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Jvc tv switching off and on

Hi Ronnie thanks but could you please explain what is meant by power supply going out

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The main power that supplies power to the whole unit...its in the back of the tv

Posted on Aug 27, 2008

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Thanks, this tv burn the diode r2m after 10 or 15 minutes in this lapse the tv works normal


Hello
Check the power supply switching regulator board [SMPS] for over output voltage that it meant to be.

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Hi! i hope this would help, most power supply for 20 inches lcd are rated 12volts dc at least 5ampere. try replacing your power supply.

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Our LT42DV8BJ JVC tv went off and wouldn't switch back on


This my be the power supply board. Capacitors will get leakey and wont let the set start up.

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I purchased a JVC LT52X579 March 30/09. The TV would phase out by itself and then restart by itself. Some times it would remain on and could be cut off only by unplugging it from my sudge protection...


Hi,
Please unplug TV from wall socket for couple of minutes, replug back in and turn ON.
If still does not power up, try it in another wall socket.
Also check standby/ power light flashing or its solid at TV.
If standby light is flashing or its not lit then TV got power supply problem and requires qualified TV tech. I hope TV is still under warranty so ask for warranty cover to store.
Thanks.

Jul 24, 2009 | JVC Televison & Video

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No picture


try resoldering vertical output ic pins, no vertical deflection will shut off picture. may need ic replacing along with electrolytic cap.

Apr 22, 2008 | JVC AV-32260 32" TV

1 Answer

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try resoldering vertical ic pins

Apr 19, 2008 | JVC AV-32260 32" TV

1 Answer

Television-jvc-av27f476


Capacitors in power supply ( dryer liquid or defect) , If you find electronic spray cooler, apply in power supply area in maybe active again.

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3 Answers

NO SOUND From JVC TH-S5 Home cinema system


I know this is an old topic however someone somewhere might benefit from this feedback. I purchased the JVC TH-S5 service manuals from ManualsParadise.com and after metering all the supplies as 'OK', I then focused in on the 'common' lines associated with the two onboard power amps IC's (STK413-400) and found that they were missing a bias supply. This is derived from the onboard 40v Supply 'dropped' down by a 47 ohm resistor R2702 (rated 1/4 watt but advised to make this at least 1/2 watt). The resistor was found to be open circuit i.e. a very high ohmic value. Looking at the circuit diagram again, I would feel that this is going to be a common issue with this unit.

Mike.The.Cork

Jan 29, 2008 | JVC TH-S5 System

1 Answer

Problems with JVC AV-32WR4EK


This could denote a power supply problem. or overcurrent protection due to a component going bad. If you do not have electronics experience, "DO NOT TRY TO WROK ON THIS SET" people have been seriously hurt trying to repair TV without knowing the basics of electronics. If this is a power supply problem it may be the HV supply and the switching power supply (IVHT based) or the low voltage starter supply. In both cases I would advise you taking it to the shop for repairs.

Sep 18, 2007 | JVC AV-30W476 30" TV

1 Answer

JVC TV model# AV-32920 No Power


SOUNDS LIKE HORIZONTAL OUTPUT IS GONE

Feb 21, 2007 | JVC AV-32920 32" TV

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