Bose Companion 5 - Block Diagram

23
REMOTE
TAS1020B
USB Controller and
Microprocessor
3.3V
Reg
TITLE
VRAW
5V 3.3V
Filter
TDA8566
Amplier
Filter Filter Filter Filter Filter
WM8772 or AK4626
CODEC
o
D
DACs
ADCs
TI DSP
TMS320DA71
0
Reg
Bose Brand FET
Quasi-Regulator
VRAW
3.3V 1.2V
Audio clock
master
Audio clock
slave
Audio clock
slave
McASPs
EEPROM
I2C Bus
EEPROM
I2C Bus
RAMP
GENERATO
R
TOUCH
SENSO
R
Bass Knob
Thermistor
MUTE
Volume
Headphone
Aux I
n
USB Input
3.3V
VSNUB
1.2V
Reg
VRAW
Thermistor
113
115
116
120
119
RT6307
RT6206
Q6101
135
131
134
U7000
U150
TDA8566
Amplier
U350
TDA8566
Amplier
U250
Left
Right
Left Surround
Right Surround
Bass
27
13 15
16
18
16
18
13 15
13 15
16
18
2
3
8
9
2
3
8
9
2
3
8
9
28
25
23
26
24
9
U50, U51
U902, Q9031
Q10
U11
10V
Reg
U20
5V
6
D- D+
5V
38
26
25
7
6
U6000
U4000
Q6202
Q6203
Audio Path
U1000
Companion 5 Block Diagram
117
Block Diagram