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I am repear to philips crt tv 21pt2217/94 this tv power suply not work ?plese help

Ic tea1506p new &mosfet k2645 new or ok

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Check the fuse resistor for tea1506 and confirm that all parts
from the psu are ok before you try to power the tv.
check well any mistake will destroy the new parts

Posted on Dec 01, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

gopakumarg43
  • 73710 Answers

SOURCE: i have a sansui tv set with a power problem .

Hello

W11NB80 is an N-channel 800V-0.65ohm - 11A - rated Metal Oxide Semiconductor Field Effect Transistor [MOSFET]. You can use the folowing substitutions for it
[ 11NM-80, 12NK-80 & 10NC-802]. All of these are its equalent substitutions.
Before replacing the mosfet, check the entire power supply secion for any short circuit, or zener diodes faults. If any of the zener diodes are fused, it will run out the MOSET you sumstitue again. Check it keenly. Unsolder one end of each component, lifit it up a liile from the circuit board and check. Especially zener diodes must not show any leak in 100Kohms range. It is best to replace them all I suggests.
I don't know about its availability in Keniya, yet you try to get it from any electronic spare part shops. f feels any difficulty in getting the same contact [E-Bay] site, they will reach you the exact component at your doorstep. Ok.

Posted on Dec 28, 2010

  • 1 Answer

SOURCE: LG vertical failiure vertical line at the bottom of the crt

replace the vertical driver ic and the proccesor ic

Posted on Nov 25, 2008

leorcid
  • 281 Answers

SOURCE: ABOUT PHILIPS TELEVISION

The 8V at pin 36 won't show unless there is oscillation, the primary voltage pin is pin 10, 8v. Don't mind me asking, you have checked the B+, right? Because the blinking LED is often because of power supply problems. And if that's okay, desolder the horizontal driver output legs and connect an LED to find if it is oscillating, if it does, forget the ic part and move on with the FBT and things. Good luck.

Posted on Feb 01, 2008

  • 10 Answers

SOURCE: philips 32pw9617 crt no picture on analog channels but sound ok

this is your tuner board faulty replace tuner board hope this helps

Posted on Mar 26, 2010

  • 1702 Answers

SOURCE: TV LOEWE 8784. Died SPP11N60S5 in the power

Hi, There could be a problem with the main board. Power not getting where its supposed to go.
Go see a Hy tech repair man.

Posted on Aug 04, 2011

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I have a TCL 21inch CRT TV. When it plug to AC some noise come form the SMPS transformer (chopper) did not TV work. Please can you guess the problem.


Sounds like SMPS transformer is faulty. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Dec 04, 2014 | Televison & Video

1 Answer

I have repear philips crt tv this tv power suply not work . &ic ncp 1506p &mosfet k2645 are ok ?plese help


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Nov 30, 2014 | Televison & Video

1 Answer

I have a Phillips FLATTV model ... Problem with the Philips Flat Panel Televisions I have a Phillips FLATTV model 42PFL7662D/ 05 I have no picture, the audio is OK, I have had a hissing noise for about 2...


Try with that...
http://www.filestube.com/3c4e959f7e53ba6703e9,g/PHILIPS-42PFL7932-LC420WU5-V2-CIRC.html

Symptom:
Sound but no picture.

Cure:
Master or Slave inverter is defective.
It can be that the driver IC is defective or MOSF
inverter transformers, or 470uF 35V C
Replace driver IC BD9897FS or MOSFET's.
996500046243 IC BD9897FS
996500046242 Mosfet FDD8447L
996500046241 Zener KDZ100V

Oct 18, 2010 | Philips Televison & Video

1 Answer

Lcd monitor hp model l1506 is not giving out put 5v/12 v . voltage at primary of xformer is ok .mosfet k2645 is ok.no switching is taking place.is ic sc6841s is defective


This monitor is made by AOC, you can downlod the service manual here: http://elektrotanya.com/?q=showresult&megnev=hp&megnev2=%20L1506%20&kategoria=&kat2=all
It can be in the protection shut down mode because it may be sensing too much load like short circuits. I test power supply by connecting a 12v 500ma lamp to the 12v output to see if the lamp will be flashing. Another test you can try is to use the hair dryer, heat up the small electrolytic cap by the opto isolator (a component with 4 pins) to see if the lamp will stay on solid.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

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Do you have its schematics or service manual? This kind of problem needs detailed schematic diagrams of related product. Let me know, are you Tech-Person or TV-Repairman?

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Philips 21PT2325/71


roy replace the vertical ic with original or second hand ic because mostly of the brand new parts in store is defective.

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Power suply fault


Is The Tv Connected To a Antenna Source,Ck your Conns,Then diconnect all conns and see if you get it to Come on at all

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1 Answer

No display


as your power supply is ok check hor. section if it becomes ok you will get voltage on g1 &g2.

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