LG SKC9 Service Manual page 47

NO SOUND
2-3. HDMI
2-3-1. Solution
Replace JACK board.
2-3-2. How to troubleshoot (Countermeasure)
1) Please check soldering status of HDMI jack and check HDMI_5.1VA at IC803 pin1.
2) If soldering status and 5.1 VA are abnormal, replace JACK board.
2-3-3. Service hint (Any picture / Remark)
IC800 IC800
ONE POINT REPAIR GUIDE
 
 
IC803 IC803
< JACK board top view >
3-10
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.