LG KP175 - Bluetooth (KP175 Only)

4.16 Bluetooth (KP175 only)
- 78 -
4. TROUBLE SHOOTING
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TEST POINT
CIRCUIT
U602
U600
C601
C61
3
TP600
TP601
(1%)
(256KHz)
C613 1000p
R605 150K
0
R606
R604
0
C601
0.1u
1000p
2.2u
C608
C612
470pC611
TP603
VBAT
0.1u
C606
TP607
TP602
TP600
2.2u
C605C602
1000p
C603
1u
FB600
C609
10p
47K
R602
0
R600
R601
0
GND2
IN OUT
FL600
LFB212G45SG8A166
GND1
11
5
1B0
8
1B1
1
A0
A1
4
GND1
3
GND2
6
10
S0
S1
7
9
VCC1
VCC2
12
2V8_VEXT
2V8_VEXT
TP601
U600
NLAS3158MNR2G
2
0B0
0B1
XTAL_PD_GPIO5_TX_PU_TDO_TX_PU_
G9
TP606
F2
VSS10 VSS11
F4 F5
VSS12 VSS13
F6
H2
VSS14 VSS15
H3 D2
VSS2 VSS3
D5 D6
VSS4 VSS5
E2
VSS6
E4 E5
VSS7
E6
VSS8 VSS9
F1
J4
XTAL_N
XTAL_P
J5
A1
VDDIF
J1
VDDIFP
VDDLO
G1
VDDO1
H9 J9
VDDO2
G8
VDDO_USB
VDDPLL
G2
VDDR3V
A4 B2
VDDRF
VDDTF
B1 H1
VDDVCO
H4
VDDXO
VREG1
A3
VREG2_VBAT
A2 B3
VREG_CTL
C2
VSS1
F9
RF_ACTIVE_GPIO4
RST_N
B4
SCL_TX_PU_TDO_N
A9
A8
SDA_TX_PU_TDO
TM0
J6
H6
TM1
TM2
H5
D4
TST1
A6
TX_CONFX_WLAN_ACTIVITY_GPIO2
UART_CTS_N
C8
C9
UART_RTS_N
UART_RXD
B9
UART_TXD
B8
VCTRIFP
J2
A7
VDDC1 VDDC2
B7
BT_PRIORITY_STATUS_GPIO3
E9
B5
BT_WAKE_GPIO_0
H7
GPIO7_TX_PU_TDDN_TX_PU_TDO_USB
HOST_WAKE_USB_DETACH_GPIO_1
B6
HUSB_DN
J8
J7
HUSB_DP
A5
LPO_IN
PA_CTL_GPIO6_TX_PU_TDD_TX_PU_T
H8
F8
PCM_CLK_SCK
PCM_IN_SPDIF_IF_SD_IN
E8
D9
PCM_OUT_SPDIF_OUT_SD_OUT
PCM_SYNC_TX_PU_TDO
D8
J3
RES
RFION
E1
C1
RFIOP
D1
RFTUNE
BCM2046SB1
U602
C604
0.1u
DNI
C610
C607
DNI
R603
0.1u
TP605
2.2u
2V8_VEXT
2V8_VEXT
ANT600
FEED
NC1 NC2
C600
TP604
5
VCC
NA
L600
GND
3
1
2
4
_BT_RST
PCM_RX_BT
PCM_TX_BT
PCM_SYNC
USC0
DEBUG_TX
DEBUG_RX
NL17SZ08XV5T2
U601
BT_32K
BT_DBB_CLKON
DBB_BT_INT
BT_LDO_EN
BT_RTS
BT_CTS
BT_DBB_INT
26MHz_BT
USC_1
PCM_RX_BT
USC_2
PCM_TX_BT
USC1
USC2 PCM_EN
USC3
PCM_TX_BT
PCM_SYNC
Figure 4.16