LG CU920 Manual page 174

7. CIRCUIT DIAGRAM
R600
PM_ON_SW_N
100ohm
R601
KEY_ROW(0)
100ohm
R602
KEY_ROW(1)
100ohm
R603
KEY_ROW(2)
100ohm
R607
KEY_ROW(3)
100ohm
R608
KEY_COL(0)
100ohm
R612
KEY_COL(1)
100ohm
VA600 VA601 VA602 VA603 VA604 VA605
VA606
UART600
3G 2.5G
1
GND GND
2
RX RX
3
TX TX
4
VCHAR NC1
5
ON_SW
ON_SW
6
VBAT VBAT
7
PWR NC2
8
URXD NC3
9
UTXD NC4
10
DSR
11
RTS
12
CTS
LGE Internal Use Only
CN600
1 14
+VPWR
2 13
3 12
LED_CON
4 11
5 10
MICBIAS
6 9
C936 0.1u
MIC1P
7 8
C937 C600
VA607 10u 39p
SPK+
L600
68nH
C602
39p
SPK-
L601
68nH
C603 C604
22p 22p VA616 VA617
UART_RX
UART_TX
+5V_PWR_IO
PM_ON_SW_N
VBATT
USB_VBUS
USB_D-
USB_D+
S600 GCC111-8S-S-E1000
GND
DAT2_RSV
CD_DAT3_CS
CMD_DI
VDD
CLK_SCLK
VSS
DAT0_DO
DAT1_RSV
CD
C601
0.1uF
SPK600
SPK601
- 176 -
T-FLASH SOCKET
R606
300K
SDCC_DATA(2)
SDCC_DATA(3)
SDCC_CMD
SDCC_CLK
SDCC_DATA(0)
SDCC_DATA(1)
TFLASH_DET_N
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