LG -T370 Service Manual page 126

CON_ANT_FEED|GND
ANT701
CON_ANT_FEED
CON_ANT_FEED CON_ANT_FEED
LGE Internal Use Only
7-1-1-3_BCM2070(QCT & IFX Only)_0.4Pitch
Class 2 or 1.5
QCT
VBT_IO_1V8
IFX
QCT
VBT_PA_2V6
IFX
BT_WIFI
2450MHz
FL701
R703 C714
1 3
R704
IN OUT
3.3n
1n 2 4
GND1 GND2
C709
15n BT_RF
C708 DNI
BT_CLK_26M
C713
DNI
VDD_IO_1V8
When power class 1.5 is used, R307 is populated and R308 is depopulated.
(Vice versa for power class 2)
VREG_MSME_1V8
FB701
VIO_1V8
600
VREG_MSMP_2V6
C706 C707 C701
VPA_2V85 10n 10n
2.2u
R702
15K
must have 1% tolerance
D6
RES
100p
C7
RFP
E1
DNI
C10 SCL
D1
SDA
R705 1K
BT_WAKEUP
C1
BTCX_STATUS SPIM_CLK
E2
BTCX_RF_ACTIVE SPIM_CS_N
U701
C711 1n B4
RTC_32K LPO_IN
C712 BCM2070B2KUBXG
F5
1n
XIN
E5
XOUT
C3
BTCX_TXCONF GPIO_0
D5
GPIO_6
TP710 B3
BT_WAKEUP_HOST GPIO_1
F4
BT_CLK_REQ
GPIO_5
TP711
- 126 -
VPA_2V85
C702
C704
10n
10p
C703
C705
10p
2.2u
VDD_IO_1V8
C5
RST_N TP701 BT_RST_N
B5
REG_EN
C6
TM2
D4
TP702
PCM_IN BT_PCM_OUT
E4
TP703
PCM_OUT BT_PCM_IN
C4
PCM_CLK TP704 BT_PCM_CLK
A4
TP705
PCM_SYNC BT_PCM_SYNC
TP706
C2
UART_TXD BT_UART_RX
D2
UART_RXD BT_UART_TX
F2 TP707
TP708
UART_RTS_N BT_UART_CTS
E3
TP709
UART_CTS_N BT_UART_RTS
B2
HUSB_DN
A2
HUSB_DP
Copyright © 2012 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
BT
Only for training and service purposes