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Samsung 153v troubleshooting power liquid crystal, such as solving problems of the type CRT. This monitor has no sign of power. When you have to repair this type of food, I suggest you first remove the transformer switching. Then test each component of the primary zone to perform the additional secondary zone. You have to be good at basic test of electronic components to detect the disorder.
You can still browse the filesthrough my website only if you try does not know how basic electronic components. If you do not select the right way, I do not know, you can lose a defective component and will not be able to resolve the problem. After careful consideration of all components in the electricity sector, I found the filter capacitor is not a reading of the meter with digital capabilities (open) merging the two towers has also slowed, 1N4744 Zener diode circuit of 15 volts and Finally, the IC powerTOP247F blown! Tests for primary switching power supply with a tester from Dick Smith flyback shown in green bars indicate good management.
What we were here, the secondary diode and capacitor filtering. After checking with analog meters and bill-ESR, they found all in good condition. Other sectors, such as the motherboard and the card sees inverter) in (failure rarely able to contribute to these two environments. Now, we have confirmed that only five components deemed defective. One after 'components have been replaced (except for backup) and just before turning on power, make you connect a 100 watt light bulb for the live-ac-line, see pictures on my site. Once that is done you can then display on the LCD brightness of the lamp to look for.
If it is very clear, this means that there is still some short circuit in the power supply. If you run, walk or down, you can now get your red probe to the secondaryCheck whether these DC to their respective line. If the DC voltage output, you can turn off the power, the discharge of filter capacitor (for security reasons), remove the bulb and connect the new backup the original location.
You are now a hundred percent sure that the LCD will not get the power to collapse as soon as you turn on you. Due to the nature of the filter capacitor of 105 degrees Celsius, and can lead to replace the 85 type C, another may openafter using for a few weeks or months. Ventilation in the LCD monitor is not as good as the CRT, since the food is completely covered with aluminum foil large and can become hot very quickly. Conclusion on the need for 153v power supply Samsung LCD or other brands of LCD monitors repair, the procedure is the same. Who knows the problem of power in this monitor is a common mistake, and in future you can handle this brand of power as soon as possible.To measure the electronic components is not so difficult, but the original parts, as IC POWER consume a lot of time.
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