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I have a Samsung 3230PX. Worked Great the compost video picture turns on then goes black.

I replaced the PS Caps, then the entire PS Board. Next step the motherboard or video invertert board ?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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tvtechnician
  • 105 Answers

SOURCE: philips 42pf9956/37

when the light goes red it should be blinking a two digit code and repeat itself continuosly. slow blinks are the first digit and fast blinks are the second digit

Posted on Oct 12, 2007

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  • 317 Answers

SOURCE: wavy picture on all video inputs except component video toshiba 57h82

make sure you replace all the 10uf caps and that the connections are good....

Posted on Oct 19, 2007

s4u311
  • 813 Answers

SOURCE: No picture, VSCAN issus.

hi friend
see the link
http://osdir.com/ml/security.virus.openantivirus.cvs/2007-05/msg00019.html

Posted on Jul 18, 2008

  • 718 Answers

SOURCE: how hard it is to replace by yourself main board Samsung LN-T4065

You need to do some more diagnosing of the problem. If you get sound and change channels take a bright flashlight and place it again the screen. Look for an image around the edge of the flashlight.
If you see an image that means the LCD controller board (TCON) is probably good.

The problem is probably one of three causes;
1) Inverter board is bad
2) CCFT (cold cathode fluorescent light) are bad.
3) Power to the inverter board is bad. You can also check the connectors.

Posted on Mar 30, 2009

joecoolvette
  • 5660 Answers

SOURCE: need picture of yang an ya E114139 94V motherboard

The ECS RC410-M motherboard? HP name Asterope3-GL8E?
(D7580-60003)
This link to HP.com/Support, shows where the CMOS jumpers should be, http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00783614&lc=en&dlc=en&cc=us&lang=en&product=3262274
(Scroll down to towards the bottom of the page)

Posted on Apr 17, 2009

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1 Answer

My wega 36" turns on but the screen turns black


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?)


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 at tv-part.com but supplies are limited. 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.


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 13, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Dell tv w2600 goes black all the time... picture will work for about 2 minutes then turn black... and the picture will not usually return till the next day


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 | Dell W2600 26 in. LCD Television

1 Answer

Used as monitor for security camera video. Video flashes on screen when the monitor is powered up then goes black


PS board runs anywhere from $44.95 to $99.00
Here's the manufacturers p/n: YP20106DTV-W
Here's LG's p/n: EAY33982301
Or, replace the 2 blown 680u/25 caps on the PS board.

Feb 11, 2010 | LG 20LS7DC 20 in. LCD TV

1 Answer

Ps-42s5h plasma goes black when warmed up.


we ( technicians ) call it a cold solder or burnt solder , just need to open the tv and give a VISUAL look thru the entire PC Board , good luck , AJ

Nov 05, 2009 | Samsung PS42P2S 42 in. Plasma Television

1 Answer

I am getting audio but all black on video on my samsung ln-t4661f. It did this yesterday morning, worked last night. Did it again this morning, and works tonight. It will have a buzzing sound with a half a...


Hello: Your problem is in the power supply, there are two 2200UF 10volt capacitors in the upper right corner of the power supply that are leaky. The Capacitors supply power to the System Control board and other various parts to the television. You can replaced these your self if you have a mind to and is some what electricaly inclined. These should be replaced with 16v caps instead. If you decide to repair it yourself, after taking the back off, the power supply is generally in the middle of the unit, you will have to remove a metal sheilding paned from over it and look in the upper right side of the board the capacitors should be obvious as they are bulgeing on the top they are right next to each other, They carry 5v to video brd and other parts...

If you need more assistance, Then email me at Delhielectronics@live.com
or phone me at: 702-418-1389

Sep 26, 2009 | Samsung LN-T4661F 46 in. LCD HDTV

2 Answers

No picture


I had one that had a black screen and fixed the problem by repairing the inverter. When I opened the unit I looked at the capacitors on the inverter board and found them swollen. I looked at the bottom of the board and found that the fuse had opened up. The caps were a cheap quality low temp variety 150uF at 25V I replaced them with 330uF 25 volt 105C caps. I then replaced the 2.5A surface mount fuse with an axial 2.5A pico fuse and the TV worked beautifully.

Mar 26, 2009 | Philips 15PF5120 15 in. LCD Television

2 Answers

LCD TV SOUND BUT NO PICTURE


Faulty parts on PS board , bad press for Samsung

Because the Samsung LNS4051D would not turn on and the power LED would blink 4 times and the relay would click and this would repeat again and again. I replaced power supply board parts CM806, 811, 812 & 817, all 1000 uf 10v capacitors, three had their tops bulged up slightly that I missed on initial visual inspection. After seeing the reports of problems with these caps on http://www.fixya.com/support/t1336881-will_not_turn_or_off , I replaced them with Radio Shack part 272-1032, 1000 uf, 35v. They are slightly bigger, but fit OK. TV is working fine now. Cost was 4 x $1.59 = $6.36 plus the time. I saved between $100 to 300 in the process of either replacing the board or getting the unit serviced.

Dec 31, 2008 | Televison & Video

2 Answers

Samsung 940BX LCD monitor 9 mos. old, Problem with monitor not staying on. You turn it on, it will come on for about 3 secs w/picture then goes off, but blue light stays on, black screen. Press power...


The IPboard part no. BN44-0012A is bad. We had to replace 5 monitors with the same problem. If under warranty call 1-800-Samsung for repair or exchange.

Korhan Balimtas

May 19, 2008 | Computers & Internet

1 Answer

Screen goes black immediately after astar logo screen comes on


Astar 30" LTV 3001 ....These TV's have a cooling problem that causes premature electrolytic capacitor failure. De-solder and Test all the 2200uF-25v, 3300uF-35v and 1000uF-10v caps in the power supply (center board, back of TV). Use a good LCR meter that will read 3300uF or better, Replace all bad caps with 105c rated caps. If you don't have an LCR meter, replace all the mentioned caps on the PS. If fuse on board is blown, also replace the F9222L regulator IC chip. Mounting a small cooling fan on rear of TV over the PS will help keep your new caps from failing again. This requires holes in the stand bracket and the rear of the TV, power can be supplied from a 14V source near the bottom of the PS board.

Jan 21, 2008 | Astar LTV-3001 TV

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