Question about Sony KP-53HS30 53" Rear Projection HDTV-Ready Television
Turned my kp-HS5310 tv on last week and the color were off as well as the words on top and bottom - like a wavey line motion. It appears to be a convergence problem but I'm not sure.
I've tried several time to push the "flash focus" button in front of the tv as stated in the manual but it doesn't fix the problem.
I heard that you can manually adjust the convergence with the remote. Does anyone know how to do this or offer any other possible solutions to fix on my own before I have to call a technician?
Thanks in advance!
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Posted on Jan 02, 2017
Your TV has gone crazy on you because your convergence IC's have gone bad.
These IC's operate at a very high temp, and usually only last 4-5 years.
If you remove the back of the set, you will want to look for the BIGGEST heatsink in there, on that heatsink, you will see 2 lage IC's , probably STK392-110, or STK392-120's or something close...regardless - you can go on ebay to order the new ones, but MAKE SURE they are Genuine SANYO IC's and not counterfiet cheapies. the cheap ones may only last 2 months..
You will also need some "Heat transfer paste" - you can pick this up at radio shack. Once you remove the old IC's, test all the large resistors near them.. pull one side of the resistor out of the board so you can check it out of circuit. they will usually have the value in Ohms, printed directly on the resistor, but you may have to use the resistor color code to find out what value they are....However, usually if there is any damage, the resistor will look like it has been HOT or fried. replace the IC's and any bad resistors, and you should be good to go. If you need to order a resistor or two,
http://servicemanuals.vstore.ca/index.php/cName/convergence-resistors If after replacing the IC's and any defective resistors, the convergence is still bad, make sure to use a multimeter to check ALL fuses on the boards, --- sometimes when the IC's go, they will take out a fuse to the convergence power supply. If you find any bad fuses, replace them accordingly! If this STILL doesnt make it look right, you will need to find out how to get into service mode and do a coarse convergence adjustment. This information can be found in the Service manual for your set. If you dont have one you can download it at manualuniverse.com
Hope that helps!
Posted on Jan 17, 2009
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