LG SJ7 - Optical In connection

2-6
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
PCB
Key
BT
WIRELESS
(5G)
WIRELESS
(SMSC)
Figure 1-6
Figure 1-7
HOW TO DISASSEMBLE THE PRIMARY UNIT
1-6. Key PCB Assembly
1) Disconnect the harness cable from the Key PCB.
2) Remove the Key PCB Assembly.
1-7. Modules
1) Disconnect the FFC cable from the BT module.
2) Remove the BT module.
3) Disconnect the FFC cable from the WIRELESS module (5G).
4) Remove the WIRELESS module (5G).
5) Disconnect the FFC cable from the WIRELESS module (SMSC).
6) Remove the WIRELESS module (SMSC).