Question about JVC HD-52G886 52" Rear Projection HDTV

6 Answers

I have an JVC HD52Z575 . Had a loud pop lost picture. Replaced bulb. Powers up . Lamp is on. no blinking lights. However no menu graphics will come up on screen and no video from video sources. Audio OK

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  • michael_e_he Nov 18, 2008

    The bulb is working fine it is lit up bright.

    I am not getting graphic video or input video. On the screen.

  • michael_e_he Nov 18, 2008

    I replaced the power board with a new revised version. Double checked all connections several times

  • michael_e_he Nov 18, 2008

    This is my daughters TV. She told me that for a few days the tv would come on ok but would shut off after an hour or so time. It would not restart till it cooled. Finally one day it popped and no sound no video no light no led lights nor light from projector lamp. I called a service rep he said it could have been a bad power board. I took off the back cover and found dust blocking most of the fan duct screens and a blown lamp.

    As a safety factor I replaced the power board
    and replaced lamp cleaned ducts. Verified all fans are working. TV powers up with all normal led indications. Projector lamp is on bright.
    Audio works from all inputs. However I cannot get the menu to come up nor any video input.
    I called JVC rep he talked me through a reset using the side panel Menu buttons and power switch. No change. I dont no weather Ive got a digital card problem or is it the $1600 optical engine to replace?

    I dont need basic guesswork here I need some one who has actually seviced this tv

    I replaced the power board

  • michael_e_he Nov 18, 2008

    This is my daughters TV. She told me that for a few days the tv would come on ok but would shut off after an hour or so time. It would not restart till it cooled. Finally one day it popped and no sound no video no light no led lights nor light from projector lamp. I called a service rep he said it could have been a bad power board. I took off the back cover and found dust blocking most of the fan duct screens and a blown lamp.

    As a safety factor I replaced the power board
    and replaced lamp cleaned ducts. Verified all fans are working. TV powers up with all normal led indications. Projector lamp is on bright.
    Audio works from all inputs. However I cannot get the menu to come up nor any video input.
    I called JVC rep he talked me through a reset using the side panel Menu buttons and power switch. No change. I dont no whether Ive got a digital card problem or is it the $1600 optical engine to replace?

    I dont need basic guesswork here I need some one who has actually seviced this tv model

    The bulb I removed was pretty much shattered internally

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6 Answers

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First thing check the connections. check and test the continuity on the power or the main board.
and there a possibility that you have a damaged screen.

the loud pop sounds occur usually due to blown capacitor. Make sure none of the capacitor are burnt. Please look carefully since sometimes you dont notice a small crack in it which causes the pop.
If not, no video sounds like video unit is faulty.
Again have a look on the circuit board if any component has burnt.

Posted on Nov 18, 2008

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Hi,

Replace the tv lamp. Click this http://www.alltvlamps.com/product_p/ts-cl110uaa.htm for inquires. Please dont rate me if not satisfied with my suggestion. Thank you for using fixya...

Posted on Nov 18, 2008

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HELLO
you have a tube problem
last time in my computer
this type of problem happened.. then i called a repairmen

he told me in this their are vertical IC and horizontal IC

so in my case my both the ic are damaged
that fellow reapired it by fitting new tubes

same in your case ........ just repaired it
ok
he charges 3$+3$ for this

now every thng allright

thanks for using fixya

golu_fixya

Posted on Nov 18, 2008

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Loud pop sounds like blown capacitor. Are you sure none of the capacitor are burnt? Please look carefully since sometimes you dont notice a small crack in it which causes the pop.
If not, no video sounds like video unit is faulty.
Again have a look on the circuit board if something (component) has burnt.
Do you remember how this happened ? or did it happen all of a sudden?

Posted on Nov 18, 2008

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First thing check the connections you do. chect and test the continuity on the power / main board.

and there a possibility that you have a damaged screen.

Posted on Nov 18, 2008

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Please check any cold solder near the lamp. Check any blown/bulge capacitor and any other nearby components. If you found one, replacing it will fix the problem

Posted on Nov 18, 2008

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