Tip & How-To about Televison & Video

My television does not start up

Hi.

If there is no power at all, no led on, and no sign of life whatsoever, that means that the problem is either the power cord, or the internal power supply board.

In that case test the TV using a different power outlet (eventually use an extension). If the power cord is fused, like in UK for example, then check and replace the fuse in the power cord.

If instead the TV stays in stand-by, with the LED light on, but does not respond to remote, or to the buttons on the chassis, then the TV is in protect (safe) mode because an internal fault had been detected.

In that case the TV is probably faulty.
Follow the troubleshooting on this article: Why my TV does not start up and remains in...

If that does not work, contact the manufacturer at the number listed on the owners manual to get the TV repaired by a licensed technician.

Regards.

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when switching on...clicks, but no pic and red light flashing... must reset by switching powerswitch off than on..this went on sporadically for 4yrs..now samething happend accompanied by a loud pop and now no pic at all, no matter how many times I "reset"...heard Pioneer had a free replacement policy for powersupply board on these and other models, but not now...HELP!


Hi Pepe.

Only when there is no power at all, no led on, and no sign of life whatsoever, that means that the problem is likely the internal power supply board.


If instead the TV stays in stand-by, with the LED light on and flashing, but does not respond to remote, or to the buttons on the chassis, then the TV is in protect (safe) mode because an internal fault had been detected. In this case the fault is not necessary the PSU. Parts must be tested to find out. The clicking sound is the protection circuit that keeps turning off the PSU to prevent further damage.

If the problem is the PSU, often it is possible to see at a glance that one of the big electrolytic capacitors in PSU board has blown.

General troubleshooting on this article: Why my TV does not start up and remains in... . I do not think it will help in your case.


If that does not work, contact the manufacturer at the number listed on the owners manual to get the TV repaired by a licensed technician.
Pioneer covers the PSU or other parts even out of warranty only when a determined factory defect concerning that model and year had been reported by a number of technicians.
To find the contact see:
USA:Pioneer Electronics
Contact us - Pioneer Europe
Pioneer Electronics Asiacenter
Contact Us - Pioneer UK
contact us - Welcome to the pioneer global media Website

Regards.

Feb 18, 2010 | Televison & Video

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no signs of power on my gateway mt3705


The power supply provides only 48V (or what ever is listed on the back) but the computer breaks out +12 -12 +5 -5 etc and if that power regulator is damaged it will not come on.
Remove the battery and unplug, hold the power button on for 2-3 minutes, plug in ONLY the power cord and press the power button.
Most likely if you don't get any text on the screen the internal power regulator/converter is damaged.

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