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Simple Alarm Circuit using 12C509

alarm circuit diagrams Simple Alarm Circuit using 12C509, 2N7000, 78L05

Stereo Preamplifier with Bass-boost circuit diagram with IC TL062

Stereo Preamplifier with Bass-boost circuit diagram Parts: P1 100K P2 10K R1,R2 15K 1/4W R3,R4,R11,R12_100K 1/4W R5,R6 22K 1/4W R7,R8 390K 1/4W R9,R10 560R 1/4W R13 220R 1/4W C1,C2 330nF 63V C3,C8 100uF 25V C4,C5 10pF 63V C6,C7 4u7 63V IC1 TL062

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 […]

3v Touch Switch Circuit diagram

3v Touch Switch Circuit diagram using 4013B, ZVNL110A, B5138

Mic preamp circuit For Shure microphone

Mic preamp circuit For Shure microphone using NE5532

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