Question about Mitsubishi VS-45605 50" Rear Projection Television
When trying to turn it on, the green power light goes on and then off, but the screen does nothing. Why won't it turn on?
If the green light is not lighting up, you will need to check out the standby power supply inside the TV set, or if this set has a DM board, you will need to change the capacitors. Good Luck
Posted on Jul 14, 2007
This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source.
Posted on Oct 06, 2007
SOURCE: veertical lines
Put a fan in it. Something is overheating in the unit and by placing a small fan in the back, inside the back cover, the lines disappear. Hope it works for you, it did for me.
Posted on Oct 24, 2008
You've mad the right decison; fuses can fail due to metal fatigue as they flex a little each time current flows through them of ceases but a 2nd fuse is unlikely to fail instantly.
This indicates a true problem.
If you found the fuse, it was probably located on the main power supply board and this item has likely failed.
Look for an assembly number on that board and call a Mitsu service company and inquire about repair or replacement cost. Either one can range from ~$75 to $150.
It would be interesting to know if the fuse blew as soon as the unit was plugged back in or only when you tried to turn it on with the remote or power button on the set.
If it blew only by plugging it in, that power board is the culprit. If it blew as you tried to turn it on, it could be a failed 2nd power supply for the CRTs that is often located separate from the main supply where the fuse was.
About any E-tech could ferret out the which of the two is at fault so you might consider having a pro do the repair but if you know the failure sequence you might choose to gamble on making the decision yourself.
Posted on Jun 19, 2009
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