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My sony plasma Monitor turns on and click's to standby and i have no picture

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  • Sony Master
  • 73,619 Answers

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here. ..

Posted on Dec 24, 2016

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: my plasma tv go's to standby while I'm watching it

I have the service manual and it has a lot of symptoms for your problem can you tell me exactly what happens when you first start the TV but it sounds like a scan converter problem This is what I got from the service manual page 4

4-2. Self Diagnosis Function

4-2-2. Criteria for Judgment of Abnormality

11. Detection of abnormality in communication with scan
converter.
(Name of this function on the service menu : OTHERS)
Warning when communication with scan converter
cannot be performed normally

or this could be it

14. Detection of PDP failure.
(Name of this function on the service menu : Nil)
PDP is suspected to be defective when DIGITAL 5 V
is normal among the voltages (VS, VA, DIGITAL 5
V) required to drive PDP while both VS and VA are
not inputted.
When all the following conditions are satisfied, the
machine enters once to the STANDBY mode then turn
the main power back on again.

1) DC 180 V power is 40 V or less.
2) DC 70 V power is 20 V or less.
3) DIGITAL 5 V is normal.

The above-described operation is repeated three times.
If the above three conditions are still satisfied, the PDP
is judged to be faulty and the main power is shut
down.

I can send you the manual if you want it

Posted on Sep 21, 2009

  • 1 Answer

SOURCE: Sony Plasma TV.

I have the same problem. since I have 3 of these TV's, I switched boards around, and I came to the conclution that is the power board. I will try to repair it, and I'll let you know the component that is bad. Gaston

Posted on Oct 31, 2009

  • 11 Answers

SOURCE: sony 42 inch plasma tv standby light just flashes tv

You might have a bad B board. What's worse is that the power switch is connected to the Q board which works in conjunction with the B board. Replace B board, You can send your B board for repair to a company called modus link pts. They are the largest part supplier of after market parts and repair.

Posted on Apr 07, 2010

eagle338
  • 4889 Answers

SOURCE: lg model 42pm4m plasma monitor won't turn on, red

Does the tv make a clicking noise like its trying to turn on before the tv goes into standby and the LED starts flashing? I suspect this is due to a shorted component, most likely to be in the 5V(switching) line and just want to be a bit certain before we start testing the power supply.

Posted on Jul 31, 2011

diodeic
  • 1622 Answers

SOURCE: 42" plasma worked fine this

Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps

Posted on Sep 15, 2011

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