Question about JVC AV-27750 27" TV

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JVC model AV-27750 does not power up

No red light, no relay click, light spark on power cord when plug in.
Before this total failure, speaker would buss for 3 to 5 seconds on power up. This happened for about 1 month. This set is 12 years old. When the set was 6 years old, I replaced the vertical IC with the three electrolytic caps near it. The fuse is ok. I also check several of the fusible resistors.

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Could be power supply failure

Posted on Jun 30, 2017

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Posted on Jan 02, 2017

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Jvc hd 52g787 my position adjustment in my menu will not highlight so i can adjust picture over to the left. help please


Hello
Just make the picture status button on the remote control and get the display setting to its factory mode.

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Press the VIDEO STATUS button repetedly to get these choices.

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I have a JVC AV-65WP74, I went to bed watching the TV then turned it off for the night but the next day when I turned it back on the blue light came on on the TV but no picture, the TV makes a fast...


The clicking you hear is probably caused by a relay that controls the incoming AC to the main power supply. This is a protective reaction to a problem in the power supply itself or an overload due to a failure downstream from the supply. This is not a likely DIY repair. You will probably need a technician to determine which of these two likely problems it is.

May 19, 2011 | JVC AV-65WP74 Rear Projection Television

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Will not always power up, just clicks and power light flashes. Vertical retrace lines at top 2" of screen. Keeps shrinking and goes completely away after about 5 minutes.


The JVC sets are well known for this type of problem, the tv has a vertical deflection issue needs a few small parts and a touch up on the vertical ic, causes the set to shutdown. I recommend a tv technician for the repair.

Jan 14, 2011 | JVC AV-27750 27" TV

1 Answer

JVC Model #: AV-56p575--------problem with power


If this clicking is a continuous clicking sound its likely that its coming from the ballast.The ballast is the component that powers the lamp.If this component fails your lamp wont ignite and wont allow the start up to continue.

Jul 16, 2010 | JVC AV-56P575 56" Rear Projection...

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TV 65'' JVC AV-65WP74


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Aug 14, 2017 | JVC Televison & Video

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Dcm


It is located in the front of the TV behind the speaker grille and access panel its the small narrow board on the left looking from the front. PLEASE NOTE do not remove the back panel on that model with the power still hooked or operate that model without the back panel in place or you will harm the digital section of the TV and cause major problems that model has a safety feature that will wipe out the digital memory if the backis removed while the cord is still plugged in

May 09, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Power issue, clicking noise, turns off


The clicking is the power on relay closing and opening. This happens because the TV has several built in safety systems that will detect and over voltage and over current load situation.The power supply starts up for an instant, senses and overload of either or both kinds and then the safety switches trigger a cutoff. When this happens the power supply will not start up again because another circuit called a latch keeps it disabled. By unplugging the AC cord and trying to start it again releases the latch until the failure triggers it again.
On these TVs the power supply is rarely the cause of the shutdown. Something further down inside the TV has failed. Replacing just the power supply will not fix the problem. The most common reason there would be an overload would be in the high voltage circuit that lights up the 3 CRTs, next would be the coils around the CRTs that bend the beams to make the picture. This is normal circuit aging and wearing out. Unless you are very skilled with trouble shooting TVs I would recommend having a service center look at it. An authorized JVC shop would be your best choice because they will have access to the manuals and bulletins and have probably had other similar JVC units thru their shops.

Apr 14, 2008 | JVC AV-56P575 56" Rear Projection...

1 Answer

Help urgently required.....


The click you hear is the power relay. Normally that would be followed by amother click of the speaker relay. In this case, the output section is in protect mode because of a fault detected. This will prevent the speaker relay from turning on the speakers. This amp will require repair. I don't recall your specific model, but if it has discrete transistors, expect a parts cost in the $20 range. If it has a single output amp pac, then the part could be in the $65 range. Add in the local labor rate for the complete repair cost.
Dan

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Reset is done by unplugging the ac cord for a time,then plug
back in...............Please verify model number off sticker on the
                            rear of your tv...let me know.....T.

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