LG HX966TZ Service Manual page 104

ONE POINT REPAIR GUIDE
5. BAD HDMI VIDEO / AUDIO OUTPUT
When unit is connected to HDMI TV using HDMI cable, picture shows bad color, no output or mixed
color on the screen. But component output is OK.
5-1. JK803
5-1-1. Solution
Replace JK803 (HDMI Jack).
5-1-2. How to troubleshoot (Countermeasure)
1) Check JK803 pin soldering.
2) If there is short soldering on pin JK803, re-soldering pin JK803.
3) If problem still occurs, check CF809 ~ CF812, R831 ~ R838:
If issue still NG, replace IC801.
5-1-3. Service hint (Any picture / Remark)
JK803
CF809 ~ CF812
R831 ~ R838
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