Question about Mitsubishi VS-50605 50" Rear Projection Television

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VS-5061 -- BLACK SCREEN

While watching TV last night screen suddenly went comletely black. TV is avout 13 or so years old and I've had it serviced once to replace a video module?

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  • Joe E Sep 09, 2008

    Screen intermiitnetly goes black. If I turn it off for a bit, returns just fine. Getting audio but no video.

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  • Master
  • 927 Answers

Good Day, petterk;
Try resetting TV by unplugging from the A/C outlet for3 to5 minutes. This a 1994 Model, you can't new boards from Mit's. Try this:
1). CHECK FOR 1200 VDC AT PIN 1 OF CONNECTOR "DK". IF LOW OR MISSING CHECK R5D9 100 OHM 1/2 OFF PIN 1 OF THE FLYBACK ON THE MAIN PCB. 2). CHECK IC401 PIN 8 FOR 28 VDC IF MISSING CHECK R510 1.2 OHM 1/2 W OFF PIN 5 OF THE FLYBACK. IF OPEN IC401 PART # 272P239050 MAY BE SHORTED. BOTH ARE ON THE MAIN PCB. 3). CHECK FOR SHORTED OR LEAKY Q2H0, IF BAD APPLY FOLLOWING CIRCUIT CHANGE TO CORRECT. ON FOIL SIDE OF PCB-SIGNAL, SOLDER A 1S2471 DIODE CATHODE TO BASE OF Q2H0 AND ANODE TO EMITTER. LOCATED ON PCB-SIGNAL AT IC201 PIN 2. PT # 264P045040 AND REPLACE Q2H0 PART # 260P559030. 4). CHECK C2H1 100 UFD 35 V C2H2 1 UFD 50 V AND C2H3 47 UFD 35 V OFF OF Q2H1 IN THE SPOT KILLER CIRCUIT ON THE SIGNAL PCB. Good Luck, big IRISH. PS: or call for service, Cost average repair about $500.00, you do the math maybe it's time for a new TV. G.L.

Posted on Aug 30, 2008

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