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...

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 coupli...

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...

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 ...

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 ...

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...

TV Vertical Protectors

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

Video Distribution Amplifier

With the amount of equipment during in entertainment centers at present the need to survive able to vary the profit of the audio otherwise c...

The damage Horizontal LG TV

Often find LG TV is switched off completely. After checking it Hor short TR / koslet so that all the inverter output voltage drop. Start wit...

IC LA78040 schematic for vertical deflection

Synchronization circuit to make the signals useful in the process of scanning of the transmitter and sent to the Vertical and Horizontal. To...

NTSC-PAL TV Signal Identifier

This circuit is able to identify PAL and NTSC video signals. Its output is high for an NTSC signal and low if the signal is PAL. This output...

Treatment LCD monitor

Treatment LCD Monitor. At this time computer use familiar and already widely used either for work or entertainment. And of course when talki...