Question about Polaroid FLM-323B Television

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Polaroid 323 Did you manage to fix your tv yet? From the photo I have the same board and have replaced the three caps, but tv still faulty. Will replace the two 2200uf caps next to the 24v transformer today. Any suggestions will be gratefully received.

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  • hipshot Dec 09, 2008

    same unit, same problem. right now i have found shorted ZD9 zener in primary circuit, but with only a "house" part number on the diode(AP6KE300 - not sure where the starting charecter is) i am at a loss of the zener's value. someone with a working power supply would be able to measure across the zener and get the voltage drop. no componant level schematics out there, only block diagrams.

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P6KE-300A. 6.8V to 200V GPP TRANSIENT VOLTAGE SUPPRESSORS

Posted on Nov 15, 2009

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Polaroid FLM1514 LCD power will not turn on


The power supply board 2950c is driven by a Fairchild CM0765 power converter which is a MOSFET combined with PWM controller. This board is used in several different LCD TV's. It should output 15V at 2.5A. You can find a troubleshooting giude here http://www.fairchildsemi.com/an/AN/AN-4141.pdf
If the fuse is not blown, and the 3 output caps are not swollen then usually the capacitor C4 (Vcc Capacitor) is faulty. It is usually a 22uF 35V Electrolytic and you wont easily see if it is faulty - you need a cap meter to test it, or just replace it with a 47uF 50V and it should work.

Jul 08, 2014 | Polaroid Televison & Video

1 Answer

Polaroid LCD tv - model TLX-04244b . Flashes the blue polaroid screen then goes black ,I hear a buzz coming from the inverter board. I have replaced both inverter boards and the same problems exisis .


I just changed out the invertor boards and mine was fixed. I had the same problem. Im not a TV repair man but replace the board thats buzzing and it will work again.

Jun 23, 2012 | Polaroid 4226TLMB 42 in. LCD TV

2 Answers

Model FLM-3701 will not power up.


There is a fuse on the power supply board. It is labelled F1. It is a small cylinder near the AC connector. The F1 fuse is 5A 250V. How ever, capacitors are more likely to fail on this television.
The Polaroid FLM3701 has a problem with capacitors failing on the power supply board. If enough caps go bad, you will get no power. Not even a power light.
This P/S board is easy to access on this TV. There is a cover on the back of the TV. It is attached with 8 screws. Remove the cover. This will expose 2 boards. The power supply board is on the right. To remove the P/S board, first unplug the cables. There is an AC power power cord on the right and 4 data cables on the left. The board is held in with 4 screws. Remove the screws and the board will lift out. Any capacitor that is swollen is bad. The top of the capacitor will be curved upward. On the left side of the P/S board, there are 9 big caps labelled E8 thur E17. I would suggest replacing all of them. 6 are 680uF 35V and 3 are 680uF 25V. In the upper central region there are 3 small caps. These go bad, but they do not swell. These are E6, E7 and E22. They are all 22uF 50V. Replace all three. The attached photo shows before and after the caps have been replaced. The original caps were orange. The replacement caps are black.

model-flm-3701-will-not-power-up-1onojclnad5aenzciu2mb45v-1-0.jpg

model-flm-3701-will-not-power-up-1onojclnad5aenzciu2mb45v-1-1.jpg

model-flm-3701-will-not-power-up-1onojclnad5aenzciu2mb45v-1-3.jpg

Dec 07, 2011 | Polaroid Televison & Video

1 Answer

Have a polaroid LCD tv that while watching I saw some smoke and a pop then a black screen although the sound still works...what part gave up


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. Many electronics companies 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 $$$$$$$???????



2. Open your TV and find PSB. 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 at tv-part.com but supplies are limited.



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.



I have a tip/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. It's called: Fixing the Philips Turns/shuts off on its own problem. I'm working on uploading pictures to help guide people though the process as well. Let me know if I can do anything to help.


Hope this helps and Good luck.


Kaufman605

Dec 12, 2010 | Polaroid TDA-03211C 32 in. LCD HDTV

1 Answer

It powers on, and the screen turns on, but the polaroid logo nor any sound ever comes up, it worked this morning but not so much now?


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. Many electronics companies 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

2. Open your TV and find PSB. Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board.

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.


I have a tip/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. It's called: Fixing the Philips Turns/shuts off on its own problem.


Hope this helps and Good luck.


Kaufman605

Dec 12, 2010 | Polaroid FLM-323B Television

1 Answer

T V will not come 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 of course) and found four bulged capacitors. Many electronics companies 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

2. Open your TV and find PSB. Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board.

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.


I have a tip/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. It's called: Fixing the Philips Turns/shuts off on its own problem.


Hope this helps and Good luck.


Kaufman605

Dec 12, 2010 | Polaroid FLM-3225 32 in. LCD Television

1 Answer

Suddenly have no picture, but do have sound. It's not our AT &T service and there is a flashing red light inside the back of the TV


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. Many electronics companies 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

2. Open your TV and find PSB. Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board.

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.


I have a tip/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. It's called: Fixing the Philips Turns/shuts off on its own problem.


Hope this helps and Good luck.


Kaufman605

Dec 12, 2010 | Polaroid TDA-03211C 32 in. LCD HDTV

2 Answers

No picture


power board 15-860-az0-ipos150h capacitors or to light weight they heat up and burn out replace with heavier capacitors if you dont know how to do it take to tv repair fixed mine very cheap works great now unplug tv take off middle black center section after u unscrew it push black panel downward take off only three screws remove metal panel the board that has the defective capacitors is the top one that your power supply cord plugs in to remove board dont touch electronics of the board because of static electricity in your body take board to have capacitors replaced or pick up some at radio shack and replace them yourself soldering iron is required to do the work yourself

Feb 22, 2010 | Polaroid TDA-03211C 32 in. LCD HDTV

2 Answers

No Power to LCD Tv


Even if caps do not look blow, they still can be. Check diodes and resistors on power board. Easy fix if you have patience and time. make sure you replace with a higher voltage, but same cap, resistance values.

Dec 27, 2008 | Polaroid FLM-323B Television

14 Answers

Insignia TV doesnt turn on


Best Solution posted on Feb 29, 2008 4%20stars.png
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Insignia Polaroid Advent Audiovox
ISLCDTV32
lcd
Tries to start then Shuts down!
Insignia IS-LCDTV32 , Polaroid FLM2601 andFLM3201, Advent 203L32K50B Also Audiovox FPE 3205 LC32K5. Cure:Replace the three 680uf at 35 volt caps at the top left of the power supply board.

It works!! I replaced the caps--about a buck each. The bad caps were swollen, and soldering in new caps wasn't hard to do. THANKS!!!

Feb 02, 2008 | Insignia IS-LCDTV32 32 in. Television

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