Question about Mitsubishi WS-73713 73" Rear Projection Television

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73" rear projection Mitsubishi TV

TV won't turn on. Green light on front flashes continuously but never turns on. Have tried leaving it off overnight, but it won't reset.

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  • Jackalicious Sep 06, 2007

    Tried holding the menu button to reset, but didn't work. What happened was there was a wicked lightning storm, so we unplugged the TV but the cablebox was still connected. After storm was over, replugged TV and wouldn't come on. Just the flashing green light, however, sound and cable is working fine. Sub's fine, cable box, speakers, everything is fine except no picture or sound from TV itself. Looked into a repairman but can't come for a week or so. Do you think the relay switch might need to be replaced? The TV is 4 or 5 years old. Any help would be appreciated. Thanks!

  • bokel Nov 24, 2007

    we have the same problem. the green light just flashes.  the sound works just no picture.  had a repairman come in August and said he can't get any parts.  The TV  is only 4 years old.  Why no parts??

  • lamj Dec 24, 2008

    I have the same problem. The light just blinks ... No sound or picture.

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Heres a web site for replacement parts www.acme-sales.net/tvparts.htm I have a 50" tv look in to it & saw a sanyo integrated circuit

Posted on Nov 11, 2008

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1. Check for no 8.4 volts DC at pin 3 of PC9A10 on the Power PCB, if low or missing replace PC9A10 part # 268P058020. 2. LED does not blink at plug in. Check for 3.3-volts DC at connector RF pin 3 (system reset) if low or missing suspect the reset switch S7L20 part # 432P109010 on the Control PCB. 3. LED does not stop blinking after plug in. Verify the standby supplies, 12-volts at connector KA pin 17, 6-volts at KA pin 18 and the 28-volts at KA pin 19, if the supplies are present suspect the DM PCB part # 934C067002 4. LED does not stop blinking after plug in. Check C9B01, C9B02, C9B10, and C9B11 (1000 UFD 16) on the DM PCB, if they are bad replace them with part # 181P734030 (680 UFD 16 V). 5. 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 6. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector RF pin 4 and 5 on the Signal PCB if low suspect problems with the switches/buttons on the Control PCB part # 935D736001 7. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector RF pin 4 and 5 check good suspect the E2P PCB part # 934C061001

Posted on Sep 05, 2007

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