Showing Bad Color ,No Output Or Mixed Color On The Screen Using Hdmi - LG BD550 Service Manual

ONE POINT REPAIR INSTRUCTION
6. SHOWING BAD COLOR ,NO OUTPUT OR MIXED COLOR ON THE
SCREEN USING HDMI
When BD player is connected the tV using HDmI, picture shows bad color, no out-
put or mixed color on the screen. But component output is ok.
6-1. Solution
replace Jk803 on main board.
6-2. How to troubleshoot (Countermeasure)
1) Please check Jk803, ra801,ra802 on your eyes.
2) if Jk803, ra801,ra802 pins shorted because of solder problem, unsolder and remove shorted point.
3) if there is no soldering problem, replace Jk803.
4) after changing it, if the set is still nG, check MPeG ic(ic500).
6-3. Service hint (Any picture / Remark)
JK803
< Main board top view >
3-76
2010