Bluetooth - LG KS360 Service Manual

3. TECHNICAL BRIEF

3.17 BLUETOOTH

General Features
The BlueCore 5-FM BGA is a single chip radio and baseband IC for Bluetooth 2.4 GHz systems
including enhanced data rates (EDR) to 3Mbits/s. It includes an integrated FM receiver with stereo
audio output stage and an RDS demodulator.
With the on-chip CSR Bluetooth software stack, it provides a fully compliant Bluetooth system to
v2.0+EDR of the specification for data and voice communications.
BLUETOOTH_CSR
R600
0
L600
C600
NA
DNI
C609
15p
FM_SND_R
FM_SND_L
C613 1000p
CLK32K
C615 1000p
26MHZ_BT
C616 820p
FM_ANT
C618 15p
FL600
LFB212G45BA1A220
UB
3
NC_DC
2
NC
1
VBALUN_BT
L603 18nH
C621
1.5p
LGE Internal Use Only
2V62_VIO
FB600
ANT600
GND1
FEED GND2
AMAN802015LG14
C601 C602
0.1u 1u
C606 C607 C608
15p 0.1u 2.2u
C610
15p
C611 47n
AU_REF
A3
SPKR_R
A4
SPKR_L
A5
C612 220n
R604 560
FILT_EXT
B3
CLK_32K
C9
LO_REF
C614 0.01u
K3
XTAL_OUT
J2
XTAL_IN
K2
L601 33nH L602 470nH
FM_P
B1
15p FM_N
C619
820p A1
C617
AUX_DAC
B5
RX_N
D1
RX_P
E1
B1 RF_P
F1
5
G2 RF_N
G1
6
B2
7
2V62_VIO
R606
R607
Figure 20. Bluetooth / FM Radio Circuit Diagram
VBALUN_BT
C603 C604 C605
22n DNI 15p
BLUECORE5-FM
M600
C620
DNI
R605
2.2
470K
47K
C625
C626
2.2u
DNI
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 50 -
I2C_DATA
C8
I2C_CLK
C7
USB_DN
K6
USB_DP
J7
UART_CTS UART_BT_RTS
H6
UART_RTS UART_BT_CTS
H5
TP600
UART_BT_TX
UART_RX
K7 TP601
UART_TX UART_BT_RX
J8
PCM2_CLK
D9
PCM2_SYNC
D10
PCM2_IN
E10
PCM2_OUT
D8
TP602
PCM_CLK I2S1_CLK
H9 TP603
PCM_SYNC I2S1_WA0
J10 TP604
PCM_IN I2S1_TX
K8
TP605
I2S1_RX
PCM_OUT
H7
2V9_VAUX
FB601
C623 C624
2.2u 0.1u
Only for training and service purposes