Stereo Headphone Amplifier

Circuit Skema Rangkaian - LM4910 belonging to the Boomer series of National Semiconductors is an integrated stereo amplifier primarily inten...

78XX and 79XX stabilizer with Desain Mini PCB

Circuit Skema Rangkaian - The stabilizer circuit of the IC 78XX and 79XX commonly used for voltage stabilization with a mini PCB design , an...

Adjustable Switching Regulator Circuit with LM2576

The  Adjustable Switching Regulator Circuit with LM2576 are monolithic integrated circuits that provide all the active functions for a step-...

5000 Watts High Power Amplifier Schematic

Circuit Skema Rangkaian -  High Power Amplifier has great advantages are 5000W ultra-light, high-power audio amplifier , without switching...

TDA2822 made for 5.1 audio amplifier system

Skema Rangkaian Circuit combination of the 3 IC TDA2822  above can be used for 5.1 audio power amplifier system with low power output . The ...

Skema Audio Power Amplifier with IC AN7106K

This Schematic must use the IC AN7106 because its'nt similarity, and some components. Minimum voltage is 1,8 Volt and Maximum voltage is...

600W subwoofer audio amplifier

Skema Rangkaian 600W subwoofer audio amplifier - This picture below is about my setup subwoofer amplifier with 20 CH mixer and parametric . ...

Troubleshooting STR IC Regulator Power Supply

A. Unable to start. Can be caused by: No start-up voltage supply Vcc or a voltage less than 16V Electrolityc Capacitors supply voltage Vcc f...

Workings of STR IC Regulator Power Supply

The meaning STR in this article for example is a Sanken regulator series and Fairchild series STR-F/G/W KA05Q Is an ic Quasy Resonant Flybac...

Power supply with driver TEA1507

Power supply with driver TEA1507 is mostly used by TV branded PHILIPS. Power Supply has an efficiency rate of up to 90% - thus requiring les...

How Regulator with 2 Photocoupler

Working of Regulator with 2 Photocoupler that is : Photocoupler N901 - used as a coupling-off control on the regulator by mikrokontrol. Whi...

Discharge the large electrolytic capacitor load

If the switching regulator fails to work or fail to start, then it is usually of the electrolytic capacitor is storing charge. There are ha...

Digital visitor counter

Digital visitor counter is a reliable circuit that takes over the task of counting Number of Persons/ Visitors in the Room very Accurately. ...

Different types of TV TUNER

TV tuner that is used on older models and new models of television there are some differences. Therefore, understanding the different types...

Vertical IC PIN-OUT DATA

Vertical Vin = input (non-inverted), Vout = Vertical output, VfB = Vertical feedback (inverted inpput) Vcc to pump-up can be traced through ...

Vertical IC Configuration

Various kinds of vertical out IC configuration.Ac coupling -connect from the yoke deflection output to a coil connected directly.Dc coupling...

Understanding the workings of Vertical Deflection

Vertical deflection parts, serves to provide a sawtooth current to the vertical deflection coil so that horizontal lines are generated by a...

200W Stereo High Power Amplifier LM3886

This audio amplifier designed uses two LM3886 per channel, in parallel circuit, based on the PA100 parallel amplifier detailed in National S...

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...