TV will come on for about 1 minute and turn off. Status lamp say lamp fault (lamp has been replaced twice). Press the re-set button on the front panel, no differentWith rear panel removed, I can see the lamp come on for about 30 seconds and turn off. I press the "Device" and "ENTER" togather, the "Power/Timer" lamp flashes once then twice, repeating for about 10 seconds. Just before the trouble started the screen started showing intermittent flashing streaks across the screen and the tv seem to have lost it's brains. Found this doc but not enough help http://www.acrobatfiles.com/mitsubishi/193-2311-pdf.html
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Try a reset. Start by unplugging for 1 minute, then plug back in & if still won't restart try the following. If none of the following work, you will need a technician.
Initializing the TV in many cases can remedy a problem.
In the 2006 product line Initialization is now a user function.
Pressing the front panel "INPUT' and "FORMAT"
buttons at the same time activates Initialization. When
complete all user settings will have to be set again. The
table in Figure 4-3 list the User Initialization procedures.
Note: Pressing INPUT and FORMAT is the same as
the Initialization in the Option Menu (MENU-2-4-7-0)
Order Name Procedure Results Notes
1 System Reset Press <System Reset>
on Front Panel
Hardware & TV operating
POWER/Timer LED flashes for 60
seconds. No customer settings
2 User Initialization
Press <INPUT> &
<FORMAT> on Front
Panel at the same time.
All customer Audio &
Video settings are reset to
All customer settings will need to
3 Reset System
From the remote, press
All customer settings
except V-Chip are reset to
Netcommand, Channel Memory,
etc., will need to be re-configured.
PROCEDURE 4 Initialization
From the remote, press
select "INITIAL" press
All customer settings are
reset to factory default.
All customer settings will need to
MITSUBISHI RESET / INITIALIZATION CHART
The front panel LEDs, refer to Figure 4-4, also assist in
determining the cause of a symptom. Figure 4-5 illustrates
normal LED operation. Figure 4-6 shows the
LEDs response when a problem is detected and indicates
the possible cause.
Off Off Off Off (standby)
fast Off Off Initialization (10 - 65 seconds)
Off Off Blinking
green fast Lamp runs for 1 min after PTV off
Green Off Off Power On
Blinking green Off Off Power On Timer is set
NORMAL LED INDICATIONS
Power LED Status LED Lamp LED Condition
High Temperature - check ventilation air flow.
(Temperature sensor is disconnected.)
Off Off Blinking yellow Lamp cover is open.
Lamp failure (Lamp fails to turn on)
Off Off Red (Lamp turns off after lighting)
Lamp is broken
Off Blinking Red Off Fan Stop
Off Red. Off Circuit failure. (Run Error Code Check)
Hello Look at the number of blinks of the status light.  If it blinks at one cycle (0.5seconds On and 2.5seconds OFF) : Lamp cover error or lamp housing error. Replace the lamp cover or lamp housing correctly.  If it blinks 2 cycles (0.5 seconds ON and 0.5 seconds OFF): Temperature error. The projector is overheated. Move the projector to a cooler position.  if it blinks at 4 cycles (0.5 seconds ON and 0.5 seconds OFF): Fan error. Fans sill not work correctly.  If it bliks at 6 cycles (0.5 seconds ON and 0.5 seconds OFF): Lamp fails to light. Wait a full minute and then turn on again.  If it blinks continous (Red): Lamp has reached the end of its life. Lamp replacement messege will be displayed. Replace Lamp with same type and number. After replacement reset lamp hour. OK.
Hi, Turn On tv. Press and hold Volume Down button on TV Front and PIP/ SPLIT button on Remote at same time for 6 Seconds to reset Lamp Timer and tv will show you timer reset message screen. Hope this info will help you. Thanks.
Sometimes the same symptom can be caused by the lamp driver (ballast) failing. Also make sure the lamp door and filter door are fully closed. Unplug for 1 min to reboot. When it turns on, you will hear the fans (airflow sound) and then colorwheel spin up (high pitched) and finally the lamp will fire. If the lamp is bad, you will hear the spark gap make a buzz sound for 1 second.. it will retry a few times before shutting down
1) Press the POWER button to turn your TV on. Make sure you are set to Cable/TV reception. If the "replace lamp. Reset Lamp timer" notice appears, press "EXIT" on your remote. 2) Press and hold the VOLUME DOWN BUTTON on the TV set (not the remote, the actual TV set) 3) Continue to press and hold the VOLUME DOWN button and press and hold the PIP (Picture in Picture) or SPLIT/PLAY button on your REMOTE control (your are pressing and holding BOTH of these buttons at the same time now). 4) After 5 or 10 seconds (be patient), the lamp serice menu will appear and say your lamp counter has been rest to '0' (zero). That's it, you are all done.
Now, I continue to have the power shut off after a few minutes of play. I think it is a problem with the cooling fan. Damn it all anyway.
DLPs have flow chart trouble shooting techniques to pinpoint exactly why your set isnt completeing the boot sequence. If you would like the service manual for your model let me know and i will post a link where you can purchase a complete one.