PROTECTION IN SANYO TV SLIM FLAT

The latest generation flat CRT tv sanyo sail or standard.menggunakan main IC (MCU) series: LA 769XX.yang internally similar prossesor .. and advantages as well as shortcomings in the system that use IC circuit tv this is a protection system that identifies how the workings of the entire configuration series based on parameter2 who planted in memory ic .. if at the start, there are abnormalities of these parameters (eg AGC magnitude, frequency horizontal, vertical linearity) is different, then the IC will automatically protect themselves on standby and a new .. will turn on again if the series has been corrected as appropriate.
In the case of the Flat TV sanyo CG21XS2 .. this aircraft is always back to the standby position will continue when turned on .. but all the stress, whether his or teg.Vertikal B even 15Vnya also normal tv .. still obtaining protectionism.
flyback condition was caused by his little problem .. there is little change in the internal capacitor capacity FBT .. well make the output voltage to the heater and ABLnya change, though very little.
little tricks can help this problem, with how to cut (break) .. J830 jumpers who headed pin 23 of IC LA76938 (these pins are called: INT1/P.0) one of the pins to detect / control the horizontal section.
TV will start spontaneously as in the past .. if your eyes sharp image will look like a lack of voltage to Video out/180-200V.
if you get my sanyo TV case like this, it never hurts to use tricks like ini.untuk ensure that the tv is not protected.

Original Source : zicelectronic
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