Question about Philips 42FD9932 42 in. Plasma Television

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Startup circuit? I replaced the CBA preconditioner board and still no luck so I looked around and thought it was the VSVA power supply board so I ordered one and swapped that out as well..still no luck. System powers up, I hear the fans kick in, then she shuts off leaving the standby led blinking. I would hate to have to toss this thing but it is a pretty old box and I know the fix is probably do-able and cheap..please help if you can and thanks!!

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  • Danlamb33 Apr 09, 2008

    Philips 42FD9932/17G

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Brand name model and chassis I' may help you

Posted on Apr 09, 2008

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Hi I was watching a DVD on my techwood LED24916DVDFHD and the TV shut down. I can't get any power to it. I thought the fuse had gone so I changed it with no luck. Can anyone help me please?


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://electronicshelponline.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.

Oct 11, 2016 | Televison & Video

1 Answer

Diagnose problem with flat screen TV


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://electronicshelponline.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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Jul 29, 2016 | Philips Televison & Video

1 Answer

Have replaced this board, hooked everything back into its place, have checked off/on switch,have tried another power supply, yet, when i push the off/on button the fans jump but the green light on the...


Hello, You might have a bad motherboard and need to replace.
First, I know its a pain but disconnect and reconnect all cables verify that your not missing one of your power cables look for any connections on the board that don't have cables hooked up to it. take extra care when hooking up your power button cable. Its easy to accidentally place them in the wrong pin.
Hope This Helps

Jan 30, 2011 | ASUS PTGD1-LA Motherboard

1 Answer

High voltage power supply ceased operating How much would it cost to replace?


Good Day,
This board that you want is not availible, the board must be repaired.
More than likely the convergence circuit has failed. You are only looking at a repair around $500.

Good Luck, big IRISH.

Dec 08, 2009 | Mitsubishi WS-55411 55" Rear Projection...

2 Answers

Loud pop no picture


The common cause of this is some of the large power supply capacitors become faulty.
Check the power supply printed circuit board for any capacitors, the look like cylinders, that have raised or popped tops as well as any sort of black or gluey sticky substance around them, which can become conductive and cause problems.
If you find any that fit the description of faulty, replace them and any neighbouring caps around them, also check for any other burnt out spots on the pinted circuit board as this normally indicates another faulty component or one that will fault soon. Good Luck.

Dec 02, 2009 | Vizio P42HD Television

1 Answer

Emerson TV EWL205SC does not turn on


You must have some electronic experience when you replaced the bad capacitor. Best thing to do is find a Service Manual for your TV on the internet. It will really help you in a big way to diagnose the source of the problem. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $20.
Another thing you might want to look at on the board is the part that supplies power for the screen. Most manufactures call it a Backlight Inverter Board. But, for this model, it maybe all in one power supply board. The TV maybe trying to power up the screen and failed. Then, when into protection mode.

I hope I shed some light on the subject for you.

Jul 13, 2009 | Emerson Televison & Video

4 Answers

Power but no picture or sound


Hi, could be the main board but first you need to look for swollen capacitors on the power supply, here is the process:
, the solution to fixing your TV is most likely the power supply, if you are wanting to repair it yourself and can solder, it is most likely going to need (2) 1200 or 2200mf at 35volts electrolitic Capacitors, or you can replace the whole power supply. The back is held on with a few screws around the back and edge and then you need to pop the edges loose starting at the bottom side corners. once the back is removed the power supply is mounted inside a rectangle metal shield , remove the screws around it and the little ones going into the jack/input section (using a short philips there), there is a wire running from a circuit board to the USB input be careful not to pull on it, unplug its wire from the CBA. then look at the power supply (top center board) the cylinder looking capacitors that are bad will be bulged on top, usually there are two 2200mfd at 10 or 25volts. changing them should get it working. A repair shop will charge you around $250 for this job, FYI
hope this helps
thanks
Eric

Jun 05, 2009 | Philips 32MF231D Television

2 Answers

I need a 120v power supply circuit board


purchase a AC to DC adaptor and use the 12volt power cord plugged into it.. these are commercially available, just make sure you purchase an adaptor that can handle the power used by the fridge which is on the back of the unit.

May 30, 2009 | Sharper Image (SI714SL2) Compact...

1 Answer

Philips Plasma 42FD9932/17G


I have qty 2 new of the plasma screens for the 42fd9932/17g w/ all the boards. All you need is the enclosure and the connector board. Will sell at excellent price. contact sales@canccomputers.com

Apr 19, 2008 | Philips 42FD9932 42 in. Plasma Television

5 Answers

No Picture


I replaced about 10 electrolytic capacitors and a PWM controller IC (MC34067P). Fortunately, i found an almost identical schematic diagram in the internet, so i started troubleshooting. To make it short, i replaced most of the electrolytic caps and mylar caps in the Preconditioner stage and VsVa Power supply stage. And finally the PWM Oscillator IC (MC34067P). You have to make sure that the Preconditioner stage is running ok, with an output of 380 to 395 volts DC. There are two fuses on the board (in my 32FD9954), one is for the mains AC located near the mains connector coming from RF filter (two wire connector- large wires), the other fuse is in the middle of the board. You measure the DC voltage on this fuse on the middle of the board and it should be about 380volts or above. The real culprit is the PWM IC. Initially i replaced the MOSFET (STY34NB50F) in the Preconditioner, then the caps, then finally the IC. Then it worked!!! I put back the old MOSFET, it's not damaged, so now i have a spare one. Just replace the electrolytics near the PWM IC (2.2u, 4.7u, 100u, 1000u) I think the design problem is that the IC is nearly located to the heatsink which generates lots of heat. The IC deteriorated in time and the electrolytes in the capacitor evaporated due to the excessive heat inside the case. I'm thinking of incorporating 120cm computer fans at the back to suck down the heat. Happy troubleshooting. I have the necessary diagrams if you need it. regards, Valerio

Oct 31, 2006 | Philips 17PF8946A 17 in. EDTV-Ready LCD...

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