Question about Toshiba 40H80 40" Rear Projection Television

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Toshiba 40pw03b stuck on standby

Hi my toshiba tv 40pw03b is stuck on standby with red LED only can you help ntsure were the IC is or the pcw is if you can describe to me i might be abel to fix thankyou

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  • Anonymous Mar 14, 2009

    i have got a toshiba 40pw03b which is stuck on standby
    can anyone shed any light on this ...also do i need the remote as it got stood on accidently ,it still lights up but not sure if its working now ...ordered replacment...did yuo sort yours ronny_21 ?



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The red light comes on and off tv dont work

Posted on Aug 01, 2008

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Posted on Jan 02, 2017

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Wont turn on red blinking light


How many times this standby/power light blinks at one time switch ON? Count it carefully. These blinks are fault indication, and known as blinking codes. From the number of blinks occur at one time switch ON; you can get an idea about the faulty circuit stage inside the TV. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/. If the blinks continues, and non-stop, the fault should be with its main system control IC, and with the memory IC.

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TV goes to standby What can we expect to pay to fix it?


HI:
Count the number of red blinks on the power led, if it is 6 or 7 blinks then pauses and then does the same amount of blinks then ther is a problem with 2 IC's that needs replacing on the D board. To repair this including parts should not cost more then $150.00.

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I'm having trouble with my Toshiba 42HL196 TV. It won't power on. There is a flashing red light on front. I've read the manual and done everything it suggests with no success. I've checked inside the tv...


SYMPTOM: Won't turn on or intermittently won't turn on, Red LED Flashes.

CAUSE: Loss of Main Switched Power Sources. Standby power is OK.
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I have not repaired this particular model. But sometimes there is an IC they refer to as a standby IC. It may also be known as a controller IC. I call it the powerline regulator. And in one case the older Sony Projection TV had an audio output IC with a standby built into this IC. So,this advice is refering to a standby IC. And this IC may be in another form already mentioned. Please visit a Sony Tech. The work inside a projection TV is very complicated, you will need to see the specialist. Give them this note and go from here. Let me know how they handle the repair.Thanks for asking and good luck!

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1 Answer

No power or red led fuse good .toshiba 27df46


Hello Hloggins, hi, your power supply is not producing the pulse needed to start the switching. check for the IC on the oscillator part of the power supply, you need an Oscilloscope to test this. if there is no scope. i suggest you replace the IC.

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1 Answer

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Led blinking Three times means B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672.
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