Question about Westinghouse W32701 27 in. LCD HDTV

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Westinghouse Digital Electronics LCD TV Model w32701

I have sound but no video. I can change the channels. When i turn the TV on, It flashes blue in the upper left hand side of tv. This flash is very brief.. less than a second probably. I suspect the power convert board. I think that is what you call it. Had a tv fellow look at it, and he said he tried a new power convert board, but it didnt help. I opened the tv today, and I feel the board has never been disturbed. What do you feel is the most likely problem. The power convert board, or the little light , like florsecent lamps. but much smaller. My model has 7 of them. Thanks for any advice you can offer. Pete Tate

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Re: Westinghouse Digital Electronics LCD TV Model w32701

I had the same problem..."No video but the Sound/audio was working fine." This is my solution.

Dissamble Procedures:
1. There are 4 different types of screws used. So, you can copy my technique. I used masking tape. Everytime I took out screw I taped it beside the hole.
2. You can pull the Video/Audio RCA box by plier, it is detachable.
3. You can pull also the antenna input box by plier.
4. When taking out the Inverter board, you have to flip the lcd upside-down. There are 4 screws at the four corners.

Soldering Solutions.
I soldered all 7 transformer's legs. 8 legs each transformer. I soldered also the 8 capacitors. Checked the 4 fuses.

Main Part of Solutions.
The problem was coming from the 2 surfaced mount inductors. That's why there was no supplied power (voltages) going to the inverter.

These 2 tiny inductors are labeled as L21 and L168 connecting the 12v supply and transfering the power to the inverter. IMAGINE THESE 2 TINY PIECES CAN DISABLE YOU VIDEO? That's why even if you are going to buy a new Inverter board it will not solve the problem. Because the 2 inductors are not connected fully (cold solder) although by naked eye they seems fine. Solution resolder them both.

I used 30w Radioshack soldering Iron. Don't use the 40w because the tip is thick and can damage the neighboring electronic parts. Use a tooth-pick for pressing the inductor while resoldering both ends. I used an over-head magnifying glass while soldering these 2 inductors because the size is HALF GRAIN OF RICE, I am talking a very very tiny piece.

Warning: Over heating can damage these inductors. Just in case you damage one of them. You can find a replacemen on a Dell desktop P4 motherboard. Can be found near the 4 pins cpu power (2 black and 2 yellow) for 12v.

It's been almost 3 days now my Westinghouse LCD TV still working fine.

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Posted on Jul 07, 2009

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Re: Westinghouse Digital Electronics LCD TV Model w32701

Ussualy when the backlight is the problem you can see picture, try, turn it on and see if you can see picture, even if the backlight is off, you can see picture , if yes the inverter board or the power supply are the problem. but unfortunately could be the backlight neon lamps too, if is that the case it will be expensive to repair . There are some companies who can repair those panels but are no cheap. please let me know . thanks

Posted on Jun 13, 2007

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I got a WESTINGHOUSE that powers on and has a great picture but goes black in about ten minutes still has sound!! i can hit the source button a few times then picture comes back on then same thing all over...

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
Please post back what you find.

Dec 13, 2009 | Westinghouse W32701 27 in. LCD HDTV

1 Answer

Get my PIP to work!!!!!!!

The "Picture in Picture" function will only work with a "digital" source like hdmi or dvi input. It will not work with an s-video or vga input source.

Oct 31, 2009 | Westinghouse W32701 27 in. LCD HDTV

1 Answer

Westinghouse lcd w32701

This sounds like bad inverter board.
Every time LCD goes from Standby to ON state - Inverter Board resets it’s self for approx. ~1 sec, during which time you should see blue screen.
Problem is that board detects problem with voltage/current on one of the seven transformers and shuts down automatically...
As to the costs:
- BestBuy repair service approx.. $600.00
- Buy new Inverter Board & repair LCD your self approx. $200.00
- Another option is to repair Inverter Board, but parts are sometimes hard to get...
Now for the DON"T TRY THIS AT HOME or AT YOUR OWN RISK solution:
-The cheapest method is to bypass protection circuit, by transferring good signal from working transformer (using 10nF/250V capacitor) to detection circuit at the faulty transformer.
Then watch movies on your LCD unlit BAD transformer totally BURNS-OUT.
This will be obvious by dark stripe about 1"-2" tall across your display.
Hopefully the only damage will be to the transformer and not CCFL (light behind your LCD), but when you are faced with a choice of using it for a while longer or throwing your LCD to garbage right now... to me this choice was simple.
Good LUCK.

Dec 15, 2007 | Westinghouse W32701 27 in. LCD HDTV

5 Answers

No picture on Westinghouse W32701 LCD Model

Screen goes black, sound unaffected. Can be remedied by turning off and immediately back on, but it will do it again and again and again.

Nov 11, 2007 | Westinghouse LTV-27w6 27 in. LCD HDTV

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Black screen - sound works

power on no picture good sound and channel page up and down works
on background u can see dark picture

Aug 15, 2007 | Westinghouse W32701 27 in. LCD HDTV

1 Answer

No video

Possible bad main board or panel.

May 27, 2007 | Westinghouse W32701 27 in. LCD HDTV

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