Block Diagram - Kenwood KAC-PS4D/X4R Service Manual

KAC-PS4D/X4R
15V
RCA IN AL ISO A VR
RCA IN AR ISO A VR
RCA IN BL ISO A VR
RCA IN BR ISO A VR
E2PROM
CURRENT
DETECTOR
VOLTAGE
DETECTOR-1
VOLTAGE MICRO
DETECTOR-2 COMPUTER
TEMPERATURE
DETECTOR
OUTPUT DC
DETECTOR
2

BLOCK DIAGRAM

15V 15V 5V,3.3V
IC307
AMP SE to DIF
ADC Ach
AMP SE to DIF
AMP SE to DIF
ADC Bch
AMP SE to DIF
5V-3V
INTERFACE
IC900
RESET IC
PCON
DETECTOR
FL
DRIVER
ROTARY SLIDE
ENCODER SWITCH
HV, 15V
12V,5V,3.3V,1.8V
IC1
DRIVER
PWR FET
DSP
DRIVER PWR FET
DRIVER PWR FET
DRIVER PWR FET
FEEDBACK, DPSC, ADCS
DSP
IC310
P/S FDFWD
DAC RCA OUT
DAC
L/R L/R
DSP
5V, 3.3V ADC
SPDIF
USB
ANTI PUMP
FEED BACK
P/S FDFWD
IC705
ADC
A5V REG
FEED BACK
DAC
IC512
SPDIF
D5V REG
FINAL
ANTI PUMP
FINAL
ANTI PUMP
FEED BACK
IC500
ISO AMP
SE to DIF
15V REG
FEED BACK
P/S FDFWD
FINAL
FL
ANTI PUMP
ON/OFF CONTROL
FILTER SP OUT AL
FILTER SP OUT AR
FILTER SP OUT BL
FILTER SP OUT BR
OVERCURRENT DETECTION
IC511
1.8V SW
REG
IC510
3.3V SW
REG
IC503
12V REG
+14.5V SW
REG
TRANSFORMER*2
+HV REG
LC
FILTER
HV REG
Q911
BU5V
REG
PWM
CONTROL
MICRO
IC101,102,201,202
FUSE
BATT14.4V
GND