Question about Toshiba TP50H60 50" Rear Projection Television

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TV has power but no picture on the screen

TV has power when it is turned on but no picture on the screen and no sound

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  • Wong Jeff
    Wong Jeff Apr 23, 2017

    https://www.Abctay.com is an online shop ,
    We sell television and electrical accessories,all kinds of TV power supply board, logic board, TV LED screen,
    TV LCD screen, mobile phone screen, as well as various types of electronic tools,tv parts power supply,LCD,ccfl ,
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    Infineon,industrial LCD,industrial control, sharp monitor,vigor plc,delta, mitsubishi lcd,omron plc,etc.?

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Https://www.Abctay.com is an online shop ,
We sell television and electrical accessories,all kinds of TV power supply board, logic board, TV LED screen,
TV LCD screen, mobile phone screen, as well as various types of electronic tools,tv parts power supply,LCD,ccfl ,
LED,OLED,lcd panels,HMI,Inverter,LCD screen,lg screen,display screen,lcd monitor,lg lcd, lg monitor ,flat screen ,
touch screen,hmi,bulb,samsung, innolux ,Mitsubishi,philips, hitachi,auo,innolux,Planar, toshiba, siemens,chi mei,Weinview,
Infineon,industrial LCD,industrial control, sharp monitor,vigor plc,delta, mitsubishi lcd,omron plc,etc

Posted on May 05, 2017

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Tv has power but no picture on the screen
TV has power but no picture on the screen - /uploads/images/tv-power-but-no-picture-screen-34715334-2-1.jpg

Posted on Nov 26, 2014

  • Wong Jeff
    Wong Jeff Apr 23, 2017

    https://www.Abctay.com is an online shop ,
    We sell television and electrical accessories,all kinds of TV power supply board, logic board, TV LED screen,
    TV LCD screen, mobile phone screen, as well as various types of electronic tools,tv parts power supply,LCD,ccfl ,
    LED,OLED,lcd panels,HMI,Inverter,LCD screen,lg screen,display screen,lcd monitor,lg lcd, lg monitor ,flat screen ,
    touch screen,hmi,bulb,samsung, innolux ,Mitsubishi,philips, hitachi,auo,innolux,Planar, toshiba, siemens,chi mei,Weinview,
    Infineon,industrial LCD,industrial control, sharp monitor,vigor plc,delta, mitsubishi lcd,omron plc,etc.?

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TV has power when it is turned on but no picture on the screen and no sound

Posted on Sep 20, 2009

  • Wong Jeff
    Wong Jeff Apr 23, 2017

    https://www.Abctay.com is an online shop ,
    We sell television and electrical accessories,all kinds of TV power supply board, logic board, TV LED screen,
    TV LCD screen, mobile phone screen, as well as various types of electronic tools,tv parts power supply,LCD,ccfl ,
    LED,OLED,lcd panels,HMI,Inverter,LCD screen,lg screen,display screen,lcd monitor,lg lcd, lg monitor ,flat screen ,
    touch screen,hmi,bulb,samsung, innolux ,Mitsubishi,philips, hitachi,auo,innolux,Planar, toshiba, siemens,chi mei,Weinview,
    Infineon,industrial LCD,industrial control, sharp monitor,vigor plc,delta, mitsubishi lcd,omron plc,etc.?

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Posted on Jan 02, 2017

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Vizio 42", have picture for about 5 mins then screen goes black.


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Turn tv on. green light solid display, no picture or sound


The flashing green light is likely indicative of a self-test failure, indicating the TV has detected some sort of internal fault. With no picture or sound, one strong suspect is the power supply. Flat-panel TV's have an internal DC power supply that converts the inbound AC current, and when these fail, or are unable to supply a minimum level of power to the set, it can behave as you describe, providing only enough power for the green light to illuminate.

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I turn my tv on the picture and sound all work and after about 20min the picture goes to a black screen and I still have my sound. I turned the tv off wait about 5 min turn it back on the picture come on...


If you have electronics experience - check the power supply and make sure you are getting the correct voltage to your inverter boards and main av board - also do you see any movement on the screen take a flashlight and shine on the screen - if you can see a dark image on the screen check inverter boards and power first.

thanks,

michael

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2 Answers

Hitachi tv no picture or sound.


my hitachi projection tv 53uwx10b screen is black with no sound or picture when the power button is on

Dec 29, 2009 | Hitachi 53UWX10B 53" Rear Projection...

2 Answers

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

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1 Answer

No Picture, No Sound While Watching


Resetting the TV
If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.



LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:

Symptom: No picture on screen but LCD TV still has sound.
Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound.
Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture
Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound
Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits
Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright
Solutions: The problem is cause by defective LCD Panel.It needs to be replace.


Hope it may help you;

Regards;
VOTIT

Jan 29, 2009 | RCA L37WD250 37 in. LCD HDTV

1 Answer

Turning on TV


It could be because you've got dry solder points on your tv's board, try resoldering the dry points.

Feb 02, 2008 | Philips 27PT5445 27" TV

1 Answer

Sound, but no picture


Had the same thing today. Iwas playing with the auto demonstration of on screen displays. Press and hold the power button (5 seconds) on the TV. The auto display will play. Press the power button again (TV will go off). Turn power on again. you should now have the picture back

Nov 14, 2007 | Hitachi 53FDX01B 53" Rear Projection...

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