Block Diagram - Kenwood K-323 Service Manual

Compact hi-fi component system
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K-323
JK603
SPDIF
SPDIF0
(OPTICAL)
SPDIF1
JK604
USB
CD BLOCK
TN601
TUNER
AM/FM
1 PACK
AZ4580
JK601
L/R
AUX
IC602
AZ4580
L/R
D.AUDIO
IC603
AUDIO
SIGNAL
AD PART
CONTROL
JK602
RESONATOR
10MHz
SMPS
HIGH FREQUENCY
INVERTER
PWM
OSC
4

BLOCK DIAGRAM

IC105
DIGITAL AUDIO RECEIVER
CS8416(CIRRUS LOGIC)
IC601
OSC
24.576MHz
L/R
IC104
ANALOG
MULTIPLEXER
L/R
ADC
M74HC4052
PCM1808
(ST)
(TI)
IC207
E2PROM
D.LINK
M24C02-W
CIRCUIT
(ST)
2
I
INTERFACE
IC206
MICRO CONTROLLER
INPUT
LINE
AC85V-265V
INPUT FILTER
&
& RECTIFIER
AC85V-138V
HIGH FREQUENCY
INVERTER
COMP
PWM
REF
OSC
CONTROL
CIRCUIT
+3.3VS OUTPUT
RECTIFIER &
FILTER
MCLK
IC201
MCLK
DIR I2S DOUT
SDATA IN0
LRCK0
BCK0
SIGMA
DSP
AD1941
(ANALOG
MCLK
DEVICES)
LRCK0
BCK0
ADC DOUT
SDATA IN1
C
INTERFACE
DC POWER INPUT
FL(4.3V) OUTPUT
RECTIFIER &
FILTER
-27V OUTPUT
RECTIFIER &
FILTER
COMP
+19V OUTPUT
RECTIFIER &
FILTER
REF
+9V OUTPUT
RECTIFIER &
FILTER
+5.2V OUTPUT
RECTIFIER &
FILTER
CONTROL SIGNAL
IC203
PWM1+
D-CLASS
PWM1-
MCLK
AMP
LC OUTPUT
LRCK1
20W x 2cH
FILTER for
BCK1
EACH
SDATA0
TAS5706A
H-BRIDGE
PWM2+
(TI)
PWM2-
IC205
IC204
MCLK
DAC
HA AMP
LRCK1
HP-L
CS4344
TPA6111A2
BCK1
HP-R
(CIRRUS
(TI)
SDATA2
LOGIC)
IC202
DAC
MCLK
(whith
LRCK1
L/R
OP AMP)
BCK1
CS4352
SDATA1
(CIRRUS
LOGIC)
IC401
FL401
SPI
VFD DRIVER
PT6302
FL-DISPLAY
(PTC)
K-323
L
SPK
R
SPK
H/P
JK605
REC
OUT

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