LG KF510C Service Manual page 87

5. Trouble shooting
MULTI-PORT SWITCH 2
SPK_OUTP
SPK_RCV_P
SPK_RCV_SEL
SPK_RCV HSO
H / L
L
H
H / L
L
LGE Internal Use Only
VBAT
C331
1u
U303
NLAS5223BMNR2G
1
2
3
4
5
EAR_P
Pin6
HSO_L
SPK_OUTP
EAR_P
- 88 -
10
VCC NO2
9
NO1 COM2
8
COM1 IN2
7
IN1 NC2
NC1
Pin7
HSO_R
SPK_OUTN
EAR_N
Copyright © 2008 LG Electronics. Inc. All right reserved.
TP3
SPK_OUTN
SPK_RCV_N
EAR_N
Application
HEADSET
SPEAKER
RECEIVER
Only for training and service purposes