Question about Polaroid TDA-03211C 32 in. LCD HDTV

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I have a polaroid 32 inch tv have sound but no pitcher what worng it

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Unplug it for about an hour first to let it reset itself and try again, if it is still not working then:
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 are some troubleshoot 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:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Posted on Aug 06, 2010

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Posted on Jan 02, 2017

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I have no sound on my 32 inch polariod tv none at all please help


What it sounds like is wiring inside to the speakers got disconnected. Does the TV have a jack for headphones or external speakers? If so, then I would connect something to see if you get sound.
If you still do not have any sound, then your audio outputs may have fried.

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