Question about JVC GM-V42 42 in. Plasma Television

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Jvc gm42 plasma

My plasma tv as lost its picture all I have is a blank screen?

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  • 2 Answers

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Posted on Jan 02, 2017

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

SOURCE: 42 inch LG Plasma TV - Lost picture

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync

Posted on Mar 09, 2008

  • 1779 Answers

SOURCE: VIZIO P42 plasma, half screen ok, other half showing blank

First you have to check if voltage and data are ok at the Y sustain board and the Y driver boards are not running hot. Even if you know how to replace these panels you must have a scope to adjust the v-set up and v- down. Not just a simple PNP. Trouble shooting a plasma is not a short time process to do it correctly. Please let a service center look at it for you.

Posted on Feb 18, 2009

  • 2 Answers

SOURCE: plasma tv

Call a tv repair service, then they will fix it for you.

Posted on Apr 02, 2009

  • 1 Answer

SOURCE: JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound

Hi , I have the same problem with my LT-42X688,so i called the service of my extended warranty provider . the TV technician just left and told me the motherboard is the problem. he said its the third one this week he has seen with the same symptoms. he ordered the motherboard and i've got to wait 5 to 7 work days before the part will be in . I will keep you posted when the guy will return.

Posted on Jul 21, 2009

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I JUST GOT HOME AN TRIED TO TURN MY JVC PLASMA TV ON. THE TV WILL NOT TURN ON. EVERYTHING ELSE HAS POWER TO INCLUDE THE TV BUT THERE IS NO PICTURE OR SOUND. BLANK SCREEN. THE BLUE POWER LIGHT IS FLASHING ON AND OFF. THE MODEL NUMBER LT-42P789

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My tv screen went green for a few seconds then went blank, the power light is on but no picture, my tv is not a plasma or lcd.


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1 Answer

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The X or Y drive boards are bad, the substain voltage is missing, or there is a problem in the power supply. Sorry, no quick fix here. Please call in a pro to assist you in this repair. Good Luck

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