LG KE800 Service Manual page 61

4. Trouble Shooting
4.18.2 Multi-Port Switch 2
MULTI-PORT SWITCH 2
HS_OUT_R
RTS_0
HS_OUT_L
CTS_0
Control
DIF_VSYNC
High(1.8V)
Low
2V72_IO
2V85_IO2
SMD: FSA2267A
R424
10K
C425 100u
1
1B0
R426 47 2
1B1
C426 100u
3
2B0
R428 47 4
2B1
Signal Connection
MULTIPORT3
RTS
HS_OUT_R
U404
FSA2267L10X
C424 27p
9
1A
8 L404 100nH
1S
R427 0
7
2S
L405 100nH
6
2A
C427 27p
C428
0.1u
MULTIPORT2
CTS
HS_OUT_L
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MULTI_PORT_3
DIF_VSYNC
MULTI_PORT_2
Application
UART1
Headset