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Question about Coby TFTV3225 32 in. LCD TV

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My tv will not turn on but the blue standby light is on.....it was on at first but then went off. what can i do

Posted by ralph_swinge on

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Tanya Markovich

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It doesn`t have to be anything at all. I had my laptop connected to TV to have a bigger picture and after a while of no use the laptop goes into a sleep mode and TV shuts off. And usually when I move the mouse or press any key the laptop turns back on and so does the TV. But this time TV had the exact symptom like something died. I have replaced the power card inside the TV a year ago so this one is new. And I thought it died again.
But after I tried this option it fixed my problem. I simply plugged out the TV from the wall, waited a few seconds and plugged it in again and it turned on normally. Hope this helps guys!

Posted on Oct 02, 2018

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Bud Martin

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The standby power supply is working but not the rest, it can be due to bad caps in the power supply, or it is detecting shorted circuits do it stay in shutdown mode. You need to do in-depth troubleshooting, please read my guide first.
Basic troubleshooting guide here:
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
Parts: www.interliquidparts.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, long life rating such as PANASONIC FM or FC series.

Posted on Jun 25, 2011

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3 Related Answers

Anonymous

  • 1622 Answers

SOURCE: we went to bed and

Hello,

It's the problem of overheating in the power supply board of the TV.on the power supply board of the TV there are few capacitors and IC.any of this ic is got short or may be weak.so due to this when you start the TV the current passes from electric outlet to the power supply board of TV.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and TV shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop.
This will help you in solving the problem....

Posted on Jun 18, 2011

Anonymous

  • 100 Answers

SOURCE: hitachi l32hp04u a my

hello coopa mark, usully it indicates on a powwer suplly problem.
some times its a bad capacitors

Posted on Feb 07, 2011

Anonymous

  • 2 Answers

SOURCE: Technika lcd32-207 is stuck in standby. Blue standby light dims.

Hi brendafoud, have you had this fixed as mine is the same and has been for months. It happened just after the warranty had ran out(typical). Bought from ebay and the people I got it from are not very helpfull. Have you got yours fixed yet?

Posted on May 05, 2010

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