Question about Philips 60PP9753 60" Rear Projection Television

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60pp9753/17 replaced convergence ic chips power light comes on blinks once but no picture or sound. checked power supply slight humming noise coming from the ssb area small red light on the circuit board by the ssb

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  • Philips Master
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Soldering or bad IC chips...

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


60pp9753/17 replaced convergence ic chips - 7859b01.jpg

e87380c.j60pp9753/17 replaced convergence ic chips - 69189a5.pngh_mi
69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.




69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya
http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Apr 15, 2011

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Power board has been replaced with a new one. Power light comes on and then just blinks. No picture or sound from the TV. This set belonged to my daugther and it just quit working. She got a new one and I...


Hi jblake4900,

First, please double check if the part/board no. (SSR-9010A-M2) is the same as the original one. If yes, then other parts gone bad also aside from the power supply board. This is caused by faulty convergence chips (STK394-250) on the deflection board (part no. SSR-2510A-M2). Your unit used two convergence chips that is mounted on the large aluminum heat sink behind the flyback transformer.
I would advice you to replace both the convergence chip.
You need to prepare the following :
1. Necessary tools and test instrument2. Soldering Iron3. Desoldering pump4. soldering lead5. Thermal paste.6. 2 pcs STK394-250
Soldering Tutorial
How to desolder parts on the board

Let the unit unplug from the outlet at least 1 hour to drain the voltages from the power supply board. Familiarize all connectors (take a picture of it if necessary to guide you replacing the connectors).

Please let me know if you need further assistance.

Hope I helped you.
Have a nice day!
Jdvillanueva

Nov 21, 2011 | JVC AV48P777 Television

2 Answers

Tv turned itself off. turn power back on, picture


Your TV is experiencing a convergence issue as indicated by the 3 blinks. The only way to fix this is replacing the convergence ICs. It is not a hard task to replace these ICs. You just need to know how to solder and work on printed circuit boards.

The convergence ICs are mounted on a large heat sink and are marked with codes starting with the letters STK and there are two of them. You need to replace both.

Look for the heat sink with two ICs mounted on it and check the markings.

Once found, cut the IC legs with a small side cutter and unscrew it from the heat sink. Remove the legs left soldered on the board.

Take note of the IC markings for ordering the right part and how it was installed. Don't forget to buy along with the IC a thermal compound.

Check the pico fuses on the same board. Most likely you will find a blown one. These fuses look very much like a resistor, not like the usual transparent fuse, and usually yellow.

Once you have the replacement ICs, put it on the board in the same way as it was installed before. Make sure the screw holes are aligned before soldering the legs into the board.

Put a reasonable amount of thermal grease/compound between the ICs and the heat sink and fix them with the screws.

Double check the board for any splash of solders that might cause a short circuit and damage the board.


Dec 07, 2009 | Panasonic PT-47WX53 47" Rear Projection...

2 Answers

My Panasonic 1080i is not turning on i press power the green light turns on but the screen stays black. then eventually the light turns red. another website instructed me to order STK392-110 some chip...


First, if the convergence chips are bad or shorted the set will shut down and the power light will blink three times in a sequence--if no three blinks I would suggest another possible problem common to this set.

Before the set shuts off do you see anything at all on the screen after a minute or two? A strange band of noise from top to bottom on the right side? The more information you can give me the better the chance I can tell you exactly what is wrong---I have fixed hundreds of these sets--

I am here to help--give me all the information you can

SD TECH

Oct 08, 2009 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

PT-47WX53G wont turn on 3 blinking lights from the power area.


If the red power LED is blinking 3 times--it is most likely a shorted convergence IC---the only way you can be sure is to remove the light box--I can tell you how by email--and unsolder the two STK-392-110 ic chips----they are on two heat sinks made of aluminum next to each other; if you open the back cover and find them you will see about a dozen blue(light blue) resistors marked 2.2 ohm----if any of those are some what white in the middle(discolored) they are gone and the set will never adjust until you replace them and the two convergence IC chips---What I usually do in this case is remove the light box and unsolder both IC chips and plug it in and turn it on---if the set now comes on and stays on--I replace the IC chips and adjust the set---I have done hundreds of these sets---3 blinks is almost always a bad convergence IC--if this was helpful give me a vote---AND IF YOU NEED DIRECT ASSISTANCE contact me at:

etower.766@netzero.net

San Diego tech

Aug 13, 2009 | Panasonic PT-47WX49 47" Rear Projection...

3 Answers

Philips 50PP9202 No Sound/Picture


what where your symptoms before replacing those ic's

Jul 30, 2008 | Philips 60PP9202 60" Rear Projection...

2 Answers

Panasonic pt-47wx42f


Yes you can get replacement IC STK392-110 convergence ICs at the following link and they provide free instalation instructions with pictures. The Ics are located on the board on the left side attached to a large heatsink. You will need to replace both ICs heres the link.
http://servicemanuals.vstore.ca/

May 19, 2008 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

No picture no sound and power light blinks.


Did you check the supply fuses to the convergence ICs? Did you check the output resistors
other wise i would replace the convergence ic first.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 08, 2007 | Toshiba 50H81 50" Rear Projection...

2 Answers

Tv not powering up


Check micro fuses in power supply,Ex. F851,F852,etc.
Common cause is convergence IC's are bad,located on large heat sinks.let me know....T.

Oct 23, 2007 | Toshiba TW40F80 40" Rear Projection...

1 Answer

No responce except thumping noise


PLEASE TRY TO CHANGE AGAIN THE CONVERGANCE IC'S

Oct 02, 2007 | JVC AV-48WP30 48" Rear Projection...

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