SOURCE: Sony KDL-40S20L1 Flashing Standby Led, No pic, No Sound
Hi, If all else fails, try do a hard reset. You can verify from your manual, but in some units, this is merely unplugging the unit from mains for a couple of hours. Try again, if it still shows error codes (blinking lights) you probably have to seek the services of a qualified professional. Hope this be of some help/idea. Good luck and kind regards.
SOURCE: 52 RCA DLP 1080P Television with NO picture and buttons flash
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/
SOURCE: Optoma EP755 new lamp when power standby button
you need to reset the lamp timer, usually done by holding some buttons while turning on
SOURCE: the red standby light flashes and when the power
One of the boards (module) has a short on it, and or the power supply itself is failing.
The service center will find the fault using the process if elimination. They will replace the bad boards or modules as required to get the set working again.
Jerry G.
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I also have no sound so you're saying the backlight will calls 10.4 volts at the 5 volt power board prong.?
"Cause 10.4 Volts".?
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