Question about Mitsubishi WS-55807 TV
TV was working when I left the room; came back and it was off - I could hear clicking (like you hear when you would normally power it on/off), but the tv wouldn't come on. I unplugged and plugged back in and the green light on the front control panel would flash a few times then quit, and the clicking occured again. I left the tv unplugged all night, plugged back in today, and the green light flashed rapidly for a few seconds, I heard the clicking again, it stopped, and now I can't get it to respond at all by unplugging and plugging back in.
What's wrong, and is it worth fixing? This HD-ready tv is 6-7 years old...is it time to toss away and get a new HD plama or LCD?
The TV is on protect mode. The clicking sound is the protection switchthat keep turning the TV off to prevent further damage, this happenswhen a fault had been detected.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
Alsoensure that the fault is not coming from a faulty receiver box sendingbad signal, check if you get same problem with no receiver boxor dvd connected.
If that does not work, and you keep having a flashingled 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.
1Theinternal circuits are jammed because of electrostaticcharges accumulating on capacitors, or because of a wrong voltage readby the main chip on your monitor controller board. this started theprotection circuit.
2 The protection circuit detected a wrongvoltage 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 faultsthat can occur are a blown capacitor on power board, aconvergence IC has blown, or a fault on Digital board.
Check alsothe video cable or any external connection cable, if the cable is shorting, or the connector is bad, youcan 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.
If you want to DIY you find parts here,
Appliance parts, electronics parts & more from PartStore.com
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Electronic Replacement Parts: Plasma & LCD TVs, Appliances |
Posted on May 15, 2009
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