Having problems with your Standard (CRT) Televisions ?

Collector Voltage at Horizontal Driver transistor is absent

\015 Model CT2020\015

Answers :

You must check an open resistance( bad resistor ) coming from the power supply section going to the horizontal drive transistor collector pin.

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Collector Voltage at Horizontal Driver transistor is absent

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Hi guys am Suteka from Leeukop I have a Sansui TV model no:SV2918 The output voltage is 143V it keeps blowing the Horizontal transistor, How can I reduce this voltages I checked dry joints as well as swollen capacitors and some diodes all seems to be just fine. I will greatly appreciate if you may help me

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This problem has been answered a few while ago. Check the horizotal oscillator frequency. ... Konka Standard (CRT) Televisions

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Am I testing this horizontal output transistor correctly?

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Sir I havea problem with my Sanyo Tv model St-21SF1K, when I turn the power it only blinks the led light. when I check the secondary supply the voltage is there and the horizontal out is good.

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Check the frequency at the base of the horizontal output transistor. It should be in betwen 15.5 to 15.7 KHz. If you want more details about service help, try any service help sites. There are so many can be at internet. ... Philips Standard (CRT) Televisions

29pt5301/15 chassis GR2.4AA Dead only flashing red LED standby. 148V on transistor horizontal, and 38V on transistor vertical is ok.

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Check all the other components in the power supply section. ... Flat Panel Televisions

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I have jvc av32150 the horizontal transistor is defective replaced it but after 2 minutes black out again

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SONY TRINITON KV-32XBR15 The picture has collapsed on the left and right horizontal plane. This problem causes an " Horu-Glass" picture/raster display. I have checked for cold solder joints in the Horizontal and Flyback transformer areas. I resoldered every suspected joints. The problem still exists. The Flyback transformer shows a low voltage of 21VDC, it must be 28VDC. Please let me know any sugestions, tks

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I have a pt21 surface mount when i swich on its going off after just seconds and have measured voltage on lineout transistor there is 120 volts is it the collect voltage

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Keeps burning horizontal transistor after just replacing it

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My nikai crt tv increases voltage in power supply from 220 to 298 volts and it causes the switching transistor to die.what will be the problem?

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Horizontal transistor c5445 lg 29 inch tv

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