Question about Broksonic CCVG-3276 32 in. LCD TV

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I have a Broksonic ccvg-3285. It is a 32" LCD +

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You may have 24vdc power supply problem, bad backlight inverter board/s, main board not sending out signal to turn on the 24vdc supply and the backlights board, bad T-CON board.
Please try and read the link below to get more understanding.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Posted on May 18, 2011

Testimonial: "This information seems key and i will revise the device considering this information.. thank you so much. i will check all of this as soon as i can. "

  • 1 more comment 
  • Bud Martin
    Bud Martin May 18, 2011

    By the way, I try looking for the replacement boards so you will know what the boards look like, but not much luck. I know that BROKSONIC has the TV's made by other OEM, they just put BROKSONIC name on the TV.

    Can you post the pictures?

  • Bud Martin
    Bud Martin May 18, 2011

    OK, this TV uses LED backlights, not CCFL, that is why you do not see the big backlights inverter board.

    Per BROKSONIC WEBSITE http://broksonic.org/MainCCVG-3285.htm

    Is it still under warranty?

    LED backligts and circuits suppose to last a lot longer, use less power, run cooler than the CCFL type backlights. I guess it is not true, so sad.

  • substance_v May 22, 2011

    as soon as i get a chance to get that unit back in my hands i will post images on the insides... i do believe there are two cages in the unit one cage houses the power suppy and tcon... i believe below this cage is the converters.... i do doubt that the unit is indeed a LED device.. it was manufactored in 2006. Again, once i get a chance to look in the device i will take some snapshots.. ... Thanks for researching as much as you did. much obliged.

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When you turn tv on it slowly then gray and green light on left side comes and then tv turns on and off and no picture.

Posted on Jul 09, 2011

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Posted on Jan 02, 2017

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