Protectors Circuit on SMPS (power supply)

The simplest example SMPS which still uses 3 transistors (C3807, A1015 and power transistors) classic problem that often occurs is: - Proble...

X-Ray Protector Circuits

A protector system that is applied at the beginning of the television technique, therefore most often found on old aircraft models. If the h...

TV Protect Circuit Dead or Damaged ?

Television set equipped with a circuit protector, then there are several possibilities that could occur if there is a problem on one of the ...

Track the damage capacitors elco with ESR meter

All technicians must have the same experience that the old models of aircraft generally have several common Elco its dry or down in value, m...

STV9380 and STV9381 Vertical efficient

STV9380 and STV9381 is a vertical ic-out which very efficient, so it does not require cooling (heat sink) as the vertical ic is generally. ...

SAMSUNG protect circuit with LA76931

Following is the protect circuit Samsung TV which use IC LA76931 as basic working the protect circuit. This Protect Circuit LA76891 located ...

Diode recovery time

Understanding the parameters of "diode recovery time" .For prospective technicians are still learning and inexperienced, they gene...

How to check TV Flyback

There are actually several kinds of tools that can be used for check whether flybak damaged. But we have a simple way we have always done fo...

Digital control system applications

Digital Control System  is a branch of the control system with continuous time processes in the region associated with the digital controlle...

Fluorescent lamp lights starter

Why fluorescent lamp light blinking before long? Because Fluorescent light removes electrons and hit the wall of a glass tube coated with ph...

40 Watt Fluorescent Lamps Diagram Schematics

This is a Circuits of fluorescent lamp with a power of 40 Watt - The ambit works abundant like the aboriginal Strobos. except that a beam...

Power Amplifier Protector

Now you can protect your HiFi amplifier from damage due to overheating. This circuit will cut off power to the amplifier board at the tim...

Phone busy pointer circuits

Phone circuits are busy pointer. A busy signal is a signal that indicates that someone is trying to call a phone number but could not be con...

Power Supply Failure Alarm

Most of the circuit power supply failure alarm circuits require additional or external power supply. However, this circuit requires no addit...

TV Vertical Protectors

Vertical Protectors (another term surge protector or Vertical CRT Neck Guard or protector) . If the vertical deflection does not work, then ...