Question about Philips 42PF5520D 42 in. EDTV-Ready Plasma TV

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Philips 42 42pf5520d faulty

When i plug it in, it clicks to come on, then clicks off again, and then is like dead with no response.. psu is lj44-00101b

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Hi, the power supply board has a little board towards the connectors. This board has an led and it will blink if there is an error, check how many blinks there are and then check on the on the power PCB next to this little board you will see the error explanation. Also check capacitors on the power board next to the control board connector, replace any bulging ones. I hope this helps.

Posted on Jul 23, 2010

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Posted on Jan 02, 2017

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Philips 32pf9641d/10 fault works well for 90 mins then goes black still images on screen but no backlight ? power supply or inverters? if inverters can they be repaired or replacement only,


Hi.

As you said when there is no backlight the problem is either inverter or power board. In some case the main controller board may be responsible.
You need to test the parts to find out what part is responsible. Testing is done tracking voltage from PSU to inverter. Voltage to inverter is usually supplied by the higher VDC line from PSU. Here broad description of how to test the three parts: Before proceeding...
The TV can be repaired at component level or replacing boards, depending on your skills and experience. If you want to repair at component level, after diagnosing the faulty board you test components and circuits individually. In that case to test inverter in full you will need an oscilloscope to read the phase of inverter AC section (oscillators or IC must be tested).

Note: If Inverter has voltage out to CCF lamps, then the parts mentioned above are OK, in that case you have a faulty LCD panel. The TV is usually not worth repair as the LCD panel is expensive. LCD panel faults are not common.

Here replacement parts for most flat panel TV models:ShopJimmy.

See also:
PartStore

Regards.

Ginko.

Sep 20, 2011 | Televison & Video

1 Answer

I have a Gigabyte EX38 DS4 motherboard. A few months ago the power light light would blink after I shut windows down and it wouldn't turn on again. If I unplugged the computer for a while it would stop...


As you may already know, your computer will shut down after power on if if the power supply does not receive a power good signal from the motherboard. Since you already tested the PSU in another computer, and you know the PSU is good, either you have a bad mobo or some device connected to the power supply is draining excessive power from the PSU and causing it to shut down.

Try removing the 4 pin pin power plugs from ALL devices, such as the floppy drive, CD drives etc.
If the system stays on when you power up, then you can isolate the faulty device by re-connecting them one-by-one. If the system still shuts down your Mobo or CPU is bad and you might want to take it to a PC technician to determine if it's worth fixing.

If you have any additional questions contact me by clicking on the "Add a comment" link located under your problem description on FixYa. Also, if you believe that this information was helpful to you, please return to the FixYa website and rate my response to your question.
Best regards,
Yavacotech

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Re: PSU Antec NEO ECO 520C 520W RT This power supply was purchased through Newegg.com on 5 August 2010. It was installed into an Antec 200 Case in the same month. It has operated flawlessly until 1...


I agree with you about the power supply being faulty. Unfortunately FixYa is not affiliated with Antec nor sells or service any computer components.
You need to contact the supplier who sold you the power supply or contact Antec.

Nov 09, 2010 | Antec Computers & Internet

1 Answer

Hi, have a philips 42pf7321d/37 tv that won't turn on, I replaced 2 capacitors that were bad but when I tried to turn it on again two leds on the power supply turn on making a clicking noise they stay on...


Hi.

The clicking noise and the leds on mean that there is an incorrect voltage value detected from the main controller board. When this happen we say that the main controller is forcing the PSU to standby, sending the set in protect mode.In protect mode only

The PSU can be tested bridging the low voltage control lines that are turning the higher DC volts from PSU on.

The procedure to test the PSU is illustrated in the following article. I wrote the article for LCD, but the procedure is more or less the same on your plasma. Simply disregard the part on inverter (plasma work in a different way and have no inverter or backlight system) How to test an LCD TV or monitor PSU

Bridging the voltage lines is a repair suitable for an experienced technician. If you are a DIYer, better testing the resistors and components near to the faulty capacitors by reading Ohms to check if they have continuity. This operation is done with power not connected.

If you need to replace the whole board, here the part number: POWER SUPPLY UNIT LJ44-BLAH101C PHILIPS. The part is temporarily out of stock, and may be available ordering from Philips.

Here the service manual:
PHILIPS Chassis EP1.1U AA Service Manual.

May 06, 2010 | Televison & Video

1 Answer

Philips tv wont turn on and makes a clicking noise when plugged into an outlet


It is that sound that gives it away, this is a typical switchmode Power Supply problem. Your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur. The sound is it starting up, shutting down, over and over.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done.

Jan 21, 2010 | Philips 42MF230A/37 42 in. Plasma HDTV

3 Answers

I plugged in the power cord and I get no power at all. No lights/nothing? Thanks.


HI

ITS PROBLEM OF COMPUTER SMPS (SWITCH MODE POWER SUPPLY) REPALCE IT ..

TNKS

RABBANEES

Nov 05, 2009 | Dell OptiPlex GX260 PC Desktop

2 Answers

Flashing power button - no keyboard nor mouse. But PC works... ??


Yes, it may be that the +5v supply from the PSU is faulty, as the PS/2 ports run on 5v and USB runs on 9-12v. Replace the PSU with another of the same form factor and same power rating or better (>=230W). They come at ~£30, so not too expensive. For a little more. Try this:
http://www.quietpc.com/gb-en-gbp/products/psus-300-500/x-red-psus

Jan 28, 2008 | E-Machines eMachines Desktop PC

1 Answer

Philips IQON


Check your Power Supply Unit..(PSU) It has most probably "Faulted". BUT first remove all cards... disconnect all Hard Drives, CD/DVD's etc.. try to power on... if still no-go then ya PSU IS Definitely faulty. Replace. If it DOES go, then, simply plug in each removed device and turn on again, in turn,... until it will NOT power on & that device, will be your "Faulty" bit.. replace that device/card etc. & NOT the PSU. The PSU's are fairly inexpensive these days. To replace ya PSU, open up ya PC... Disconnect the PSU's Plug from Motherboard. Unscrew the Four (4) Screws from PSU, from the rear, near fan. To install is simply the reverse process... Screw the PSU into place..connect up the Plug onto the Mother Board.. ya done.. Power On.

Sep 03, 2007 | Computers & Internet

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