
  4. Step 4 Highlight the "Timer 1" setting and press the "+" button. If it's showing a given time, you'll need to deactivate it. Use the up and down arrows and move through the possible options until you come to the "Off" setting. Leave it there; that should shut the timer off.
  5. Step 5 Repeat the process with the "Timer 2" setting, a little further down the "Clock/Timers" menu. Set it to the "Off" position just as you did with the "Timer 1" setting.
  6. Step 6 Press the "Menu" button when you are done to exit the menu and return to the screen. You should be able to view the Sony TV as normal with no danger of it turning off.

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1 Answer

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phone_header_def.png saveupto_a.png phone_callnow_def.png DIRECTV Specials DIRECTV Packages DIRECTV Receivers DIRECTV DVR DIRECTV HD DIRECTV vs. Cable DIRECTV vs. Dish DIRECTV Sports Home > Remote Codes DIRECTV Remote Codes remote_codes_header.jpg TV CODES VCR CODES DVD CODES STEREO RECEIVER CODES
STEREO AMPLIFIER CODES DIRECTV RECEIVER CODES

Program TV Code
1. Turn on the TV.
2. Locate the 5-digit code for your TV.
3. Slide the MODE switch to the TV position.
4. Press and hold the MUTE and SELECT keys at the same time until the green light under the TV position flashes twice, then release both keys.
5. Using the number keys enter the 5-digit code for your brand of TV. If performed correctly, the green light under TV flashed twice.
6. Aim the remote at your TV and press the PWR key once. Your TV should turn off. If it does not turn off, repeat steps 3 and 4, trying each code for your brand until you find the correct code.
7. Slide the MODE switch to the DIRECTV position. Press TV POWER. Your TV should turn on.

Program DVD, VCR, Stereo Receiver, and Stereo Amplifier Code
The AV1 and AV2 switch positions can be setup to control a VCR, DVD, STEREO, second DIRECTV Receiver or second

1. Turn on the component you wish to control (e.g. your DVD Player).
2. Locate the 5-digit code for your component.
3. Slide the MODE switch to the AV1 (or AV2) position.
4. Press and hold the MUTE and SELECT keys at the same time until the green light under AV1 (or AV2) flashes twice, then release both keys.
5. Using the NUMBER keys, enter the 5-digit code for the brand of component being set up. If performed correctly, the green light under the selected position flashes twice.
6. Aim the remote at your component and press the PWR key once. The component should turn off; if it does not, repeat steps 3 and 4, trying each code for your brand until you find the correct code.
7. Repeat steps 1 through 6 to set up a new component under AV2 (or AV1).

Unable to Find Correct Code
If you were unable to find the code for your brand of TV or component, you can try a code search. This process may take up to 30 minutes.
1. Turn on the TV or component. Insert a tape or disk if applicable.
2. Slide the MODE switch to the TV, AV1 or AV2 position, as desired.
3. Press and hold the MUTE and SELECT keys at the same time until the green light under the selected switch position flashes twice, then release both keys.
4. Enter 9-9-1 followed by one of the following four digits:
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6. Point the remote at the TV or component and press CHAN+. Repeatedly press CHAN+ until the TV or component turns off.
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7. Use the CHAN- key to step back a code.
8. When the TV or component turns off, stop pressing the CHAN+ key. Then, press and release the SELECT key.
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