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Archives for November, 2017

How to test flyback transformer tv

Flyback Regulator Circuit How to test flyback transformer tv using LM2577ADJ, LM385, 4N27 How to test flyback transformer tv, crt tv no power, horizontal ic function, how to repair crt tv pdf, crt tv power supply circuit diagram pdf, how to repair tv power supply board, universal power supply for crt tv, b+ voltage in […]

How to fix crt television color problem

How to fix crt television color problem Crt tv voltage test points CRT TV Circuit board using 1815, 1015, C2482, C2483 How to fix crt television color problem crt tv voltage test points crt tv screen problems crt picture tube charging circuit crt picture tube repair crt tv heater voltage crt filament connections crt pin […]

Power Amp 10.000w circuit diagram

Power Amp 10.000w circuit diagram Power Amp 10.000w circuit diagram using TR BC546, MJE350, MJE340, BD681, A968, A1494, C2344, C3858, +70 vOLT, 70V Output Power ……………. 10.000w Watt RMS into 4 ohms 8000 Watt RMS into 8 ohms Frequency Response ………. 7 Hz to 56KHz at+0dB -3dB Input Sensitivity ……….. 1,2 Volt RMS (for 300 […]

More circuit headphone amplifier

More circuit headphone amplifier using IRF610

DUAL LED LEVEL METER DRIVER

5 DOT circuit for DUAL LED LEVEL METER DRIVER using KA2281 5 DOT circuit for DUAL LED LEVEL METER DRIVER using KA2281 5 DOT DUAL LED LEVEL METER DRIVER The KA2281 is a monolithic integrated circuit consisting of a 2-channel LED level meter driver which was disigned for use in stereo radio cassette tape recorders […]

Audio Amplifier Circuit using TDA7231

Audio Amplifier Circuit using TDA7231

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