The bulb wire go to the ballast board, they do wear out over time but is usually down to capacitors, also depending on how much you watch the tv its about time to change the bulb as they only last a certain amount of time any way. when the tv is reset properly it will count down on time used. from new bulb. its only an estimate, if you are having difficulties seeing the screen the bulb is on its way out.
SOURCE: Replaced lamp and now can't get a picture
Hi Sally Jo, 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 # 939P977010 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 # 939P977010 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 # 939P977010 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 # 939P977010 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. Hope this helps!
SOURCE: Mitsubishi WD-52525 Lamp ballast
Contact Mitsubishi Parts themselves, 18005537278. They are very friendly.
SOURCE: Mitsubishi DLP - model #WD62725
you have mention that after 10-15 seconds T.V starts up, will you give total description of the T.V within that 10-15 seconds?
SOURCE: Mitsubishi DLP - model #WD62725
fixityrsel is wrong.
1 The "Airflow message"is just a bad connection and very easily solved.Mitsubishi has a service bulletin out and will cover the repair for free. Your set may not even have the defective connectors.
Your set was manufactured in 2004..Call any authorized Mitsubishi
servicer.
Capacitors are very easy to find! Any (105 degree) PC mount 3300uf@ 16VDC will work fine..and not bulge again..Higher Working voltage than the stock 10 VDC is what caused the problem with the caps.
Mouser electronic is one of hundreds of suppliers for those caps
Order online if you know for sure they are bad in your set.
Dan
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