Question about Mitsubishi WS-65511 65" Rear Projection Television
Blue settings way off, unable to converge. Red ok.
STK refers to a Sanyo style Ic, in this case your Tv takes a STK393-110 at board location Ic8c00 Mits p/n# 267p155010.
If you don't buy from MDEA make sure to get Sanyo originals from a trusted distributor like ACME Enterprises in Florida. If you're going to attempt this youself you'll also need a good soldering station (like a wes50), a DMM, some heat sink compound and alot of patience.
Use the DMM to test the value of the low ohm resistors that feed those amps. In this case, blue being bad, my guess is you'll find R8c21 & R8c22 (3.9 ohm 1 watt) changed in value or nearly wide open. But check all the 3.9 ohm resistors in that circuit.
The STK393-110 is a multi-layer / multi-pin Ic on a large aluminum heat sink. You'll want to have the patience of Job to extract and insert the new one. Bend the pins too badly and it can make the task ten times more difficult.
Don't hold the solder tip on these too long and don't be in a big hurry to solder them all in one sitting. Solder and couple and give it a few seconds to dissipate heat...
Hope this helps!
Posted on Nov 17, 2007
SOURCE: unable to converge red/blue
youre convergence ICs need to be replaced. You will need two STK392-120 ICs . You can get new ones here with online free support to help you do the repair, plus they send step by step instructions with pics on how to do the repair. Here is the link.
Posted on Apr 18, 2008
Replace both of your convergence ICs they are big black ICs will have STK392-110 on them Call Mats 1-800-628-1118 10.95 each.
Posted on Jan 09, 2010
Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.
The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded over.
You can find more details and solutions here on Fixya at the following link below. Or click HERE
Posted on Dec 04, 2010
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