LG SJ5 Service Manual page 39

NO SOUND
2-3. HDMI
2-3-1. Solution
Replace MAIN board.
2-3-2. How to troubleshoot (Countermeasure)
1) Please check soldering status of HDMI jack and check HDMI_5.1VA at IC308 pin1.
2) If soldering status and 5.1 VA are abnormal, replace MAIN board.
2-3-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
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< MAIN board bottom view >
3-10
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IC308 IC308