LG KE970 Service Manual page 48

2V72_IO
R229
10K
Pin6
TXD_0
Pin7
RXD_0
JACK_DETECT
C259
100p
R244
Pin6
REMOTE_INT
100K
Pin7
REMOTE_ADC
VA201
USB_PU
R239 1.5K
Pin6
USB_DP
R240 10 Pin7
USB_DM
R242 10
CTS_0
RTS_0
HS_OUT_R
HS_OUT_L
SPK_N
SPK_P
RCV_P
RCV_N
VBAT
C257
0.1u
U206 DG2018DN_T1_E4
1 12
NC1 Pin7 COM4
2 11
IN1_2 NO4
3 10
NO2 IN3_4
4 9
COM2 Pin7 NC3
Figure 23 Multi port switch 1
2V85_IO2
2V72_IO
R224
100
R225
C253 100p
10K
U205
R226 47
1 10
VCC NO2
2 9
NO1 COM2
R227 47
3 8
COM1 IN2
4 7
IN1 NC2
5 6
NC1 GND
NLAS5223BMNR2G
3V3_AUDIO
R235
100
C261 100p
U208
1
VCC NO2
2
NO1 COM2
3
COM1 IN2
4
IN1 NC2
5
NC1 GND
NLAS5223BMNR2G
Figure 24 Multi port switch 2
- 49 -
3. TECHNICAL BRIEF
VBAT
R231
MULTI_PORT_1 10K
C
OUT
Q204
B
RN1307 IN
E
GND
MULTI_PORT_0
HSO_SEL MULTI_PORT_2 MULTI_PORT_3
H CTS_0 RTS_0
L HS_OUT_L HS_OUT_R
C254
27p
MULTI_PORT_2
R228 24
HSO_SEL
2V85_IO2
R230 47K
C258
27p
MULTI_PORT_3
R232 24
SPK_RCV_SEL SPK_RCV_P SPK_RCV_N
H SPK_P SPK_N
L RCV_P RCV_N
10
C265
100p
9
SPK_RCV_N
8
SPK_RCV_SEL
6
7
C271
100p
SPK_RCV_P
R234
VBUS_USB
R236 10K
10K