Question about Sanyo Televison & Video

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I have a Sanyo DP42142 hdmi TV that won't turn on. The green power light came on then turned off after a few seconds. I tried tuning it on multiple times and now the light doesn't turn on.

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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Posted on Dec 08, 2016

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  1. Turn on your TV.
  2. On your Tune In remote, press TV and release.
  3. Press and hold Set until the green light on Tune In blinks once, pauses and then blinks twice. Now release the Set key.
  4. Enter the first three-digit TV code for your Sanyo from the list which follows:
    154, 159
    These codes are listed in order of popularity, and the green light will blink twice if you perform this procedure correctly.
  5. Aim Tune In at your TV and press Power. Your TV should turn off. If it does not, repeat steps 2-5, trying each code listed in step 4 until you find the one that operates your TV.
Now Test Your TVWhy test? Many times more than one code appears to work. Testing is desirable to be sure you have the correct code for your TV or the other devices you are setting up.
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  2. If your TV does not pass the test, return to Step 2 at the top of this page. Enter the next three-digit code and repeat the process.

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