Question about JVC LT-32P679 32 in. LCD TV

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How do i change a horizontal transistor on my jvc tv

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gopakumarg43
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SOURCE: i have jvc av32150 the horizontal transistor is defective replaced it but after 2 minutes black out again

Check and replace its LOT {Line Output Trasformer}. It is faulty.

Posted on Oct 24, 2012

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No picture just sound


Check and replace damaged component/s in its horizontal output section circuit. Check LOT and horizontal output transistor.

Oct 15, 2012 | JVC AV-27F802 27" TV

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My tv is JVC model # is AV-21MT35 the new technician needs the schematic diagram. my old technician lost the parts to be replaced one is for the horizontal out and the other one regulator...


You can use [BU508AF or C3886A OR D5702] as horizontal output. All of these transistors are equivalent to each other, and is commonly used with RCA TVs. But, if there is a fault with its Horizontal output Transformer, {LOT}, none of these transistors won't last long. They will heat up excessively, and will get shorted. Therefore, check whether the LOT has any trouble. Ask your technician. He will be sound enough how to check it. Mo multimeter check is possible with this component. His experience in service work will help him to troubleshoot this problem.

Aug 02, 2012 | RCA TruFlat 27F520T 27" TV

1 Answer

Horizontal transister heat up and shortens


Try to replace new harizontal output transistor.Before replacing the transistor,check the regulator and the flyback if shorted or not.If the flyback is shorted the harizontal output transistor will be damage again if you trying to turn on again.Thanks..

Aug 26, 2011 | JVC TM-2703SU 27" TV

1 Answer

BOUGHT JVC AV-56WP74 IN JUNE 2004. 52


It is worth getting an estimate. From the symptom you explained, it looks like the horizontal output transistor became defective.

Jan 16, 2010 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Tv -jvc modele : av-g21t horizontal out put transistor burned after seconds


check the yoke or change the crystal number 503(blue/ orange)if still damage the Horzntal transistor , flyback is defected.

Nov 16, 2008 | Televison & Video

1 Answer

Av 32d305 JVC tv


has the problem solved a little yet?

Oct 31, 2008 | JVC AV-32D305 32" TV

1 Answer

Tv shutting off timer light blinking


Your TV is in the protection mode. First, locate the horizontal output transistor. This is found very close to, or next to, the horizontal output transformer (also known as the flyback). The flyback should be on an aluminum heat sink, or on the side of the metal chassis. Disconnect or unsolder two of the three legs of the transistor. Measure it with your meter, or plug in the set with the light bulb attached across the fuse.
If the transistor is shorted, or the light bulb doesn’t glow bright anymore, replace the transistor and plug back in. If the light bulb glows bright again, you must replace both the flyback and horizontal output transistor simultaneously. In some cases this will fix the set, but sometimes there are multiple problems with a set.
Go to where the flyback is, and start measuring the diodes and capacitors on the flyback itself. If you don't find any shorts there, it could be a shorted vertical output IC, a shorted sound IC, a shorted disc capacitor in the Hi Voltage/sweep circuit, or in rare cases, a shorted capacitor or tuner.Feel free to ask and post whatever the result of your troubleshooting..


Hope this may help;

Regards,
VOTIT

DON'T FORGET TO RATE

Aug 30, 2008 | JVC AV-27D303 27" TV

2 Answers

Where is the horizontal transistor


You can follow from fly back the B+ supply is directly connected to the horzontal out put transistor.

Feb 13, 2008 | JVC AV-56WP30 56" Rear Projection...

1 Answer

Model AV-32950 will not turn on. The power light is flashing and the relay RY921 is oscillating. I have replaced C926 1000uf/35v & no change. Any suggestions. Circuit daigrams????


did you check his horizontal transistor?what is the voltage of the b+ in flyback. but common causes of that model is the defective horizontal transistor.

Oct 18, 2007 | JVC AV-32950 TV

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