Sony HCD-HX50BTR Service Manual page 45

IC701 BA6956AN
TSD
1 2 3 4 5
IC753, 754 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
IC702 TK11133CSCL-G
IC704 TK11118CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1 2
CONTROL LOGIC
6 7 8 9
– AMP Board –
IC701 PCM1808PWR
VCC
1C
4C
4I/O
4O/I
VREF 1
3O/I
3I/O
AGND
VCC
VDD
DGND
SCKI 6
LRCK 7
4
3
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
IC751 TC74VHC157FT (EKJ)
SELECT 11 1
S
1A 2 1A
INPUT
1B 3 1B
4
OUTPUT 1Y 1Y
2A 5 2A
INPUT
6
2B 2B
7
OUTPUT 2Y 2Y
3Y
GND 8
DELTA-SIGMA
MODULATOR
REFERENCE
DELTA-SIGMA
MODULATOR
2
3
POWER
SUPPLY
4
5
IC703 MC74VHC74DTR2
14 13 12 11 10
VCC
PR
D
CK
CLR
PR
D Q
Q
CK
CLR
1 2 3 4 5 6
16
V
CC
G 15 STROBE
4A
4A 14
INPUT
4B
13
4B
4Y 11 12 4Y OUTPUT
11 3A
3A
INPUT
10 3B
3B
3Y OUTPUT
9
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
× 1/64
SERIAL
DECIMATION
INTERFACE
FILTER
&
WITH
MODE/FORMAT
HIGH-PASS
CONTROL
FILTER
CLOCK & TIMING CONTROL
9 8
Q
Q
GND
7
14 VINR
13 VINL
12 FMT
11 MD1
10 MD0
9 DOUT
8 BCK
45