Re: Samsung B2330H Dead
If you look at the spec of the IC, as you can see, pin 6 receives the start up voltage from the main power supply. Whne the IC starts running successfully, the IC will get the sustaning voltage from one of the winding of the transformer which wil be used to generated the DC voltage for the IC VCC pin 3 (just think of your car, once the car starts running you can disconnect the batteries since the alternator will take over and generate the voltage for the car), as you can see, there is the 47uf cap just the same as your monitor (Most manufacturer will just copy the circuit from the IC manufacturer). Waht you can do to find out if the IC does even startup or not when the power is first applied to the unit is to attach resistor (1,000 Ohms) in series with the LED across the 47uf cap, you should see the LED flashes which wil indiacte that the IC did try to start up. So try that first.
If you look at the spec of the IC, as you can see, pin 6 receives the start up voltage from the main power supply. Whne the IC starts running successfully, the IC will get the sustaning voltage from one of the winding of the transformer which wil be used to generated the DC voltage for the IC VCC pin 3 (just think of your car, once the car starts running you can disconnect the batteries since the alternator will take over and generate the voltage for the car), as you can see, there is the 47uf cap just the same as your monitor (Most manufacturer will just copy the circuit from the IC manufacturer). Waht you can do to find out if the IC does even startup or not when the power is first applied to the unit is to attach resistor (1,000 Ohms) in series with the LED across the 47uf cap, you should see the LED flashes which wil indiacte that the IC did try to start up. So try that first.
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