Infinity kappa series

K4
Block Diagram
K4
Block
Diagram
ANT
Audio Signal:
MCUUART
MIC
Power Signal:
Control Signal:
BM153
oscillator
MCLK
I2SforMusic
FL
LINE OUTPUT
upgrade
AnalogforSpeech
DIF
DIF
DSP
FL
FR
FR
LINE

OUTPUT
OP
GAIN
DIF
DIF
WM8281
FR
RL
RL
O
OP
GAIN
DIF
RR
LPF
RR
O
P
GAIN
DIF
HI*4
MCU
STM32F103C8
SPI
MCUUART
LPF
OP
ADC*4
FORLCD
control
SW
STM32F103C8
128K(105Ԩ)
4Channel
AMP
SPI
Crossover
control

box
Audio
DET (6V)
LED
expander
ADAS
AMP
S25FL132K
0XMFI011
SPI
SPEAKER*4
DET

(6V)
AudioDET
*4
ADAS
CD4053*2
Rotate
Switch
3.3VMCU
3.3VDSP
REM out
Rem in
MCU
(
TBD
)
HIlevelRem
protection
Secondsidepower
DC‐DC
SW
LDO
REM

out
()
(105Ԩ)
Controlbox Rem
1.2VDSP
Power
+12V
AMP
OP
Rem
SW
3.3VBT
Remotein
Remoteout
Rem In
3
HARMAN INTERNATIONAL. CONFIDENTIAL. COPYRIGHT 2014.
10minnoBTconnectandsignalinputwillintostandby
Primarysidepower