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My tv keeps going on standby and have to be turned off manually....happens regularly

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  • 196 Answers

Check to see if the 'sleep timer' has not been activated by accident...

Posted on Oct 29, 2008

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The TV keeps going into standby mode , comes back to proper picture and with-in 15-20 seconds goes back into standby mode. It happens continueously.


Hi,

May I know if the standby led light at the front panel is blinking, if so please count how many times it will flash to determine the error code? If not follow the steps below.

In standby mode press the button of the remote control in sequence, " Display ", " Channel 5 ", " Vol (-) ", " Power ". Self diagnosis screen will displays. Le me know the result.

Jdvillanueva

Sep 02, 2011 | Sony Grand WEGA KF60XBR800 60" Rear...

1 Answer

The stand by light keeps blinking, this has happened before but then the TV came on. What to do as it has been blinking for a long time now.


The self-diagnostic function of the projection TV will cause the STANDBY light to blink or flash when the television detects an issue. The number of times the STANDBY light flashes corresponds to a specific issue. As per the two examples below, some of the issues may be resolved without the need for service.
  • If the STANDBY light flashes three times in sequence, the lamp cover is not securely attached. Reattach the lamp cover to resolve this issue.
  • If the STANDBY light flashes four times in sequence, the TV may be overheating. To resolve this issue, ensure that the back of the TV is well ventilated.
If the flash sequence is not listed above or the light continues to flash, follow the steps below to perform a power reset:
  1. Turn off the television. IMPORTANT: For a projection TV that uses an internal lamp, wait 5 minutes after turning off the TV to allow the lamp to cool before continuing with the following steps.
  2. Unplug the TV power cord from the electrical outlet.
  3. Let the TV remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the TV is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the TV.
  5. Turn on the television. NOTE: If the TV does not turn on immediately, the fan may need to finish its cycle. This is part of the cooling process for some projection TVs and is normal operation. After the fan turns off, attempt to turn the TV on again.
If the issue is still unresolved after following all of the troubleshooting steps,service may be required. Please note the number of times the STANDBY light flashes and relay that information to the service center.

Nov 15, 2010 | Sony Projection Televisions

1 Answer

HI MY SAMSUNG TV KEEP GOING ON STANDBY WAT SHOULD I DO


Sounds like your tv thinks there is no input, and then automatically goes to standby. Be sure that a valid signal is coming from your source and then turn on the TV. You may also try different input ports.

Oct 06, 2010 | Samsung HLP5085W 50" Rear Projection...

1 Answer

Does not turn on the power green ligh keep flashing no picture and no sound


Hi.

If after the fault the TV went in standby and does not wake up, then the TV has on protect mode after detecting a fault.
When this happens higher voltages are shut down to prevent further damage

In that case follow the troubleshooting here Why my TV does not start up and remains in standby.

The best way to contact an authorized technician is by ringing the phone number listed on the owners manual.

Try first the troubleshooting proposed in link above. If that does not work, ring Panasonic customer service.

Regards.

May 11, 2010 | Panasonic PT-61DLX75 61" HDTV

1 Answer

It keeps flashing between flashing lights regards


Hi.

The TV stays in standby because protection circuit kicked in.

Protection kicks in when an internal fault had been detected.

In your case the SCART cable may have caused a short.

When on protection the TV will stay in standby, will not respond to buttons or remote, and will not start up.
All higher voltages from PSU get shut down by controller board, and only the +5V remains on.

To attempt resetting the TV, disconnect all video cables, disconnect the power cord, wait about one hour and plug it back.

If TV does not restart, then there may be an internal fault.

In that case leave TV unplugged for longer, just in case.

If still no luck, then call Sony to discuss a repair. The number is listed on your owner manual.

If instead TV will restart, do not use the faulty video cable again, this can damage your TV.

Regards

Nov 06, 2009 | Sony Projection Televisions

3 Answers

Ilo tv model lct27ha36 does not go from standby to on


Are you doing this thru your remote? Did you try to manually turn it on thru the button of your tv?

Aug 01, 2009 | Projection Televisions

1 Answer

KP-51WS520 wont turn on - standby & timer lights on constantlly


You need to check supply volts on main micro IC702 on main board of Sony KP-51WS520 TV.
If you have experience of big TV repair then I would recommend to get service manual of TV from any online store and check above said IC supply volts. TV must give error by blinking light in case any problem in drive circuits and if main micro fried, no error signal will be there.


Dec 05, 2008 | Sony KP-51WS520 51" Rear Projection...

2 Answers

TV and Vedio-Projection televisions


what i would do is crack into the tv and watch the individual parts being careful not to unplug anything while you take the back panel off.....turn it on and see what happens. let me know what happens

Sep 30, 2008 | Projection Televisions

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