Connector between SP
& set check
Sound power (P806A,B)
Cable connection check
IC601 (MSP3401) check
Sound terminal
Voltage check
(32V)
IC603 (LA4282) check
F8811 Fuse Open
check
71
Sound Section
Input jack check
(25Pin cable L,R input check)
Speaker connection
line check
LG Electronics / DND / QA Gr.