Question about JVC AV-27230 27" TV

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Analog tv with poor color and brightness

My 27" JVC analog TV has poor color and brightness. What's wrong?

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Probably tshe picture tube; time for new set

Posted on May 10, 2008

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MY TV PICTURE HAS GONE A LITTLE DARKER AND ADJUSTING BRIGHT, CONTRAST, COLOR,ETC. DOES NOT HELP


How long u have this RCA analoge tv?Around 10 years or more and used it like about 5 or 6 hrs everydays?Yes,than ur tv it is losing CRT tube radiation cohetion.As times go bye years in years out the tv CRT-(tv tube) radiation will slowly dying out,Tv actual pictures will lost some of it luster and it brightnesses to the tv auctual pictures.Brightnesses of CRT tube will get darker and darker until the tv actual pictures barely it is watchable anymore.Contrast,Brightness and Colors adjusting more will help some.But u have to take this tv aparts and take a Flat scerw driver turn up a little bit more of the tv HV-(high voltage) SCREEN button on the FBT-(flyback transformer) to make any big differences of the CRT tube brightnesses.The FBT-(flyback tranformer) is the big block of plastic with a red wire with a black cap hook up to the tv CRT-(tv tube).This adjustment on of the FBT,HV-SCREEN button will help the tv CRT-(tv tube) last another year or two.

Aug 16, 2011 | RCA TruFlat 27F520T 27" TV

1 Answer

How many color,tint,picture,bright,detail do i have to put to get the perfect view


Put it in the custom mode,put the contrast to the max.All the rest in half in the middle.Colors maybe less.

Aug 19, 2009 | JVC AV-27D302 27" TV

1 Answer

Picture adjust


Put it in the custom mode.Put the contrast to the max.Everythings else in half in the middle.
Colors maybe less.Now u have the desire adjustment?

Aug 19, 2009 | Televison & Video

1 Answer

I have a JVC 27'' AV-27530 TV that the picture is very dark


An aging FBT if it still can be adjust using screen adjustment on FBT that will be a small tweak.

But if you are inexperienced with this, asked someone who knows how to do it to fix it for you.

Apr 08, 2009 | JVC AV-27530 27" TV

2 Answers

JVC 27" TV


Adjustable Color Temp. The Adjustable Color Temperature feature lets you adjust the color balance on your TV, depending on the type of light in the room, such as direct sunlight or artificial lighting. On your remote control there should be a button that lets you change the picture mode, IE. Rich, Personnal, Cinema, Sport etc...

Feb 21, 2008 | JVC AV-27D305 27" TV

1 Answer

JVC TV


u need to adjust contrst settings

Feb 21, 2008 | JVC AV-27D305 27" TV

1 Answer

JVC AV27320 Screen too dark


Check the lumans circuit. may be jungle IC

Nov 02, 2007 | Samsung HC-P4241W 42" Rear Projection...

1 Answer

JVC AV 270305 Brightness not Bright enough.


Yes you could look for the capacitor that is leaky, probably in the 200v line, or you could just open back and turn up G2 screen control on the Flyback. You have Screen and Focus on this black transformer with a long anode lead going to the picture tube of set. Becareful, High Voltage!

Sep 08, 2007 | JVC AV-27530 27" TV

6 Answers

JVC AV27320 Screen too dark


hi solution #2 was correct. the adjustment knobs r on what's called the "flyback" i adjusted the bottom knob and the difference was from "night to day" !!!

Oct 12, 2006 | JVC AV-27230 27" TV

1 Answer

JVC AV-27530 Sudden changes in brightness


This sudden changes in brightness are caused by the change in voltage inside the tv,not in the outlet in the wall but inside the set,The changes are an indication something is going wrong and it needs to be corrected,the set does have a brightness limiter but it only works when the set wants to get brighter than normal,You need the assitance of a servicer to correct this problem.

Oct 04, 2006 | JVC AV-27530 27" TV

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