LG LG-D618 - Page 117

3. TROUBLE SHOOTING
- 117 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
J6600 : Earjack
U5100 : WCN3620
U2100 : PM8226
START
Check U5100 (WCN3620)
Replace Earjack.
The problem may be refer to PMIC block.
Check U2100(PM8226)
Check RF Line.
: L5101, L5102, C6610, L6610, C6612, VA6607
TP2
C5105 is 1.3V?
Check the Connection
Between PCB & Earjack.
TP3
FM RX Signal exist? L5101
No
No
No
Yes
Yes
Yes