5
5
DR-BT10CX
DR-BT10CX
2-1. BLOCK DIAGRAM
• Signal path
F
: AUDIO
D103
(BLUE)
41
28
7
MIC301
MIC
RF_IN/OUT
ANT101
ANTENNA
48 A_IN_L_N/MIC_N
PIO_03
PIO_10
RESET-1
SP302
L-CH
HEADPHONE
DR–EX51PT
52
51
LED DRIVER
Q102
D102
(RED)
34
39
19
RESET-2
18
PIO_05
30
PIO_09
(MIC ON/OFF)
PIO_06
29
PIO_04
31
CORE_VDD
25
CORE_VDD
24
IO_VDD
15
IO_VDD
14
RF_VDD
2
AIO_00
(BATT VOLTAGE DET)
PIO_07
IC202
2.0V REG
A_IN_L_P/MIC_P
RECEIVER/TRANSMITTER,
MIC AMP, AF AMP,
BLUETOOTH CONTROL
A_OUT_L_P
A_OUT_L_N
SP301
R-CH
4
3 A_OUT_R_P
A_OUT_R_N
47
1
3
5
37
IC151
IC101
4
1
RESET
IC201
4
1
3
5
1.8V DC/DC
CONVERTER
POWER
SWITCH
Q201
POWER
ON/OFF
Q202
D201
STAT1
IC261
BATT
9
1
2
8
3
OUT
LI-ION BATTERY
CHARGE MANAGEMENT
10
TS
IN
VCC
CN201
LI-ION
RECHARGEABLE
BATTERY
3.7V
B301
CN251
BATTERY
CHARGING
STAND
36
PIO_11
(CHARGER INPUT DET)
38
PIO_08
(POWER SW IN)
PG
7
CE
VIN
VIN
VOUT
VOUT
RESET
S108
S307
MULITI FUNCTION
S305
S104
VOLUME–
POWER
S301
LX
VOUT
VIN
CE
