LG KT520 Service Manual page 182

7. CIRCUIT DIAGRAM
1 2 3
A
VDDE_1V8
B VBACKUP
MICROSD_CMD
ACC_GP16_MC_DETECT
APP_GP13_MC_CLKRET
MICROSD_DAT0
MICROSD_DAT1
MICROSD_DAT2
MICROSD_DAT3
MICROSD_DAT_DIR
MICROSD_CLK
MICROSD_CMD_DIR
ACC_GP26_BT_SPI_CLK
ACC_GP25_BT_SPI_DAT1
C
40 pin SUB to MAIN PCB
AXK840125WG (1.3T Header)
D
RESOUT2_n
ACC_GP25_BT_SPI_DAT1
ACC_GP26_BT_SPI_CLK
ACC_PCM_CLK
ACC_PCM_SYNC
ACC_PCM_DLD
ACC_PCM_ULD
E
VDDE_1V8
ACC_GP14_BT_SPI_INT
BT_CLKREQ_n
VDDK_2V75 VDDE_1V8
F
G
C106 C107 C108 C109
0.22u 0.22u 0.22u 0.1u
VSS_BT_ANA
H
1 2 3
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6
VDDE_1V8
VDDG_2V75 VDDK_2V75
CN100
G1
1 40
RESOUT2_n
2 39
3 38
BT_CLK
4 37
5 36
ACC_PCM_SYNC
6 35
ACC_PCM_CLK
7 34
ACC_PCM_DLD
8 33
ACC_PCM_ULD MICROSD_DAT_DIR
9 32
ACC_GP14_BT_SPI_INT MICROSD_DAT0
10 31
BT_CLKREQ_n
11 30
MICROSD_DAT1
12 29
RTCCLK MICROSD_DAT2
13 28
MICROSD_DAT3
14 27
MICROSD_CMD_DIR
15 26
MICROSD_CMD
16 25
MICROSD_CLK
17 24
APP_GP13_MC_CLKRET
18 23
ACC_GP24_BT_SPI_DAT0
19 22
ACC_GP23_BT_SPI_CS0n
20 21
G2
U101 STLC2500C
D3
RESET_N
D6
BT_CLK REF_CLK_IN
G3
RTCCLK LP_CLK
C4
CLK_REQ_OUT_1
C5
BT_WAKEUP
F5 F6
UART_RXD UART_TXD ACC_GP24_BT_SPI_DAT0
G4 F4
UART_CTS UART_RTS ACC_GP23_BT_SPI_CS0n
D1
PCM_CLK
C2
PCM_SYNC
D2
PCM_A
E1
PCM_B
B3
GPIO_16
C3
GPIO_8
B1 B2
GPIO_9 GPIO_11
C1
GPIO_10
D5 A2
GPIO_0 VSS_RF1
E6 A5
CLK_REQ_IN_1 VSS_RF2
G6
CLK_REQ_IN_2
F7
HOST_WAKEUP
VSS_BT_RF
E2 A3 FL100 DEA212450BT-7043C1
CONFIG_1 RFP
F2 A4 5 1 C105 100p
CONFIG_3 RFN BP1 U_BP
F1
CONFIG_2
4 2
BP2 BP_DC
G7
CLK_REQ_OUT2
L100
A6 NA NA
TOUT_IP_QN
B5 E3
TOUT_IN_QP VSS_DIG1
E4
VSS_DIG2
G2
VDD_D
VSS_BT_ANA VSS_BT_RF VSS_BT_RF VSS_BT_RF
G5
VDD_IO_A
F3
VDD_IO_B
R124 0
E7
VDD_CLD
B4
VSS_ANA1
A7 B6
VDD_HV_A VSS_ANA2
C6
VSS_ANA3
G1
VDD_HV_D
B7
VDD_DSM
C7 VSS_BT_ANA
VDD_N
D7 E5
VDD_CL AF_PRG
A1
VDD_RF
Bluetooth
C110 C111 C112 C113
0.22u 0.1u 0.1u 0.22u
VSS_BT_RF
4 5 6
7 8 9
VDDG_2V75
C100 C101
0.1u 0.1u
FL101 SN74AVCA406EZXYR
A5 D5
VCCA VCCB
C5
DAT0_DIR
B2 D2
DAT0A DAT0B MICROSD_DAT0_2V7
C1
DAT123_DIR
A2 D1
DAT1A DAT1B
B4 C4
DAT2A DAT2B
A4 D4
DAT3A DAT3B
B5
CMD_DIR
B1
CMDA
A3
CLKA
A1
CLK_F
B3 C2
GND1 CMDB MICROSD_CMD_2V7
C3 D3
GND2 CLKB MICROSD_CLK_2V7
MicroSD Level Shifter
ANT100 AMAA802012LG09
GND1
FEED GND2 VBACKUP
L101
VSS_BT_RF
BACKUP BATTERY
7 8 9
- 183 -
10 11 12
VDDG_2V75
S100
GND
DAT2_RSV
ACC_GP16_MC_DETECT CD_DAT3_CS
MICROSD_CMD_2V7 CMD_DI
VDD
MICROSD_CLK_2V7 CLK_SCLK
VSS
MICROSD_DAT0_2V7 DAT0_DO
DAT1_RSV
GND
SCHA1A0102
MicroSD Socket
Molex : ENSY0014101 (500873-0802)
Alps : ENSY0013501 (SCHA1A0102)
BAT100
10 11 12
LGE Internal Use Only
A
B
C
D
E
F
G
H