Question about Polaroid FLM-3734B 37 in. LCD HDTV

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FLM 323B power problem

I have the blue light nothing else happening dilema too. I read stiv0's tutorial but my boards don't look the same. I also can't find a cap that is bulged at all. Went to Radio Shack got the stuff and am now stumped. I took pictures. All the caps that are seen on the top board already are 35v. The ones I picked up at radio shack are also 35s but in between the 2 sizes shown. Any help would be great. I loved this TV now I hate it.


Posted by krag1010 on

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Anonymous

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My power board is not the same as yours, but I will see what I can do for you

Posted on Aug 07, 2008

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When i turn tv on the blue light comes on at the bottom signifying its on but there is nothing on, when i hit the power button nothing happens and the blue light just stays on all the time when its plugged...


I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.6_3_2012_1_54_54_pm.jpg6_3_2012_1_55_24_pm.jpg

Jun 03, 2012 | TCL L40FHDM12 40 Class LCD HDTV - 1080p,...

1 Answer

Blue light comes on but nothing happens


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 of course) and found four bulged capacitors on the PSB. Many major electronics companies Philips/Magnavox, Sony, Panasonic, and others were sold capacitors that failed in 2-5 years instead of 10-20. The capacitors fail prematurely due to a lack of preservatives. Unfortunately, they were installed in all sorts of devices and cause a wide range of failure problems.


Here are some options for you.


1. Have it fixed by a professional $$$$$$$??????? (Is it under warranty?)

Remember, TVs CONTAIN HIGH VOLTAGE AND CAN KILL YOU! Do this at your own risk.

2. Open your TV and find PSB. (The board that the power cord plugs into) Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board. The entire board costs around $250 right now because they are in high demand right now. They can be found online. I would definitely shop around though.


3. Remove and then replace individual faulty caps. This takes some soldering skill.

Caps are inexpensive and if you can take care of it yourself it will save you hundreds.


This may be your problem. If you determine that it might be.

I have a Tip/How TO tutorial on this site that may also help. It gives step by step instructions for replacing caps on PSB #715t2432-2. If this is your board you are in luck. Here is the Link: Fixing the Philips Turns/shuts off on its own problem. I

Dec 17, 2010 | Polaroid FLM-3734B 37 in. LCD HDTV

2 Answers

Olevia 242-t11 will not power up


Power supply module will be the first place to check, look for burnt parts, solder joints, bad caps, etc.
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

http://s807.photobucket.com/home/budm/allalbums

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

Parts: www.shopjimmy.com

Please post back what you find.

Jul 21, 2010 | Olevia LT42HVi 42 in. LCD Television

1 Answer

Board is reading 'left' and right backwards


Note that the blue light on the Wii Fit board should be facing AWAY from the TV.

This should fix your problem right away.

Jan 30, 2009 | Nintendo Wii Fit for Wii

1 Answer

Blue light special Polaroid flm323b


Yep. Symptoms could be anything from high-pitched hum to no picture at all. On these defective models, I would start at the caps and work back. It won't hurt to replace them anyway.

http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen

Nov 08, 2008 | Polaroid FLM-323B Television

1 Answer

Polaroid Bad Caps


Same thing that made the Power Supply go in the first place. something is shorted most likely


Also, make sure that you replace the protective cover or parts will short and cause this

Or, you have a bad processor board which is very common in these sets

Jonathan

Oct 26, 2008 | Polaroid FLM-3732 Television

2 Answers

Polaroid 323b prob


you have a old board sorry I am not sure about this one but you can send it to Clinton Morris at PO Box 11507, Fort Mohave, AZ 86427 and he fixes the for $30.00 Plus return postage

Aug 06, 2008 | Polaroid FLM-323B Television

2 Answers

Flm cap fix


Go here for your fix http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen. It was originally posted by Stiv0, but you will see my reply down about 10 entries or so. Read both his and mine before you get to work on it.

Jul 23, 2008 | Polaroid FLM-3232 Television

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