
- 68 -
LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
CIRCUIT
WAVEFORM
Figure 4.3.3 26MHz output waveform
1 pin
Figure 4.3.2 SIM 1 crystal circuit
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
26MHz
X100 DSX321G-26M
2
1
3
4
BT_RESET_N
UART_RX
UART_TX
USB_DM
USB_DP
BT_UART_RX
BT_UART_TX
BT_WAKEUP_HOST
Connect GND plane directly
Close to the 26MHz XTAL
1 Pin