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Sansui 15″ CTV Model: CTVB2B15-P powersupply problem,TV not switching on,replaced C4460, issue stil persists?

Raj asked: Hi, I have a Sansui 15″ color TV Model: CTVB2B15-P. It automatically switched off. When checked, fuse was blown out, I tried replacing the fuse, but it again blown out, so suspecting the problem with SMPS, I further checked and found that C4460 transistor (or STR) was short and replaced it, and now […]

Satellite Camera Controller with a PC and Motorcycles, this is the circuit diagram schema

Satellite Camera Controller with a PC and Motorcycles, this is the circuit diagram schema The back EMF voltage spikes produced by stepper motors (particularly higher voltage motors) can damage your PC’s printer port if connections are made incorrectly, fly back diodes are absent or connected in reverse, etc. The safest options are opto – isolated […]

Op amp using IC M5152L and LA4440

Op amp using IC M5152L and LA4440 Op amp using IC M5152L and LA4440

Sweeping Tone Alarm Beeper

Sweeping Tone Alarm Beeper using 4069, TIP29C, NECD882

Popular Vibration circuit

vibrators circuit Vibration Activated Switch circuit using 4069UB, ZVP2106

Single Chip 60W Audio circuit

Single Chip 60W Audio circuit using LM3886

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