Question about Samsung Televison & Video
You will need a schematic, a signal generator, voltmeter, oscilloscope, test leads, circuit tester, formulas, know ohm's
laws, electonics formulas and the laws, and how circuits work and perform under normal use. what is open, or shorted or and normal.
transistor working knowledge and testing procedures, where to place test leads, what type of signal should you see at the point where you test lead is located, is square wave, sign wave, frequecies, length of the signal, duration, time in seconds, testing resistances, capacitance, inductance, decibels reference levels,
metric conversion table, multiply by, convert to, into, conversely, multiply by,resistor color codes, capacitor color codes, transformer color code, electronic symbols and abbreviations.
this what a serviceman needs to know and a lot more information.
Posted on Apr 23, 2015
Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Posted on Apr 23, 2015
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Posted on Jan 02, 2017
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