Question about Westinghouse LTV-32w4 32.02 in. LCD HDTV

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No video after about 2 sec

Have the TV open. Wondering what part of the power supply is bad.

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Not sure about the Westinghouse LCD but on my TV the problem was the capacitiors on the power board. Check these with multimeter before proceeding. Good luck!

Posted on Jul 27, 2009

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Posted on Jan 02, 2017

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How to get power back on auvio 19Lcd tv ?


You most likely have bad power supply on the set. It could be the video board or one of the other boards. More times than not it comes out to be the power supply. Unless you understand electronics, it's best to take it to someone competent to service it.

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Samsung LCD LN46B630. Backlight flickers for 2 sec. then shuts off. Audio is good and a bright flashlight shows video when directed towards front of LCD panel. BL will immediately turn back on with a...


Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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1 Answer

My mitsubishi 60 inch tv


Good day!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Jun 13, 2012 | Mitsubishi WD-60737 60 in. HDTV

1 Answer

Proscan 42LA45H has picture and no sound


Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Jun 05, 2012 | Proscan 42LA45H 42 in. LCD TV

1 Answer

Sony 46ex700 standby light blinks 3 times with a break of 2 secs can't get the power on


I had a similar problem with my 42 in Philips LCD HDTV.
Here was the problem. My Power Supply Board had several bad capacitors. I opened my TV(warranty was expired ofcourse) and found four bulged capacitors. Many electronic companies were sold capacitors that failed in 2-5 yearsinstead of 10-20. The capacitors failprematurely due to a lack of preservatives. Unfortunately, they were installed in allsorts of devices. Here are some options . 1. 1.Have it fixed by a professional 2. 2.Dig into your TV, find PSB, Check for faultycaps. If you find some(bulged orleaking) bad caps replace the entire board 3. 3.Remove and then replace individual faultycaps. This takes some solderingskill. Caps are inexpensive and if you can take care of it yourselfit will save you hundreds.
Hope this helps

Dec 10, 2010 | Sony KDL46EX700 46 in LCD TV

1 Answer

Htr 5630 shut off in 2 sec.


Sounds like you have a bad amp IC or transistors.
When these go bad they almost always put roughly 40 volts dc from the amp power supply to the speaker terminals. The protection circuit senses this dangerous (to your speakers) dc voltage and disconnects the speaker terminals from the amp via internal relays (the ones you hear click) and puts it into protect mode. If it didn't the dc voltage would quickly toast the voice coils of the connected speaker.

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1 Answer

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yellow flashing power light codes: flashes 1 every 5 secs = one of 3 fans not spinning. 2 every 5 secs.= lamp cover open.

5,6,7,8,9,or10 x per 5 secs. are power supply voltage errors.

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1 Answer

WHEN THE tv IS TURNED ON, THE VIDEO STAYS ON FOR ABOUT 20 SECS THEN THERE IS ONLY AUDIO


These sets are famous for bad caps in the power supply. Not expensive to repair. Thanks for using fixya.

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may not be the inverter but the main board bad
nesco

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3 Answers

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My TV turns on and off constantly, it wont stay on for more than 2 secs. Please help.

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