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Model uw32s3pw. Why is there sound but no picture?

Where is the inverter board located?

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
Some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Posted on Sep 01, 2015

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Posted on Jan 02, 2017

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SOURCE: Westinghouse lcd tv ltv-27w2 no picture or sound

power supply first one...second one input hdmi pcb defective..

Posted on Jun 03, 2008

  • 1 Answer

SOURCE: westinghouse tv ltv46w1hd sound no picture

my westing house 46 has sound and no picture

Posted on Sep 27, 2008

  • 3 Answers

SOURCE: No picture on a Westinghouse lcd tv model ltv-20v4

I had this problem with these tv`s. The problem actually lies with the power supply inside the unit. Some of the units i`ve seen have 2 blown capacitors on the power supply (C7 and C6) replacing these works. On others, the capacitors as well as a few transistors (Q8 - Q1) are blown. But on all the sets i have seen with this problem, changing the above components restores full functionality to the system.

Posted on Jul 20, 2009

  • 66 Answers

SOURCE: Westinghouse LCD tv LTV-32W4 has great sound but no picture.

Your television actually has a backlight bulb which can be replaced at our parts request email and phone number. Email address: Parts@wde.com. (866) 839-5888

Posted on Jul 29, 2009

dave1645
  • 834 Answers

SOURCE: Westinghouse TV no picture just sound. 32

one or 2 caps in the power supply they will be domed from venting

Posted on Sep 16, 2009

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I need to know where to locate the back light inverter for a Hitachi LE55a6r9a hdtv.


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jan 02, 2017 | Hitachi Televison & Video

1 Answer

My sharp has sound but no picture a have put it a zgemma box using hbmi cable got sound no picture is there something a need to press for the picture to match the box


Sounds like Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jul 22, 2016 | Sharp Televison & Video

1 Answer

Hitachi 32" 32HXC01UB - got sound but no picture, just went off! HELP!!


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jun 22, 2016 | Hitachi Televison & Video

1 Answer

Lg tv no picture but sound


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

May 07, 2016 | LG 47" 5700 Series LED HDTV - 47LN5700

1 Answer

Sanyo model 42848


This could be a faulty back light lamp.It is located right at the back of the screen It is an cold cathode lamp supplied by a high voltage from inverter board .Inverter board has a input voltage of 24 volts inverted into 300 volts AC this lamp lights up the screen...
You need to open the back cover to check the lamp.....

Jun 06, 2012 | Televison & Video

1 Answer

I have lcd37 . no pictures only sound


Ur LCD inverter backlight board is dead.Replaced this LCD inverter board will get ur picture back.Tries Shopjimmy.com,Ebay.com to buy a refurbish LCD Inverter board for the replacement.It useally long shape board.

Mar 11, 2010 | Samsung LE37S71 37 in. HD-Ready LCD TV

1 Answer

No picture but I have sound


First possibility to get checked the power supply board.but as you mentioned that there is sound but no picture this clears that power supply is OK.
Sound, but no picture in LCD TVs is indicative of an inverter board failure. This is the board that powers the back lights that project through the LCD screen. An inverter will run about $180 plus labor. An online source for replacement inverter boards is available here. You can cross reference by your Make and model number.

The inverter board looks like this, and is normally supplied by a dedicated voltage from the power supply (24vdc or 60vdc). Most of the Polaroid models use 24vdc.
6d4af5a.jpg

Its not that difficult, the web site that I provided you with a source for a replacement also has a little tutorial on replacing an inverter. They vary in location by manufacturer, but usually on the left or right side - and look like the picture I provided you. Just be gentle with the cables you have to remove and replace.

The tutorial is here.

this will help.thanks.

Feb 20, 2010 | Polaroid FLM-3201 Television

2 Answers

Tv sound but no picture


The backlight inveter board may have gone out ,or the power supply is not working to supply power to the inverter board, those are the two places to look.
http://en.wikipedia.org/wiki/Capacitor_plague

Nov 08, 2009 | Televison & Video

1 Answer

I have a z20lcd1 tv and it has no picture


in the lcd tv there are three main parts
1)the inverter board(pannel)
2)the main board .
3)the power supply board.
----------
if there is no power at all them main board is faulty.if no front led light is coming ON there is no power .so the main board is not faulty.on the main board there is a fuse located you have to replace that and check first if still no power main board needs to be checked and replaced
---------------
if there is sound but no picture and front led light is blinking then its inverter board panel problem.if this is your case replace inverter panel.its located in the lower side of the lcd in the inner area below the main board.
-----------
but if there is just front led light blinking , but no picture or sound then its power supply board problem.
------------
on power supply board there are some capacitors and ic located.if any of the component gets short or budged up then it short the power supply board.so you can check the components on power supply board with multimeter and get it replaced by using soldering iron.
----------
also you can get new replaCEment power supply board.this clears the problem completely.
---------
you can get the required board and components at ----- www.partstore.com -------- or from ------ www.radioshack.com ----
---------
if you are not familiar with doing this you can get it done by local tv repair technician familiar with this model tv.

Nov 03, 2009 | Zenith Z19LCD3 TV

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