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DIY SMPS power supply

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China led tv repair Standby problem

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DSO at Clipping indicator Testing

Diy Clipping Circuit

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convert to basic amplifier circuit and bias dco voltage adjust

Repair sakura Av735 walang sounds

Quasi to Complementary amplifier

Carrier Inverter Aircon Blinking On and Off

Paano mag repair ng amplifier

amplifier Schematic diagram upgrade

Amplifier Voltage upgrade 12vac to 502 34vac

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DIY testing speaker protect at amplifier

koppel na walang power paano ayusin

Sakura 502 Repair Challenge Part II

Sakura 502 Repair Challenge Part I

Quasi Amp na junk Repair

DIY Amplifier Stereo design

Paano Gumawa ng Amplifier PART II

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Testing DIY speaker Protection circuit

Basic Aircon Board Repair