Panasonic SC-HC40PC

92
14.4. BLUETOOTH BLOCK DIAGRAM
IC320
1 -
CN302-
2-
CN302-
4-
CN302-
5-
CN302-
8-
CN302-
6-
CN302-
47
CN300CN6803
251
CN6801CN900
3.3V
BLUETOOTH
DEVICE
BLUETOOTH
ANT
2.4GHz
RADIO
I/O
RAM
BASEBAND DSP
MCU
Kalimba DSP
HIGH FREQUENCY
MULTILAYER CHIP FILTER
FLASH MEMORY
XTAL
RESET
OP-AMP
OP-AMP
BLUETOOTH RADIO & BASEBAND IC
RF IN/OUT RF+/RF-
BT L IN
MIC OUT
38
CN300CN6803
242
CN6801CN900
MIC MUTE
MIC OUT
MIC MUTE
BT R IN
BT L N
BT L P
BT R N
BT R P
BT L N
BT L P
11 -
CN302-
12-
CN302-
BT RXD
BT TXD
BT UART IN
BT UART OUT
BT R N
BT R P
M330
Q320
MUTING
QR805
LED DRIVE
3
1
5
7
OP-AMP
C0ABBB000230
7
2
3
6
5
1
OP-AMP
C0ABBB000230
IC302
BT L
BT R
BT UART IN
MIC MUTE
92
CN300CN6803
215
CN6801CN900
BT CONNECT
BT CONNECT
BT CONNECT
BT UART OUT
D901
5.5V
SC-HC40PC BLUETOOTH BLOCK DIAGRAM
BLUETOOTH P.C.B. VERTICAL MAIN P.C.B. IR P.C.B.
TO AUDIO
FROM/TO
SERVO/
SYSTEM CONTROL
FROM
SERVO/SYSTEM CONTROL
MIC
PANEL P.C.B.
: MIC/BLUETOOTH AUDIO INPUT SIGNAL LINE