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First, the sound works, but the screen is blank but flashing a smear of reddish image on a regular basis. Now, the green light has gone off, and nothing is coming through for sound or screen, but there is a red flashing light that flashes in a sequence of seven flashes, an extended pause, and then seven more flashes, etc.
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Yeah, replace the set since it appears to be trashed. But if you have a few bucks lying around you might want to try replacing the unit's power supply to see if that resolves the many issues you have.
Sounds as though the system may have overheated. Do you regularly check the filters and clean them? An airduster can also help to blow dust out of hard to reach places.
Mitsubishi TV troubleshooting Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds. The Power light will start to flash in a two digit sequence. For example, 3 flashes, then 7 flashes = 37. Here are the error codes, and the corresponding problem: 12 = No error detected, check power supply. 32 = Lamp Cover is open. 33 = Air filter cover is open. 34 = Lamp abnormality 36 = Light Engine (DMD or Lamp Fan stopped) 37 = Exhaust or Lamp Ballast Fan stopped 38 = Lamp Temperature High 39 = DMD Temperature High 41 = Short is detected 44 = DVI cable between FMT and Engine disconnected
These are typical symptoms of a faulty LCD cable or screen inverter board. The
LCD cable transfers data signal from the motherboard & video card
to the LCD screen. It also supplies high voltage DC power to the screen
inverter board. The screen inverter board works as a power supply for
the backlight lamp mounted inside the LCD screen. It converts low
voltage DC power to high voltage AC power needed for the backlight lamp. As for the cost, I would suggest a search on ebay.com
Here's something that might also be useful. After you turn on
the set, and get the regular red blinky lights, hold down the Device
and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.
For example, 3 flashes, then 7 flashes = 37.
Here are the error codes, and the corresponding problem:
12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected
It could be the a problem with the lamp ballist circuit, or just a bad lamp socket, or simply a bad lamp. The only way to tell is to call out a servicer as that would be alot less expensive then to get a new lamp and then that not be the problem. These problems can be a little hair pulling at times, thats why i have no hair left!! LOL Good Luck
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