Bluetooth - LG F3000 Service Manual

3.13 BLUETOOTH (LBMA-2C67B2,M701)
BT_EN
(GPIO_2)
C746
2V8_VBT
C748
0.1u
U703
TC7SH08FS
5
1
VCC
PCM_TX
4
3
USC3
GND
2
VBAT
U702
VIN VOUT
3 4
GND BGND
R733 330 2 6
STBY NC
1 5
BH28FB1WHFV
C747 C745
15p 2.2u 0.1u
PCM_SYNC8 (GPIO_9)
2V8_VMEM
C751
U704
0.1u
MAX4717EBC-T
(GPO_18)
C2 C4
PCM_EN PCM_RX
IN1 NO1
A2 A4
IN2 NO2 PCM_TX
C3 C1
USC_1 USC1
COM1 NC1
A3 A1
USC_2 USC2
COM2 NC2
R745
10K
Figure 3-25. BT MODULE
3. TECHNICAL BRIEF

BLUETOOTH

2V8_VBT
C743 C744
2.2u 15p
M701 LBMA-2C67B2
16
BT_RST
RESETB VDD_1_8V
VDD_VREGIN
1
PIO0
2
PIO1
7
PIO2
8
PIO3
9
PIO4
10
PIO5
UART_RX
28
NC UART_RTS
UART_CTS
TP710 13
SPI_CLK
TP711 14
SPI_CSB PCM_OUT
TP712 12
SPI_MOSI PCM_SYNC
TP713 15
SPI_MISO PCM_CLK
- 47 -
BT701
FEED NC2
NC1
ACS2450EBAF30
2V8_VBT
22
21
L701 22nH
VDD_DIG
3
C749 C750
4
GND1 2.2u 2.2u
6
GND2
11
GND3
25
GND4
R739 47
27
UART_TX DEBUG_RX (GPIO_33)
24 R740 47
DEBUG_TX (GPIO_34)
23
26
R741 47
19
PCM_IN PCM_TX
17 R742 47
PCM_RX
18
R743 47
PCM_SYNC8
20 R744 47
USC0