If issue was different from before you replaced the lamp---remove lamp cartridge and look to see the place where it plugs in that the 2 pin socket the lamp connects to is not out of position or got bent when you replaced the lamp.
A reset if it has it is a recessed tiny button on front control strip up front--those when plugged in will blink (green) for 70 seconds and go out and then set can be turned on.
General: the set will shut down for a lot of reasons-----from a lot of dust inside on the fans (this one should have 3 fans) and I have seen it not allow the set to come up and then shut down---the sets intake a lot of dust thru the front and if the fans get coated the set will detect one or more are not turning at the correct speed, turn the lamp off and shut the set down.
Let me know what you find and give me more information if possible.
SOURCE: WD-62327 Lamp
Unit powers on and works properly for a while then shuts off with a red lamp LED (lamp error). Suspect bad lamp part # 915P020010 2. Lamp enable line at J14 pin 6 does not switch to 5 volts after turn on, 12 and 5 volt supplies are good. Suspect the Light Engine part # 939P977020 3. At power on the lamp turns on and off three times and then the unit shuts down with a red lamp LED (lamp error). Replace the Light Engine part # 939P977020 4. Check for 12-volts DC at J-9 connector pin 4 on the Engine Driver PCB, if missing check for an open F9A09 on the Power PCB, if it is open replace F9A09 part # 283P127060 and the Light Engine part # 939P977020 5. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on but does not go back to 0-volts (low) after 5 seconds, 12 and 5 volt supplies are good. Suspect the Light Engine part # 939P977020 6. Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if missing replace the Power PCB part # 934C148001
SOURCE: Mitsubishi Wd-52525 HDTV Stutis light constant red
Here is the link to the manual if you need it; http://www.hdtvsolutions.com/pdf/MIT_WD-52525_WD-62525_WD-52725_WD-62725_Manual.pdf page 97 states that the lamp is the problem -(the flashing green just means startup - page 11) 14 months sounds about right for a new lamp if you use it a lot - that would be an average of 5&1/2 hours a day if the lamp went to 4000 hrs - although these lamps are more dependable than normal lamps, they can still fail anytime especially if they have been touched on the glass by accident while installing or cleaning, or if the tv is often switched on and off. The fact that there was no message on screen may mean that the lamp has not gone past the warning trigger number of hours - sorry i haven't found what that value is. page 95&96 gives all instructions how to replace lamps and where to get spares - if the price seems bad then search around - prices often vary a lot on these lamps. It is a little disappointing that mitsubishi where not able to diagnose this - please let them know that their technical service is poor in the hope that they try harder. I hope this helps :) Hope this helps :)
SOURCE: mitsubishi wd-62327 red light
1. Self-diagnosis error 4-4, check for open F9A06 part # 283P128050 on the Power PCB. 2. Self-diagnosis error 4-4, check for proper seating of the DVI cable between the FMT PCB and the DMD (Light Engine). It may be necessary to disconnect and reconnect this cable to insure proper connection. 3. Self-diagnosis error 4-4, if F9A06 is good and the connection on the DVI cable between the FMT PCB and DMD are secure, suspect the Light Engine part # 939P977020 4. Self-diagnosis error 4-4, check F9A07 part # 283P128050 on the Power PCB, if open suspect the Light Engine part # 939P977020 5. Self-diagnosis error 4-1, suspect the Power PCB part # 930B929001
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