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My RCA L42DWD22 does not turn on unless we unplug the tv then it turns on for bout 3 seconds we hear sound but it wont turn on and then it shuts down and has a red light flashing 5x over and over again.
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Main system control memory IC fault. Replace it.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
The PS3 can be hooked up to the tv using either a HDMI cable or the old RCA (Yellow, Red, White) cables. If you are having problems viewing a picture or hearing sound, here is some trouble shooting you might want to try.
Connect the PS3 using both the HDMI and RCA cables. select the HDMI input on your tv. turn on the PS3. If you cant see a picture, press and hold the power button until you hear 2 beeps (this will take about 15 seconds). This resets the PS3 to the old RCA cables. Select the RCA input on your tv. Hopefully you can see the image and hear the PS3 now. Go to the settings on the PS3 and change the display settings to output video through the HDMI. Remember, your tv can only go as high as 1080i resolution, so you wont see anything if you select the 1080p resolution.
If this didn't work, you might have a bad signal though the HDMI cable. Unplug the tv and PS3 for atleast 30 minutes, and then connect the PS3 to the tv before you turn either one on.
If this doesn't help, then you might have a HDMI cable that isn't recognized by either your PS3 or your tv. Try replacing your HDMI cable.
Their is no more you can do. You need a professional. Stop using the TV until it is repaired. Continue to use the TV and your problems WILL multiply. Call the manufacturer to find you nearest authorized service center.
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MR. TV Sales & Service Inc Milwaukee, Wisconsin 53405 (414) 762-8600 Established 1974
remove all the electrical wire connections from the back of the tv .remove the power plug from the electrical outlet and wait for two minutes and replug the wire and then ckeck.it should work.
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IF you would like help diagnosing your set. Go to the enclosed link. They have the service manual for your set and offer unlimited chat support for only 29.99. Just click on your sets manufacturer and you will see your model. Then click on the contact us link and provide your email address and they will email your manual and instructions on how to obtain your support. I am one of their techs. This manual contains step by step procedure for troubleshooting Your RCA DLP Light Engine http://servicemanuals.vstore.ca/
The T.V. has no lamp, it has 3 guns red,blue,& green. Unplug the lead that goes to the high voltage splitter(make sure t.v. is unplug). Then turn the t.v. back on if you hear the H.V. lead making a hissing sound continuously most likely the h.v. block needs to be replaced. Follow the lead from the flyback to the h.v. splitter, this will be the lead that unplugs at the splitter.
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