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the circut that detects the bulb has been also failing in these sets
and the conversion chip that controls the picture , and the transformers are not putting out the full power they are supposed to.
this set will need to be tested to determine the exact cause or causes
Hi, Is it Mitsubishi WD-52628 TV? please confirm model number. Unplug TV from AC outlet for couple of minutes, replug back in, turn power ON and check, still same problem? Lets read error code in TV, press Device and Menu buttons on front of TV at same time for 6 seconds that will activate error code read process. Led will flash in 2 sequence with half second pause. count it and let me know the error code to proceed. Thanks.
SYMPTOM: Power LED does not stop blinking after plug in. CURE: Check C81A2, C81A3, C81B3 and C81B4 (1000 uFD, 16V, 105C) on the DM PCB. Check C8F19, C8F21, C8F22 and C8F27 (1000 uFD, 16V, 105C) on the FMT PCB. If any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C). this is what we at the shop check first. it is quite common. on the power supply board look for swelled up capacitors
Press the input/device button and the menu button at the same time. Green LED will blink a two digit code blink 1st digit short pause blink 2nd digit longer pause and repeat. Any number of problems can cause this same symptom.
If the red LED your refering to is the Status LED and not the Lamp LED then you have big problems. A red Status LED indicates no communication from the Format board to the DMD board (light engine). 1/2 the time caps on the format board itself the other 1/2 must send entire electronics package to Mitsubishi.
The sensor is located on or near the lamp compartment on the back side. If your lamp keeps blowing it may be the lamp cooling fan not working. However are you sure the lamp is blowing? Press menu and device on the front control panel both in together for 5 seconds and see if the led blinks a two digit code, then let me know the code. Please respond to this same post.
Try pushing the Imput and Menu buttons in together on the set and hold for 5 minutes and see if it blinks out a two digit code. Then let me know. Also these sets have a tendency to have some faulty capacitors on the DM board. Hope this helps youout.