Question about Philips Magnavox 51MP392H Rear Projection Television

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Have a problem isntlaling my new convergence chip?

Ok well i solderered my new convergence chip in , and one little metal prong, didnt go in, so when i turned on my tv all u heard was a loud noise,sop i took the chip out, by desoldering, but the metal things r bent out of place, and there is this thing holding my circuit board in that i cant disconnect, and i have provided a picture of it, it connects to the lights. so i cant take the mother board out whcih would make the job easier, wat do i do?and also, im not taking the tv to a mechanic, either i fix it, or it goes in the trash, ty all ahead of time
http://i254.photobucket.com/albums/hh94/xxskaterxx69/100_0784.jpg

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  • Philips Master
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That's your HV distribution block, lift up the rubber boots and hold the block down and pull the red anode leads out, one at a time.

Posted on Jun 18, 2009

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Blinking green light on a mitsubishi rear projection tv


This sounds like your convergence chips have gone out. If you open the back of The set you will see a big metal piece with fins on it on the front side the convergence chips are located. When these go they usually take out several fuses on the power board they must be repalced along with your convergence ICs get the letters and numbers off of the chips they will start with the letters STK you can order a set of them from suburban electronics for around $20 there will be soldering involved with this repair if you can solder this is a easy fix that will cost you less than $40

Jul 27, 2011 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Convergence problem


The convergence board is bad in this set. Samsung no longer has this board in stock. You will have to take the board out and rebuild it by replacing both of the STK convergence amp IC's These IC's are soldered to the printed circuit board. They will be standing up against a metal plate, called a heat sink. They are black in color and are about 2" by 3" . They have white lettering on them that start with STK and the some numbers. You get those numbers and go to mcmelectronics.com, enter the exact number of the IC and order two of them. Before you install the new IC's you will need to apply some heat sink compound onm the back of the new IC's. This heat sink compound is avaialable thruogh radio shack. Good Luck

Aug 23, 2007 | Samsung HCL4715W 47" Rear Projection...

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"double vision" caused by bad solder points on convergence chips (check before...


Before you order new convergence chips to try to fix the double vision or 3D look on your tv check the solder points for the chips. If you are able to smack the side of the tv or tap the heat sink for the chips and it corrects the problem than chances are the chips are fine butone or more of the solder points are bad. When I looked at the joints for the chips I noticed hairline cracks around the base of the joint. Re-soldering the joints for the convergence chips solved my problem.

on Jun 02, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Just replaced convergence chips for Panasonic rear projection tv. Now when turned I turn the tv on, it turns off and blinks 3 times (the LED light)....what do I do???? They were the correct chips....


Go back recheck ICs make sure you didnt forget to solder some of the Pins. Ch small blue capacitor next to hori output Transistor 2k volts,make sure it is OK,then resolder all the yoke plugins. Let me know if you need anymore help.

Mar 25, 2010 | Panasonic PT-53WX53 53" Rear Projection...

2 Answers

My TV has a shadowy picture rendering it unable to watch.


These sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks Distorted/3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking screen
  • White looking sceen
  • Halos around objects
  • Red/Orange looking

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 07, 2010 | Zenith Z60Z83R 60" Rear Projection...

1 Answer

RED converge not lining up


I have a few questions and A VERY GOOD IDEA OF WHAT IS WRONG WITH YOUR SET.

Go into the customer menu and select Convergence: if the blue is skewed OR WILL NOT MOVE IN SOME DIRECTION, the set has a bad convergence IC.

Based on WHAT YOUR MODEL NUMBER IS this set uses TWO of the STK-392-110 CONVERGENCE IC's.

If you have some skills at soldering and are handy I can give you general instructions and also tell you what you will need

2 new STK-392-110 CHIPS
1 good soldering iron
Solder
de-soldering braid or wick(to remove solder)
Some liquid solder flux (used to un-solder and then when re-solder new parts in.
Some heat sink2.gif compound(applied to the back of the new chips before installed)


THE ABILITY TO GET AT THE CHIPS---I can if you want tell you what is involved here--this is really the hard part on most of these sets--yes, each chip does have 18 pins that have to be unsoldered/ soldered in.

Let me know if you are able to do it or if you HAVE ANY QUESTIONS OR NEED ADVICE--I am here to help..

Regards, SD TECH

Oct 26, 2009 | Toshiba TZ61V61 61" Rear Projection...

1 Answer

Picture bends in different colors


your Convergence IC chips and resistors arre failing you need to replace them

below is a general disscussion post for a Philips TV which will help you to understand your situation and what you might need usally you will need (2) IC convergence Chips and usally (12) Resisitors what have to be soldered onthe the board after you remove the old ones. this fix usally cost you to do it yourself $30, to have a repair man do it cost around $300-450 a new board if avalible usally costs $250-300

Sorry, for the bad new I hope you have a friend that knows how to work on circuit boards...
good luck,

below is a general post about a philips TV Convergence problem you can read about keep inmind your CHIP and RESISTORS will proball be different type....

you need 2 Convergence IC's STK392-120's (120's and 150's will work) of course order 2 of the same type I'm using replacement 150's they allow for a little higher heat and were cheaper ALSO you need to replace the 12 resistors with 6.8 ohm metal film resistors, make sure they are metal film! don’t skimp out here I did and then they blew and fried my IC's and I had to replace everything again!

Great reference link that I posted
pictures on, check out page 3
http://www.techlore.com/forum/thread/16736/Magnavox-51MP392H-17-51-quot--TV-has-double-vision/

Where I got my parts that worked:
Suburban Electronics
http://www.suburban-elect.com/
Manual Library you should find all you need here:
http://www.techlore.com/group/2/list_downloads



What you need:
(2) STK392-120 OR STK392-150 IC
chips
(12) 6.8 Ohm Metal Film resistors
set of star screw drivers
15 watt pencil solder pencil, DO NOT use a high watt iron you will fry the surface mounted item.
good leaded solder, and flux

Nov 20, 2008 | Mitsubishi WS-65909 65" Rear Projection...

1 Answer

60" Rear Projection TV


sounds like a convergence chip problem...

here is my general post for the 51 inch you'll have to look at the link for the manual and check to see if you have the STK392-120 chips or somthing bigger in the 60"


51MP392H/17
you need 2 Convergence IC's STK392-120's (120's and 150's will work) of course order 2 of the same type I'm using replacement 150's they allow for a little higher heat and were cheaper ALSO you need to replace the 12 resistors with 6.8 ohm metal film resistors, make sure they are metal film! don’t skimp out here I did and then they blew and fried my IC's and I had to replace everything again!

Great reference link that I posted
pictures on, check out page 3
http://www.techlore.com/forum/thread/16736/Magnavox-51MP392H-17-51-quot--TV-has-double-vision/

Where I got my parts that worked:
Suburban Electronics
http://www.suburban-elect.com/
Manual Library you should find all you need here:
http://www.techlore.com/group/2/list_downloads



What you need:
(2) STK392-120 OR STK392-150 IC
chips
(12) 6.8 Ohm Metal Film resistors
set of star screw drivers
15 watt pencil solder pencil, DO NOT use a high watt iron you will fry the surface mounted item.
good leaded solder, and flux

Aug 21, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Convergence Cirvuit Board - Ripped Tracks JVC AV-56WP30


you should be able to repair the traces if you do it carefully. That small circuit board is way over 300.00 if you can find it.

Jul 07, 2008 | JVC AV-56WP30 56" Rear Projection...

1 Answer

RCA CONVERGENT PROBLOM


The convergence problem is likely to be in the convergence power supply which is located above and between the two boards which lie flat inside the chassis. The power supply has a chip on it which is a common problem (If it is not the transistor type then change the whole board.) part number on the chip where the metal heat sink is located. Part number may be STK 730-010 or STK 730-130 both number will work and must be unsoldered and new soldered in.

Jan 02, 2008 | RCA P52937 52" Rear Projection Television

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