LG KS20 Operating Instructions Manual page 154

7. CIRCUIT DIAGRAM
1 2 3
Audio Switch
A
VPWR
U400
FSA2267AL10X
1 9
MODEM_RCV_P 1B0 1A
2 8
AMP_OUT_N 1B1 1S
3 7
MODEM_RCV_N 2B0 2S
4 6
AMP_OUT_P
B 2B1 2A
C
D
E
F
ISCA TYPE
SNGF0017401
ANT400
C410
GND3 FEED
GND2 GND1
33p
SNGF0022801
C412
10OL21C7AJ00005
NA
L405
10nH
C FM_ANT
D
E
F
1 2 3
LG(42)-A-5505-10:01
LGE Internal Use Only
4 5 6 7
Speaker Amp
R400 47K
R401 47K
1u
C400
U401 LM4898ITLX-NOPB
B1 C3
VPWR VDD VO2
SPKR_N
C401 0.1u
R402 20K C1 A3
nRECEIVER_SW LINE_ON IN- VO1
C402 0.1u C403 1u
R403 20K A1 A2
LINE_OP IN+ BYPASS
SPKR_P
TP400 C2 B2
nSPEAKER_SHDN
SD_SEL SD_MODE
B3
GND
Headset Amp
U402 TPA4411YZH
B2 B4
_SDL PGND
TP401 B1 A2
nHEADSET_SHDN _SDR SGND
C409 R404
220n A1 D2
HPH_R INR OUTL
C406 R405
220n C1 C2
HPH_L
INL OUTR
A3 D4
VHDAMP_3.0V PVDD PVSS
D1 D3
SVDD SVSS
C408
1u
BLUETOOTH_Broadcom
FL400 LFB212G45SG8A166
C411 2.2p
IN OUT
GND1 GND2
L400 L401
3.3nH NA
C414 1000p
C415
R406 150K
H2
47p RES
F1
RFIOP
L402 G1
RFION
100nH
C417
C416 NA
D4
47p
FMPLLCAP
D1
FMRF_INP
C1
FMRF_INN
A3
FMVCO_LP
A2
FMVCO_LN
C418 0.1u
A1
FM_CVAR
VREG_FM_1.5V
L403 K6
FM_R AUDIOL
56 nH K5
ELCH0012503 FM_L AUDIOR
J5
AUDIOGND
K2
XTALP
K3
XTALN U403
B4
BT_32KHz LPOIN
BCM2048SKUFBG
D10
GPIO7
B8
FM_IRQ GPIO6
X400
G6
26MHz
GPIO5
E6
4 3
GPIO4
G9
1 2
GPIO3
F10
WLAN_ACTIVE
TSX-3225_26MHZ GPIO2
H9
EXXY0024401
BT_HOST_WAKEUP GPIO1
H10
C422 C423 BT_WAKEUP GPIO0
E7
10p 10p A_GPIO7
B7
A_GPIO6
K9
BT_ACTIVE A_GPIO5
E9
BT_PRIORITY A_GPIO4
TP402 A10
BT_PCM_OUT
A_GPIO3
TP403 B10
BT_PCM_IN
A_GPIO2
TP404 C10
BT_PCM_SYNC A_GPIO1
TP405 B9
BT_PCM_CLK A_GPIO0
R408 NA
D6
RST_N
VBT_2.6V
C426
0.1u
nBT_RESET
D400
PG05DBTFC
4 5 6 7
8 9 10 11
SD_MODE SD_SEL SD_MODE
0 0 SD
0 1 ON
1 0 ON
SD
1 1
AMP_OUT_P
SPKR_N
AMP_OUT_N 32KHZ_ON
SPKR_P
KPD_ROW0
KPD_ROW1
KPD_ROW2
KPD_ROW3
KPD_COLUMN0
KPD_COLUMN1
KPD_ROW4
INTERNAL_MIC_P
BT_32KHZ
C404
VIB_DRV_ON
NA
KPD_DRV_N
nCAM_RST
CAM_2M_PWDN
CAM_VGA_PWDN
CAM_PWR_ON
CAM_DATA0
CAM_DATA1
CAM_DATA2
CAM_DATA3
CAM_DATA4
CAM_DATA5
CAM_DATA6
CAM_DATA7
CAM_PCLK
56
HSL CAM_HSYNC
CAM_VSYNC
56
HSR CAM_MCLK
FLASH_PWR_ON
VCOIN
SIM_IO
SIM_CLK
SIM_RST
VPWR
I2C_SCL
I2C_SDA
VOUT
F7
UART_CTS_N BT_UART_RTS
C9 VBT_2.6V
UART_RTS_N BT_UART_CTS
J9
UART_RXD BT_UART_TXD
K10
UART_TXD BT_UART_RXD
J6
TM3
F6
TM2
J7
TM1
R407
K7
TM0 NA
D5
VREG_CTL BT_REG_CTL
B5
VREG_BT
VREG_BT_1.5V
A5
VREGFM_DAC VREG_FM_1.5V
A6
VDDR5V VBT_CORE_2.6V
B6
VDDR3V
K8
VDDO18_1
A8
VDDO18_2
F9
VDDO18_3 FB400
G5
VDDC1 VREG_BT_1.5V
D9
VDDC2
SFBH0008101
G7
VDDC3
A7
VDDC4
J10
VDDC5
E1 C421 1.8p
VDDRF1
E2
VDDRF2
K1
VDDPLL
J3
VDDXO
J1
VDDLO
A4
VDDFM1 VREG_FM_1.5V
B1
VDDFM2
B3
VDDFM3 C424 C425
J4
VDDFM4 0.1u 1u
K4
VDDFM5
A9
VDDO33_1 VBT_2.6V
E10
VDDO33_2
J8
VDDO33_3
8 9
- 156 -
12 13 14 15
MAIN to SUB Connector
CN400
91
1 R420
1 90
FLED
2 89
KPD_COLUMN2
3 88
WLAN_SD_D0
1 R421 4 87
WLAN_SD_D1
5 86
WLAN_SD_D2
6 85
WLAN_SD_D3
7 84
WLAN_SD_CMD
8 83
WLAN_SD_CLK
9 82
BT_ACTIVE
10 81
BT_PRIORITY
11 80
WLAN_ACTIVE
12 79
WLAN_PWR_ON
13 78
KPDPWR_ON
14 77
VMSMP_2.6V
15 76
TOUCH_Y2YU
16 75
TOUCH_X2XL
17 74
TOUCH_Y1YD
18 73
TOUCH_X1XR
19 72
20 71
SDMC_DAT3
21 70
SDMC_DAT2
22 69
SDMC_DAT1
23 68
SDMC_DAT0
24 67
SDMC_CMD
25 66
SDMC_CLK
26 65
nTF_DETECT
27 64
VTFLASH_3.0V
28 63
LEDR1
29 62
LEDG1
30 61
LEDB1
31 60
WLAN_PWD
32 59
LCD_PWR_ON
33 58
FLM
34 57
VRUIM_3.0V
35 56
LCD_RESET
36 55
BL_PWR_ON
37 54
38 53
MDDI_P_DATA_M
39 52
40 51
MDDI_P_DATA_P
41 50
42 49
MDDI_P_STB_P
43 48
44 47
MDDI_P_STB_M
45 46
92
ENBY0035301
AXK890225WG
FLASH LED
VOUT FLED
LD400
LMFL2P010
EDLM0008803
LGMC
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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LG Electronics Inc.