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Posts tagged Main Board

I have a LCD32HDMI TV of whrfedala, not working?

Mahendra R asked: I Have a LCD32HDMI, it’s power supply is working fine but when i connect with main board 12v goes down to 1.2 v or low. what is the problem in main board.or you have the circuit diagram of this board 17MB15E-3 board

Electronics Circuit Refrigerator Door Alarm

Electronics Circuit Refrigerator Door Alarm Parts: R1______________10K 1/4W Resistor R2_____________Photo resistor (any type) R3_______________2M2 1/4W Resistor R4_______________1M 1/4W Resistor C1______________10µF 25V Electrolytic Capacitor C2_____________100nF 63V Polyester Capacitor D1____________1N4148 75V 150mA Diode IC1,IC2_________7555 or TS555CN CMos Timer ICs BZ1___________Piezo sounder B1____________3V Battery

Circuit Symbols of Electronic Components and two basic symbols were

Circuit Symbols of Electronic Components

audio amplifier class d

audio amplifier class d audio amplifier class d Using KA2213 audio amplifier class d audio amplifier class d

PIC16F84 circuit , for LCD Nokia 3510i

PIC16F84 circuit , for LCD Nokia 3510i

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