Question about Philips 60PP9202 60" Rear Projection HDTV-Ready Television
How can i turn the blue down?,,i dont have the manual. the red convergence works ok,,but when i try to adjust the blue,,it dosent really do anything on the (plus sign) convergence icon when trying to adjust it...and what causes halos?,,also how do you check the coolant?
1.) As far as the coolant goes--it is clear and called Glycol---you just want to look to make sure you have no leaks---none has gotten on the circuit boards.
2.) If the blue will not move in some direction one of the two STK-392-120 CONVERGENCE chips this set uses is bad. There are also a number of 6.8 ohm light green resistors around them that need to be looked at and tested--The chips are on the left large board side by side on metal heat sinks(as you look from the back)---the resistors are in front and left to right around several plugs(convergence yoke plugs)if any of the resistors are white in the middle they need to be replaced along with both chips.
3.) You can buy the pair of chips on Ebay for about 13 dollars plus shipping--the resistors can be purchased at almost any parts place that sells TV parts--these places may also have the chips but usually charge a lot more then on Ebay.
4.) It all depends on how much soldering skill you have---You will need: Two new chips, Solder, a desoldering braid, liquid flux, heat sink grease, and some denatured alcohol----the flux makes it much more easy to unsolder the chips--lead free solder was used in these sets and it can be difficult to unsolder them---when you solder the new chips in apply liquid flux again.
5.) If you are able to do this repair you can save some real money as most shops TRY to charge 300-400 for this type of repair; I have done hundreds of them and here I charge 200-250 depending on the set.
6.) If you have questions or need advice contact me by replying to this posting.
I do this here for free so if this information has been helpful, take a minute and give me a vote here.
Posted on Sep 09, 2009
Testimonial: "Thanks SD Impressive! sounds like something i can handle.Thank you for the expert advice.how do you vote on here? 4 stars!"
You can check the coolant by looking into each of the CRTs ( briefly ) You will see that the Blue and Green are probably in need of replacing of which if you have never done this DO NOT ATTEMPT IT !!!! You will notice the red has a clear image compared to the other two. Fluid change usually costs around $250.00
Posted on Sep 09, 2009
Testimonial: "yes your right..red is clear, is replaceing the coolant really that difficult? Thanks for your advice"
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Posted on Jan 02, 2017
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