Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Slow blinking red light

Help! This tv will be two years old at the end of next month. We have replaced the lamp, done a system reset, and still have this slow blinking red light............Mitsubishi support is no help and I have a service repairmen scheduled to come out Sept 27 - was the soonest! Any ideas?

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  • bbowling Jan 02, 2008

    We have the red light blinking. Is there any relevence that it blinks 3 times a second a part but the 4th blink is about 3-4 seconds? Does that indicate what the problem is?



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Yes you can first try this:. Red status LED, self-diagnosis error 44, check for open F9A06 on the Power PCB part # 283P128050 on the Power PCB 2. Red lamp LED, self diagnosis error 34. 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 # 930B921002 3. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature, this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds 4. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector LE pin 3 and 4 on the Control PCB, if low suspect problems with the switches/buttons on the Control PCB part # 935D776001 5. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector LE pin 3 and 4 check good. Suspect the E2P PCB part # 934C121001 6. LED does not stop blinking after 70 seconds of plug in. Disconnect the USB connector from the card reader to the front from the Chassis, if the unit will then boot up replace the Card Reader part # 299P271010. 7. LED does not stop blinking after 70 seconds of plug in. Disconnecting the USB connector from the Card Reader did not help. Suspect the DM PCB part # 934C116002

Posted on Sep 11, 2007


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