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21 inch tv brand philips model 21pt6441 / 44 chassis l03.1l aa

KENNEDY
hace 5 años
hace 5 años
good evening friends of the forum greetings welcome to this new year, we start with a tv philips brand model 21PT6441 / 44 CHASSIS L03.1L AA which this tv when giving the ignition order seeks to start but there is a tictictictic sound but the light of stamby Do not turn on as you can know these TVs of this brand are a headache in the failures but with your help I am sure we can fix it ...
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jose luis machado gonzale
hace 5 años

greeting from experience check horizontal transistor, check if it is short before placing the new measure voltages there must be 110v in the collector

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KENNEDY
hace 5 años

good day friend if I check the horizontal is good but the tictictictic comes from the primary transformer

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Javier Chavez C
hace 5 años
hace 5 años
Diagram here: https://tecnicoreparacion.blogspot.com/2012/04/l031laa-diagrama-tv-philips.html If the TSH has been damaged, check the good condition of the FBT with a Fkybacks tester. Yoke in its horizontal section Damper diode and tuning capacitors Voltage of + B = 97v (See diagram). If all OK retouch welds at the stage of the horizontal DRIVER circuit: transistor and transformer
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KENNEDY
hace 5 años

good morning friend javier the tsh is good only that a tictictic appears in the primary transformer only that it is not sending current to the fbt

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Javier Chavez C
hace 5 años

Isolate the Flyback from the source and place a filament bulb of a power equal to or less than the power of the TV, as a provisional load.
Work on the source components until the sound disappears (tic, tic tic) and stabilize the + B

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KENNEDY
hace 5 años

friend javier did what he told me I did the test with the fbt and it turns out that it is damaged I will replace it with another one and then I tell him

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Javier Chavez C
hace 5 años

Do not forget to leave a LIKE as a sign of appreciation for the support you are receiving

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KENNEDY
hace 5 años

friend javier excuse the delay if exactly it was the fbt that was damaged, replace it with another and replace all the capacitors because some were dry and finally the tv turned on and is working great thanks for your help ...

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