Repair of Computer and Video Monitors
#monitor repair
#video circuits
#computer hardware
#display technology
#troubleshooting
#electronics repair
#CRT/LCD
#signal processing
#power supply
#component testing
No description available.
power How can I switch a high current with a low-rated switch
The project involves designing and constructing a breadboard power supply that draws power from an ATX-like switch-mode power supply (SMPS) using a 4-pin Molex connector. The design features a switch to select either a 12V or 5V output. However, the...
Power Supply Monitor /Memory Protector
This circuit detects low-voltage supply conditions, down to 0.6 V. Diode D1 sets the trip point of the circuit. The circuit is useful for protecting memory circuits from accidental writes during low-voltage power supply conditions, which can cause other circuits...
0-12V 2A power supply
This project has two options. It can be a mains operated project, using a 2155 or 2156 transformer or it can be connected to a plug pack. We recommend it be connected to a 16v AC 1 amp plug pack...
Switching power supply monolithic switching regulator DN-25 configuration
As shown in the figure, the DN-25 IC is a switching power supply. The DN-25 is a monolithic switching power supply device suitable for medium output current applications and a wide voltage range. Its main performance indicators include an input...
Industrial fuel oil furnace controller circuit diagram 2
The industrial fuel oil furnace controller circuit consists of a power supply circuit, a testing and ignition control circuit, and a control implementation circuit, as illustrated in the accompanying diagram. The power supply circuit includes a step-down capacitor (C6), a...
Structural analysis of switching power supply
A daily switching power supply primarily provides direct current (DC) power to electronic devices. The required DC voltage for electronic devices typically ranges from several volts to over ten volts, while the input voltage from the mains supply is either...
2 watt switching power supply
This compact switching power supply utilizes a Schmitt trigger oscillator to control a switching transistor, which provides current to a small inductor. When the transistor is activated, energy accumulates in the inductor, and this energy is subsequently released into the...
Switching Regulator Circuit
This example presents a switch DC regulated power supply circuit designed for buck-mode +5V applications. It consists of a power supply circuit, an impulsator, a voltage sampling or pulse width modulation circuit, and a buffering driver circuit, as illustrated in...
Dragon -ZL-2801A DVD machine type switching power supply circuit
The Dragon ZL-2801A is a DVD machine that utilizes a switching power supply circuit. The circuit primarily consists of an AC input circuit, a rectifier filter wave circuit, an oscillation circuit switch, a switch transformer (Tl), a secondary rectifier, and...