Question about Toshiba 50H82 50" Rear Projection Television

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Tv shuts off

Tv goes off, read light blinks, have to unplugg tv to reset, happens multiple times before tv works.50" projection, mod.no.t250v612

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Hi,
Let me know exact model number and brand of your tv as T250V612 seems incomplete/ incorrect model number.
Model and brand info will help me to diagnose possible cause of problem.
Thanks.

Posted on Jul 31, 2010

  • 1 more comment 
  • jjussttired Aug 01, 2010

    I believe it is model no.TP50H95/TP55H95. Toshiba50" theaterview rear projection tv.

  • Shahid Electronics
    Shahid Electronics Aug 01, 2010

    OK, Toshiba TP50H95
    Get back to you shortly with possible cause of problem info.



  • Shahid Electronics
    Shahid Electronics Aug 01, 2010

    Check deflection section, specially horizontal deflection section and high voltage block in your tv.
    TP50H95 is 1989 model tv and I do not think its spare parts/ boards would be available any more.



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My HL-P5063W won't power on. I replaced the Digital Video Board and the lamp. When I power up the the TV, there are several clicks and never a picture. The lamp does not appear to getting any...


Did u ever replace the Ballast board for this tv?No?,that ur tv problems.The Ballast board only job are to ignite the tv projection lamp to make it work.U hearing multiple clicks,lamp never ignite up the Ballast board.

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1 Answer

I UNPLUGGE MY TV FOR 2 DAYS AND PLUGGE IT ON BACK


If the TV goes in standby, then it is in protection mode.

Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |


On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem

On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.

On Rear Projection : check lamp, lamp ballast, power board, and convergence.

On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.

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Blue screen and shut off by self


You will need to reset the Netcommand and tuner settings in the set. The little indented button in the front of the set needs to be pushed in (when the set is off). The front light will blink for about a minute or minute and a half. Then, reprogram the Netcommand settings. This should solve your problem. If you need more information, then, reply to this post and I will respond.

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