Question about Philips 20PT6441 20" TV

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Re:philips greetings: i was repairing a philips tv and i removed a bad electrolytic capacitor,while i was away my friend plugged the tv on and a resistor was burned,the question is can i still test that color coded coded resitor,will it still give the right resistance?i hope you can give me the right answer.thank you redd

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Hi, not advise to on the set, will put load on other parts component faulty. Check surrounding and ensure all components is all mounted before on the set.

rdgs
alan

Posted on Feb 24, 2008

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You need to secure a schematic diagram for this matter. schematic diagram can be obtain and can be bought at electronic stores....gud luck!

Posted on Mar 24, 2007

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FIRSTLY REPLACE FAULTY CAP .SWITCH SET ON AND THE SET CHECK THE SYMTOM IF ANY CHECK THE COLOR CODE ON RES

Posted on Mar 20, 2007

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It might test ok resistance wise but might break down under the load of the television in operation. Then again it depends on how badly it was burned.

Posted on Mar 19, 2007

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2 Answers

Repair Sony nsx-40gt1 tv, no picture, 2 red blinking lights where normally green. Is the power supply board bad, t-con bad or main board bad. Who sells repair manual?


Hello Eric,

shopjimmy has the circuit boards and gives live support..

Check out the URL below.

Also consider getting an anti-static wrist band... so you don't destroy good semi-conductors with tiny static sparks.

Further information on that is under "ESD"
(Electro-static Discharge)

TV Parts Universal TV Stands DLP Chips ShopJimmy

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1 Answer

Vivitek D326MX DLP, does no power up right away.


Almost certainly a faulty switch mode power supply. Since these are both complicated and dangerous for the inexperienced to play with, the best advice will be to take it to a service centre for repair. It's almost certain to be either failing electrolytic capacitors, or a high value startup resistor, or both, in the smps :o)

Apr 07, 2014 | Vivitek H1080FD DLP Projector

1 Answer

Power board for 37pf5521d


hello!
You don't need to replace power supply in most cases. If you can to the board itself, it buried deep under metal shield, up side down, remove it from the set by unscrewing 6 machine screws, unplugging few plastic connectors. Be careful, connectors are fragile, gently move those in every direction, while pulling out male part of connectors. You will find at least 1 "bloated" electrolytic capacitor, remove and replace those. It's good have "in circuit" capacitor checker to determine quality of "hot side" of power supply capacitors. If you won't find and replace those, small: 1mf 10mf or 22mf, your set will start up, might even work fine for a while, then will quit for good! I've seen that happen! If you don't have capacitor gizmo, then replace all small electrolytic capacitors on "hot" side of power supply. "hot" is that side, what connects to main power in plug area, contents one large capacitor, I.C. chip diver, power mosfet, etc. worst case scenario: if you can't replace those parts yourself, remove the board and take to local TV repair shop. It won't cost you that much to do so, compare to complete TV repair.
Good luck,
Alex.

Feb 19, 2012 | Philips 37PF5521D 37 in. HD-Ready LCD...

1 Answer

My RCA Scenium 52" tv


You have bad grounds on the power board. The first place are the solder connections under neath the flyback transformer. This is my first area of inspections. You must really, really inspect the rest of the board. This TV has many poor solder connections too numerous to pin point. These are very small and will take an extremely close inspection. I cannot say enough here. Look for bad solder grounds on the vertical IC (do not use excess solder or you will short this IC). Look for solder connections on transistors, diodes, jumpers, power resistors and capacitors. Capacitors include electrolytic, disks and safety capacitors.Resolder other transformers too. Be sure to check close for bad solder connections on the heat sinks as well. Next, use an ESR meter to check all your electrolytic capacitors.This is a good place to start repairs. Thanks for asking and show a few hands of support!

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3 Answers

Philips 37PF9631D 37 red light blinks 6 times


Code 6 is a 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 ofcourse) and found four bulged capacitors on the PSB. Many major electronics companiesPhilips/Magnavox, Sony, Panasonic, and others were sold capacitors that failedin 2-5 years instead of 10-20. Thecapacitors fail prematurely due to a lack of preservatives. Unfortunately, they were installed in allsorts of devices and cause a wide range of failure problems. Here are some options for you. 1. Have it fixed by a professional $$$$$$$??????? (Is itunder warranty?) Remember, TVs CONTAINHIGH VOLTAGE AND CAN KILL YOU! Do this at your own risk. 2. Open your TV and find PSB. (The board that the power cordplugs into) Check for faulty caps. If you find some (bulged or leaking) bad capsreplace the entire board. The entireboard 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 yourselfit will save you hundreds. This may be your problem. If you determine that it might be. I have a Tip/How TO tutorialon this site that may also help. Itgives step by step instructions for replacing caps on PSB #715t2432-2. If this isyour board you are in luck. Here is theLink: Fixingthe Philips Turns/shuts off on its own problem. I'm working on uploading pictures to helpguide people though the process as well. Let me know if I can do anything to help. Hope this helps and if it does please rate itaccordingly. Good luck.Kaufman605

Dec 16, 2010 | Philips 37PF9631D 37 in. LCD HDTV

1 Answer

We can hear it but the picture is very narrow in the middle if the screen


If you are referring to a horizontal line or bar, you will have to resolder the vertical IC. You may also need to replace the electrolytic capacitors that are almost next to the same IC. Now if you have a black vertical bars on the left and to the right side of the screen, you have a horizontal problem. Bad electrolytic capacitors and bad resistors in the horizontal deflection area of the TV board! Thanks for asking and give me a few hands of support!

Sep 13, 2010 | Emerson EWF2004 20" TV

2 Answers

TV has a line across middle from left to right


It depends what part was damaged in Horizontal section. Here in Philippines labor costs for this size of TV is ranging from $50 to $150.

Feb 27, 2010 | Televison & Video

1 Answer

There is a red blinking light on the bottom right side of the set and the TV will not power on.


You have a blown power supply, most likely caused by defective electrolytic capacitors that if are electronically handy can be replaced for a few dollars.
Here is a link to some one who experienced what you are going through and how he got his repaired for less than $30.

http://recycledpapyr.us/2009/03/26/blown-power-supply-on-philips-plasma/


Defective electrolytic capacitors from China are a rampant problem. Cheap Dell, computers fail all the time because of this problem. I repaired my Commercial grade $2500 Samsung 42inch LCD monitor for the very same reason. I was able to open up the case fairly easily and remove the board, replace the defective capacitors with much better grade caps and be on my way, has worked great ever since.

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2 Answers

Bad picturre on toshiba tv


Good Day, pieps57;

Corrective Action: Remove the MVUP13 Hyper Module from the TV chassis, remove the top shield and replace the 10uf, 16v capacitors using Part Number 24619040. It’s recommended that all of the capacitors identified be replaced (Note: These capacitors are low impedance surface mounted aluminum electrolytic capacitors. Care should be taken to avoid damaging the PCB while replacing these capacitors.) CAPS: cx178, cx221, cx230, cx241, cx250, cx261, cx270, cx541, cx670 & c514, c5030.
Good Luck, Big Irish.

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4 Answers

Thin horizontal line


Defective components in vertical deflection and output circuit inclusive of vertical output device, coupling capacitors, and yoke connectors. Passive devices such as electrolytic capacitors, coils, and resistors to/from power supply circuits. If your tele is more than 10 years old dump it and get a newer product. $100 USD is a fair price to diagnose and attempt service, depending on age and configuration. Older products may not have replacment parts available at any repair cost. There may be a pot for adjusting the vertical size. If so, it may be dirty. If you can find it, try adjusting it which could clean it. BE CAREFUL -voltages are very high.

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