Sony HCD-CX4iP Service Manual page 31

IC580, 590 TPS2553DBVR
IN 1
CHARGE
GND 2
PUMP
EN 3
UNDERVOLTAGE
LOCKOUT
IC681 PCM1808PWR
DELTA-SIGMA
MODULATOR
VREF 1 REFERENCE
DELTA-SIGMA
MODULATOR
AGND 2
VCC 3
POWER
VDD 4 SUPPLY
DGND 5
SCKI 6
LRCK 7
IC682 TC74HC4066AFT (EL)
1I/O 1 14
13
1O/I 2 12
2O/I 3 11
2I/O 4 10
2C 5 9
3C 6
GND 7 8
RREVERSE VOLTAGE
COMPARATOR
–
+
CURRENT
SENSE
4-ms
DEGLITCH
CURRENT
DRIVER
LIMIT
8-ms
DEGLITCH
THERMAL
SENSE
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
1/64
DECIMATION
INTERFACE
FILTER
WITH
MODE/FORMAT
HIGH-PASS
FILTER
CLOCK & TIMING CONTROL
VCC
1C
4C
4I/O
4O/I
3O/I
3I/O
6 OUT
5 ILLM
4 FAULT
14 VINR
13 VINL
12 FMT
SERIAL
11 MD1
10 MD0
&
9 DOUT
CONTROL
8 BCK
HCD-CX4iP/CX5iP
31