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My tv keep giving me the message. "No input detected TV will shut off soon" then it show the message a few more times then shuts off? Help

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Did this start out of the blue, were you watching it and it happened? Are you on a HDMI cable to a surrounded sound system?

Posted on Apr 25, 2017

Testimonial: "Yes I was watching , and it was out of the blue..no on surround system, I have checked the timer is off and now I am hoping its fixed after unplugging tv overnight"

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Hello, In the last couple of days my Sony TV (KDL32S3000) has been working fine for about 10 minutes then a message appears saying 'POWER WILL BE TURNED OFF BY AUTO SHUT OFF SOON' this message...


If this happening when TV is viewed then it is possible that the auto shut off is active as no signal is detected by the processor and so is instructing to shut down.
However this fault is related to a problem in the signal detection circuit, if this happens with the auxially circuit- play station- then some logic gate is faulty which needs to process and detect the signal.
Remove power for few hours and see if the fault resets, if not the circuit needs a technical review.

Jul 08, 2011 | Sony KDL-32S3000 32 in. LCD Television

1 Answer

When startin up it would show a message that air flow was blocked replaced the Thermal Sensor, now the timer lite blinks green then the lamp lite blinks yellow and the green light go out. I hav a new lamp...


Hi,

After the TV has shut down, without pressing reset: press and hold both the Device (Input) and Menu buttons on the front panel until the green light starts flashing. It will flash a two digit code: 3-4, 3-8, 5-7, etc. You may have to let the TV shut down a couple of times (without pressing reset) before it will give the code.

Please post the code to help me determine the section of the TV that has failed and what it will take to repair it. It may be a good idea to repeat the test a few times to make sure the TV is giving the correct code.

Let me know.so that we could proceed.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Apr 21, 2011 | Mitsubishi WD-Y65 65" HDTV

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GETTING MESSAGE TV WILL SHUT OFF SOON ON Sony trinitron, then tv turns off'


More than likely someone has inadvertently set the sleep timer to ON. That will cause the set to shut off, it kindly gives you a warning that it will shut off so your TV is more than likely just fine. Usually it can be turned off using the on screen menu and the remote control.

May 30, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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Panasonic TH-46PZ85U Plasma TV All 3 HDMI was working fine with cable box, PS3, XBOX360. I used to connect my pc to the tv with a dvi-hdmi cable, but recently unplugged it. So I tried to plug in the same...


Symptom:
TV shuts off unless all the input (phono and HDMI) cables are disconnected. The
symptom may be intermittent.
Cause:
There is an abnormal AC voltage entering the TV from one of the input cables or AC
outlet.
Remedy:
Follow the Testing procedure to determine if there is a problem external to the product.

Concept
Constant symptom
If the TV no longer shuts off when all input cables are disconnected, then one of the
input cables is introducing abnormal voltages into the TV. Panasonic Plasma TV sets
have 3 wire AC plugs.
As a result, abnormal voltages introduced into this TV will cause the TV to shut off for
protection.
Intermittent symptom
If the abnormal input voltage is borderline (marginal), the TV shut off symptom may be
intermittent. However the cause may still be detectable with a voltmeter.
Protection Proof:
Release the protect mode - the TV has to be unplugged to reset this protection circuit.

Threats from the HDMI input:
Excessive voltage from an HDMI cable connected product will activate the Plasma TV’s
protection circuitry. Placing an isolating / buffering connector (sometimes called a voltage
conditioner) between the TV and the HDMI input cable often solves the problem.
Testing -
Unplug all the HDMI inputs from the TV. Turn on the TV. Plug in the HDMI inputs one at a
time. The cable that causes the TV to enter the protection state is connected to the product
that has the excessive voltage (and signal). Avoid connecting this product until an isolating
connector is found.

Jan 27, 2010 | Panasonic Viera TH-46PZ85U Plasma TV

2 Answers

Screen shuts off. Power lite blinks. Aquos 42"


Hi,

Hope you have the correct resolution selected:

HD View Modes: When viewing an HD program you can select the following 4 viewing modes.
  • Stretch: suitable for viewing 1.78:1 DVDs. When viewing 1.85:1 DVDs, this mode will show thin black bands at top and bottom of the screen.
  • Dot by Dot (1080i/p only): detects the resolution of the signal and displays an image with the same number of pixels on the screen. When a 720p signal is being input, the image will be delivered in full screen.
  • Smart Stretch: suitable for stretching 4:3 programs to fill the screen.
  • Zoom: suitable for viewing wide-screen 2.35:1 aspect-ratio programs in full screen.
PC View Modes: You can connect the TV to your PC through the HDMI inputs to use the TV as a monitor. The following view modes are available in PC mode.
  • 4:3 Input Signal: You can select between Normal, Zoom, Stretch, or Dot by Dot.
  • 16:9 Input Signal: You can select between Stretch or Dot by Dot.
Also verify if you have set auto timer to 30 mins or so thats why the TV shuts down after a particular time.

Thanks

May 07, 2009 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

Tv turns off


sounds like a bad solder connection i usually fix these problems for a very fair price call tv shop but i'm 90% sure dad solder

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4 Answers

Blue screen - no signal - turns off [visio tv L42hdtv10a]


With out turning on the T.V., Push the [Input] button on the remote control. The TV should turn on and activate the input menu, just continue to push [Input] until it is set on TV (or HDMI, etc.). this should solve your problem.

Oct 29, 2008 | Vizio GV42L 42 in. LCD Television

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