Toshiba 36HF71 has sound but no picture

Question 1

0answers

Hey my Samsung tv has a red flashing light after power is pressed ( standby has a red constant light) the red light will flash 5 times and then turn off. No picture but there is sound on red light flash...

Be the first to answer Jun 28, 2019 • Samsung Televison & Video

0helpful

1answer

No picture or sound

Hi,

Looks like a power supply issue the only solution to fix this up is to get it repaired.

Goodluck..

May 03, 2008 • Toshiba 32HFX72 32" TV

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1answer

Toshiba 36HFX72 power button flashing

Not sure right off bat, however unplug it from the wall for three or four minutes plug it back in it might reset it?

Apr 28, 2017 • Toshiba 36HFX72 36" TV

0helpful

2answers

Picture & sound go on & off every sec, red light blinks 5 times

helloFive blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

shaun

Oct 25, 2009 • Sony Grand WEGA KDF-55XS955 55" Rear...

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1answer

55" TV keeps shutting off automatically

Green light flashes 5 and then red light flashes 6

Sep 14, 2009 • Sony KDF-E55A20 55 in. LCD Television

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1answer

No power to TV - No Screen - No sound

check the fuse, I found my had blown and that's what it was sort of. Light doesn't flash any more but nothing comes on

Aug 10, 2009 • Toshiba 32HFX72 32" TV

1helpful

1answer

Picture and audio cut in and out.PWR/STBY button 5 red flashes

Look at this link on the bottom to see what the blinks tell you.

http://www.agoraquest.com/viewtopic.php?forum=70&topic=31721

Mike

Jun 20, 2009 • Sony Grand WEGA KF50WE610 50" Rear...

1helpful

3answers

Toshiba 57H81 Flashing Red Power Light, Blown Fused F850+F852

Solved by resoldering some solder joints!!!!!!!
********
Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001

Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852

Symptoms January, 2009:

Upon turning on set I got flashing red power light and nothing else.
Removing plug for one minute and plugging in results in:

Audible click, steady red power light for 2 seconds then slow flashing red light
Pushing power button results in steady red for about 2 seconds then slow flashing red light, no other set activity

Removing power cord for several hours and plugging back in made no change

Audible click, steady red for about 2 seconds then slow flashing red light

Possible related note: Over past several months occasionally the entire screen would flicker momentarily and at other times be problem free for weeks.
Fuses F850 and F852 found blown

Repairs Made:

PD0074 DEF/CON Power Board

There are two main power supply capacitors in this set. They are C-809 and C-810. One their negative lead on the printed circuit board re-soldered leads and nearby contacts. I’m told that because the factory left out a printed circuit board eyelet, the connection will come loose over time. When I called Toshiba customer service they said there was a known solder joint problem causing blinking red light.
Replaced blown fuses F850 and F852.

I actually installed a fuse panel on the inside of the cabinet and routed the fuse connections here instead of ordering the special fuses and replacing them on the circuit board.
Had to use a 5 Amp SLO-BLOW for F850. Fast blow does not survive power up. Get the red blinking light.
Used a fast blow 2 Amp for F852.

PD0073 SIGNAL Board

Re-soldered Q751 + Q752 STK392-110 Convergence Amps
Re-soldered adjacent pads that looks suspicious

Total Cost to Repair about $10

Twelve hours of my time over three days to research issue, disassemble set, make repairs, add fuse panel.
Already owned Service Manual and Circuit diagrams from a different 2004 repair.
Less than ten dollars at Radio Shack for fuses and fuse panel. Already had wires, etc.
Some solder. Already owned de-soldering tools, etc.
Visited both local authorized Toshiba factory service repair facilities. One said repair would have to include replacing Q751 + Q752 STK392-110 Convergence Amps with ST392-180, and realigning set for a total of $500+ and it would be more if they had to order a power board. NO THANK YOU! Other shop said $65 for site visit and $30 to make an estimate that could be applied to repair.

Jan 04, 2009 • Toshiba 57H81 57" Rear Projection...

1helpful

2answers

Won't come on

hy i got a toshiba 42" LCD tv ,when i press the power boton
iget the red light,& it stay that way ontil i pressthe power back off
thanks for any help

Jun 26, 2008 • Toshiba 62HM95 62" HDTV

4helpful

2answers

No picture or sound - Power Save light blinks red 5 times - nothing on the screen

i also have the same problem with the flashing green light for a while then a different red light starts blinking on and off around 5 times....and i replaced my burnt bulb with a new one...still no picture.

Oct 24, 2007 • Sony Grand WEGA KF50WE610 50" Rear...

Question 2

Anonymous

Contributor 2 Answers
Posted on Jun 14, 2009

Anonymous

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Joined: Jun 09, 2009

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Same problem with mine. Relays click, sound, no picture and a flashing power LED. I finally found a schematic online. I went through the high voltage circuits and found the power transistor 2SC5570 was shorted out. There is also a pico fuse in that area but my was not open. I replaced the transistor and prayed the flyback transformer was not shorted. It wasn't, I'm watching my old 36" right now. Not a bad fix (17.00) bucks. Wonder what a service tech would have charged ;)

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Toshiba 36HF71 has sound but no picture

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Hey my Samsung tv has a red flashing light after power is pressed ( standby has a red constant light) the red light will flash 5 times and then turn off. No picture but there is sound on red light flash...

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Toshiba 36HF71 has sound but no picture

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Anonymous

Add Your Answer

Attachments: Added items

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Hey my Samsung tv has a red flashing light after power is pressed ( standby has a red constant light) the red light will flash 5 times and then turn off. No picture but there is sound on red light flash...

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Picture & sound go on & off every sec, red light blinks 5 times

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Picture and audio cut in and out.PWR/STBY button 5 red flashes

Toshiba 57H81 Flashing Red Power Light, Blown Fused F850+F852

Won't come on

No picture or sound - Power Save light blinks red 5 times - nothing on the screen

Not finding what you are looking for?

36HF71 36" TV

Hey my Samsung tv has a red flashing light after power is pressed ( standby has a red constant light) the red light will flash 5 times and then turn off. No picture but there is sound on red light flash...

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