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LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
CIRCUIT
WAVEFORM
1 pin
Figure 4.2.2
Figure 4.2.3
X100
DSX321G-26M
26MHz
2
1
3
4
A13
B13
K14
K13
B4
A5
B5
A4
J10
H9
J9
H10 USIF2_TXD_MTSR
USIF2_RXD_MRST
USIF2_RTS_N
USIF2_CTS_N
USIF1_TXD_MTSR
USIF1_RXD_MRST
USIF1_RTS_N
USIF1_CTS_N
DPLUS
DMINUS
XOX
XO
UART_RX
UART_TX
BT_UART_RX
BT_UART_TX
HS_JACK_DET
SPI_MISO
SPI_INT
SPI_MOSI
USB_DM
USB_DP
Connect GND plane directly
1 pin