20 Most Recent Polaroid FLM-3734B 37 in. LCD HDTV - Page 4 Questions & Answers

You should leave it unplugged, you need to inspect the power supply module and the backlights inverter boards fpr burnt out parts, More likely you will have to replace the module unless you want to fix it down to componenent level.
Parts inside the TV:
http://www.shopjimmy.com/catalogsearch/result/?q=Polaroid+FLM-3734B+

Backlights inverter board is not shown.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on: Basic LCD monitor and TV troubleshooting guide: http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting http://www.fixya.com/support/r7406380-tv_training_manuals Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps. Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series. Please post back what you find. Please leave rating if it helps.

Hi,

Chances are there is a problem with the power supply board in the TV.

The only thing I would suggest is to leave it unplugged for 24hrs then try turning it on again. This has the effect of discharging all of the capacitors within the unit, and effectively soft rebooting the unit.

What to do next depends entirely on whether you want to try and fix it at home, and have a good multimeter and are comfortable with soldering. If you are then let me know and I'll tell you what to look for. Otherwise you'd be best off taking it to a local electronics repair shop.

Typically the some of the capacitors on the board can go faulty.
I am fairly certain this is a problem with the main power board, and they will want to replace the entire board.

I'm afraid I can't be optimistic for you, based on my experience with Polaroid and past repairs I have been involved with, this is not going to be a pleasant repair for you. If you're able to find a shop locally that works on them, they will have difficulty acquiring parts, and if this is under any sort of warranty work, it will be even worse because everything will need to be approved in advance.

I'd call the support number from the back of your manual, and see what they can do for you... I hope it turns out well for you. Just be prepared for otherwise.
Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Use the menu settings. If color cannot be fix by that then it could be a board problem

Hey, just get new capacators, thats what I did and it works fine now, and worked for lots of others as well. Only cost 25 bucks all together, its worth a try.

there is a cracking noise and the picture does not stay on, does not loss power though

First I would price one because the replacements are outragously high and if you can get one for your set is another thing. Try vancebaldwin.com some comes with a removal instruction guide.

Unplugged it and do not use it, the power supply module is more likely to be bad due to bad DC filter caps and it may cause more damages.
There four major boards: Main bd, Power supply bd, T-CON bd, backlight inverter board.

http://www.shopjimmy.com/catalogsearch/result/index/?q=Polaroid+FLM-3734B+&stock=all

Look at the power supply module first.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on: Basic LCD monitor and TV troubleshooting guide: http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps. Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series. Please post back what you find.

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

find the papers that came with it and there should be a number to call and they might offer to replace or repair it

Remove Back and Look on the power supply board for Bad capacitors they will be vented or puffed up on top. 1000uf 16v 2200uf 10v 3300uf 10v

Look on the power supply board for bad capacitors they will be vented or puffed up on top.

There is a post by Stivo on this board that has helped many fix this type of problem. There are two capacitors on the power supply board that go bad and if replaced can fix this problem . The parts can be purchased at your local Radio Shack for about five dollars or less. I just did it today and it worked!!!

It can be repaired, however, the cost is probably going to be in the area of $200.00 or so. Unfortunately these were not reliable sets. I have repaired way to many of them to recommend repairing it.

Start checking the power supply and the backlight inverter boards. Please my guides to get some understanding and then you can decide if you will want to DIY repair.
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 Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps. Please post back what you find.

The power supply board have problems.That the board,where the power a/c cord plug into.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Failed power supply module?
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 Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps. Please post back what you find.

there is problem with memory ic.need to replaced and update softwear.

Solid vertical color line from the top to the bottom?
Like this?
It is bad LCD panel.

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums http://en.wikipedia.org/wiki/Capacitor_plague

Check the power supply module first. They are not cheap.
http://www.shopjimmy.com/catalogsearch/result/?q=Polaroid+FLM-3734B

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 Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums http://en.wikipedia.org/wiki/Capacitor_plague Parts: www.shopjimmy.com Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

This answer was found on the net... and makes sense! But I always say to check with the mfg's instructions! (Please leave feedback!)

Q: I have a new LCD television, and I'm not sure how to clean it. With my old tube set, I just spritzed it with Windex, but the surface of my new TV isn't glass.

A: "We recommend using LCD cleanser that can be purchased at any electronics store," says a customer service tech for Westinghouse, a manufacturer of popular LCD televisions. The cleaner can be found in both spray and wipe form. But what exactly goes into these LCD solutions?

Kai Hui of MG Chemicals, makers of one of many available LCD cleaners, explains, "The main ingredient in most wipes on the market is water. There needs to be a small percentage of isopropyl alcohol (IPA) to help get rid of the grease from busy fingers." Some LCD cleaning solutions may include up to 50 percent IPA, according to Hui, but any more than that could damage the screens.

Since I'd never suggest you spend more money than you have to, I'd start with a clean, soft cloth and regular ol' tap water. You can add just a capful of isopropyl alcohol to a glass of water if you need something to help loosen the greasy gunk on the screen, so it can wipe off more easily. Get the cloth damp and then apply to the screen instead of splashing the screen and trying to wipe up the liquid; and always -- always -- use a clean cloth, as tiny, hard particles trapped in the fibers can scratch the surface of your screen.