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During the second half o the scanthe HOT current ramps up approximately linearly.

LA76810A Datasheet PDF

Method of selection found a couple that needs to be close to the entrance to the service. If the code is required on the current page is, then the search does not take much time, because 20 combinations are used already.

The characteristic of low frequency and the respond time when signal input is depending on the value of this capacitor. It will undergo a linear increasing process.

There are a semi-infinite number of variations on this basic theme. MP is adjusted in the wafer line Adjustment has done for mass production products.

Defective chroma chip do l76810 suspect this first just because it is probably very expensive. This is called flat-bottom period or pulse interval. Log into the service menu: The reason is that the drive conditions will now be wrong most likely underdrive and the transistor will overheat from too high conduction losses.

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For a TV, it may just be a bad connection or ,a76810 diode. The detail checking and repairing steps are as follow: Push Volume – by Recall the TV and the remote control 3.

Although V completely shut down, the current across pin3 and pin7 still exists and decreases rapidly through C and R This applies mostly to TV s, computer datsheet video monitors, some AC operated strobe lights, and other line connected devices.

To reach them, you need to peel top film. Thus, the current in the flyback ignoring the yoke components is a nearly perfect sawtooth. Whenever possible, try to substitute a working unit.

Audio SW 1 The switch of Int. There will be a la776810 “LA option menu In addition, the improved operation of gain control and gating control in this IC contribute to stabilize horizontal output of VCR signal in automatic mode. In all casethe power to the horizontal output transistor HOT of the horizontal deflection system is obtained directly from the DC voltage power supply.

Generally, a hard start of the line deflection circuit represents a very heavy load on the HOT. Came after the storm. Exit from service – dial again “MENU” and datasheeet code Always use an isolation transformer when working on a TV because this is especially important-for your safety – when dealing with the non- isolated line datahseet Power supply.

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Vdet 1 Select Vertical sync system.

LA Datasheet PDF –

Thick tracks – counts as 2 O, ie close second account from the top left and the fourth from the bottom right. The designer has to do some optimizing here A set of rectifiers – in a bridge configuration – to turn the AC into DC.

Please add a 5. The internal impedance of the EHT source is in the order of 1 Mohm, so with a load e. Entering the service menu and service options are presented below. You should not be touching components with the la7681 powered and plugged in at leastnot until you really know what you are doing!

TV came with a diagnosis – not working video input. But they make no use of the stored magnetic energy, they load the primary directly during the scan part. At the start of the flyback period, V turns off. PT see, direct its counterpart SC -a producer different. No abstract text available Text: At the end of scan ,current is la7810 through the flyback primary to the HOT, V Sometimesla768110 letting the problem bounce around in your head, will lead to a different more successful approach or solution.