...organization and functionality of the power boards.This is what we ourselves step on when repairing - LG often does not publish schematics for power boards and sustain boards.contact us if ...
...power up to the green "on" status, and would turn back to stand by after a minute or so. I tried to let it discharge for well over 12 hours and still nothing. Any ideas? Hello Big Bristow, It sounds ...
...power? Hello SuziCanevaro, This may have been the sound of electrolytic capacitors exploding. I would not suggest plugging the set back in until you can have it checked by a qualified TV technician. ...
Question about LG Televison & Video
...schematics for this power supply board is available? 2. There is any way to test the leds with an external power supply? 3. There is anyway to buy this power supply board online? Thanks for your time ...
...generator (to generate reference signals for servicing the TV) Now if you know how to use these pieces of equipment your are ready to start, if not again I would advise you to have the set checked by ...
Question about Samsung Televison & Video
...power supply boards; irrespective of its brand and screen size. you will need a schematic, a signal generator, voltmeter, oscilloscope, test leads, circuit tester, formulas, know ohm's laws, ...
...Power Supply Board for the TV itself. The flashing 7 times is a code for a technician look at a certain circuit path for the malfunction. If you have some electronic experience and you want to repair ...
...generator (To provide proper reference signals) an Isolation AC power supply (To prevent shorting out the test equipment while testing the TV set) These are the basic pieces of test equipment needed ...
power) 4) Oscilloscope (To measure and view waveforms for testing) 5) Pattern generator (To create a reference testing signal) Now if you know what these pieces of equipment are you will need them, if
Question about Samsung Televison & Video
...power board or another board causing this.Trouble shooting requires testing voltage, waveforms with a scope and schematic and signal generator---if only happens from time to time guessing can get ...
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