LG 55LA86 Series Service Manual page 59

Main PCB for Broadband
xxLA790V-Zx
To PSU
To module
WIFI/BT
Front Spk
Key+IR+Logo
Chassis : LD34D
PCB P/No : EAX65040103
3
5
6
2
4
1
2
3
4
1
5
6
Main + TCON all in one
Main processor, DDR Memory
eMMC Memory
Micom for Key/IR/Logo sensing
PMIC
Audio AMP
EPI Wafer
Level shifter