LG KS20 - Page 101

LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 103 -
Schematic of the Bluetooth Block
SNGF0017401
ISCA TYPE
BLUETOOTH_Broadcom
ELCH0012503
VBT_CORE_2.6V
SFBH0008101
10p
FB400
C422
0.1u
47p
C426
C417
R407
NA
C421 1.8p
FL400
GND1 GND2
IN OUT
LFB212G45SG8A166
NA
VBT_2.6V
R408
C411
0.1uC418
2.2p
100nH
TP405
VREG_BT_1.5V
VREG_FM_1.5V
L402
1000pC414
150KR406
VREG_BT_1.5V
C416 NA
33p
VREG_FM_1.5V
C410
VBT_2.6V
PG05DBTFC
D400
L405
10nH
C415
47p
C423
TP404
10p
1u
C425
NA
VBT_2.6V
C412
TP402
TP403
C424
0.1u
C420 1u
L403
56 nH
10OL21C7AJ00005
ANT400
SNGF0022801
FEED
GND1GND2
GND3
3.3nH
L400 L401
NA
TSX-3225_26MHZ
26MHz
X400
12
34
1uC419
EXXY0024401
C2 D2
VSS3 VSS4
D7
E4
VSS5
E5
VSS6 VSS7
F2
VSS8
F4 F5
VSS9
K3
XTALN
XTALP
K2
VREG_FM_1.5V
VDDO33_3
K1
VDDPLL
B6
VDDR3V
VDDR5V
A6
E1
VDDRF1
VDDRF2
E2
VDDXO
J3
A5
VREGFM_DAC
VREG_BT
B5
D5
VREG_CTL
VSS1
B2
VSS10
G2 G4
VSS11 VSS12
G10
H1
VSS13
J2
VSS14 VSS2
VDDC1
VDDC2
D9
VDDC3
G7
A7
VDDC4
VDDC5
J10
VDDFM1
A4
B1
VDDFM2
VDDFM3
B3
J4
VDDFM4
VDDFM5
K4
J1
VDDLO
VDDO18_1
K8
A8
VDDO18_2
VDDO18_3
F9
A9
VDDO33_1
E10
VDDO33_2
J8
GPIO5
GPIO6
B8
D10
GPIO7
LPOIN
B4
RES
H2
RFION
G1
F1
RFIOP
D6
RST_N
K7
TM0
TM1
J7
F6
TM2
TM3
J6
UART_CTS_N
F7
C9
UART_RTS_N
UART_RXD
J9
UART_TXD
K10
G5
A_GPIO3
A_GPIO4
E9
K9
A_GPIO5
A_GPIO6
B7
E7
A_GPIO7
FMPLLCAP
D4
C1
FMRF_INN
FMRF_INP
D1
A2
FMVCO_LN
FMVCO_LP
A3
FM_CVAR
A1
GPIO0
H10
H9
GPIO1
GPIO2
F10
G9
GPIO3
GPIO4
E6
G6
BCM2048SKUFBG
J5
AUDIOGND
K6
AUDIOL
AUDIOR
K5
A_GPIO0
B9
C10
A_GPIO1
A_GPIO2
B10
A10
U403
BT_REG_CTLFM_R
BT_UART_CTS
BT_UART_RTS
BT_PCM_SYNC
BT_PCM_OUT
BT_PCM_IN
BT_PCM_CLK
BT_PRIORITY
BT_UART_TXD
BT_UART_RXD
nBT_RESET
FM_IRQ
FM_ANT
FM_L
BT_32KHz
WLAN_ACTIVE
BT_HOST_WAKEUP
BT_WAKEUP
BT_ACTIVE
TP4
TP3
TP1
TP2