Question about Mitsubishi WD-73827 73" HDTV DLP TV
Green light flashes then goes out and the TV turns off. No picture and no sound comes from the TV. Any suggestions for repair?
Have you activated the self check this set has that will indicate what error was picked up?
Posted on Dec 20, 2012
on the signal board replace the caps by the 5/9 volt regulators. c2p04 is the main culprit. 6 caps in total can be changed. I believe c2p05 also.
Posted on Dec 15, 2007
its an easy repair however i would recomend not even attempting the repair without the service manual as the DLP chassis is completely incased and you will need the info just to get the chassis out , That will explain exactly how to disassemble. once disassembled there are 4 100uf capacitors that are causing the problem. If you would like the full service manual for your set let me know and I will post a link where you can get it emailed and they will provide free support to help you do the repair.
Posted on Mar 29, 2008
When TV does not start, and sometimes you hear a clicking noise, that means that the TV is on protect mode.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.
If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.
If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on Apr 21, 2009
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