Read Harman Kardon AVR 151S (serv.man2) Service Manual online
AVR151 Block Diagram
AVR151 Block Diagram
To HDMI / BCO
UART & GPIO
SPDIF & Analog Audio
I2S I/F
UART
By Upgrade
o
l
t
a
tio
n
4
Lin
e
I
2S
1
Lin
e
I
2S
DAI 1
SPI
Flash
Me
mory
mory
M
ila
n
Co
ntr
o
HD
M
I
P
ar
t
C
omm
u
ni
c
a
a
lo
g
o
DA0 2
CS497024
DSP
CS497024
DSP
UART
GPIO
DAO
1
16M
S
D
Mi
la
n
A
n
a
Aud
io
USB
DAI 2
SPI
D
RAM
DSP Controls
Main MCU
STM32F205ZFT6
Main MCU
STM32F205ZFT6
GPIO
T i
t
IR In X 1
4
L
in
e
I
2
S
Trigger out
I2S Out
GPIO
4
Optical In
X 1
CS42528
C d
CS42528
C d
SPI
SPDIF
GPIO
VF
Co
n
n
SM
P
P
Co
n
n
Vo
lu
lu
Co
n
n
Tu
n
n
Co
n
n
ET
C
C
Coaxial
In x 1
Codec
Codec
SD
IN
8CH Analog
Input
SMPS
SMPS
D
n
trol
P
S
n
trol
u
me
n
trol
n
er
n
trol
C
SMPS
SMPS
2 16
2 16
Main MCU
8CH Analog
SW Pre out 1
SW Pre out 1
2x16
Dot
Matrix
2x16
Dot
Matrix
Main MCU
Main MCU
NJU72340
Volume
Source
NJU72340
Volume
Source
Analog In x 2
SW Pre out 1
SW Pre out 1
AB_Class AMP 5ch
AB_Class AMP 5ch
Analog
Input
Analo
g
Source
Selector
Source
Selector
H/P & MIC
H/P & MIC
Main MCU
Tuner Module
(
/
)
Tuner Module
(
/
)
&
Mux
g Output
Main MCU
(FM/AM)
(FM/AM)
Harman Kardon
AVR151, AVR151S Service
Manual
Page 119 of 131
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