Sony HCD-HX50BTR Service Manual page 45

QQ
3 7 63 1515 0
IC701 BA6956AN
1 2 3
IC753, 754 TC74HC4066AFT (EL)
1I/O 1
1O/I 2
2O/I 3
2I/O 4
TE
L 13942296513
2C 5
3C 6
GND 7
IC702 TK11133CSCL-G
IC704 TK11118CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
www
BANDGAP
REFERENCE
.
1 2
http://www.xiaoyu163.com
TSD
CONTROL LOGIC
4 5 6 7 8 9
14 VCC
13 1C
12 4C
11 4I/O
10 4O/I
9 3O/I
8 3I/O
4
–
+
x ao
y
i
3
http://www.xiaoyu163.com
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
8
IC751 TC74VHC157FT (EKJ)
SELECT 11 1
1A 2
INPUT
1B 3
4
OUTPUT 1Y
5
2A
INPUT
2B 6
2Y 7
OUTPUT
GND 8
– AMP Board –
IC701 PCM1808PWR
DELTA-SIGMA
MODULATOR
Q Q
3 6 7 1 3
VREF 1
REFERENCE
DELTA-SIGMA
MODULATOR
AGND 2
VCC 3
POWER
VDD 4 SUPPLY
DGND 5
SCKI 6
LRCK 7
IC703 MC74VHC74DTR2
14 13 12 11
VCC
PR
D
CK
CLR
1 2 3
u163
.
2 9 9 4 2 8
16 V
CC
S
15
1A G STROBE
4A
1B 4A 14
INPUT
13 4B
1Y 4B
11 12 4Y OUTPUT
2A 4Y
3A
2B 3A 11
INPUT
2Y 3B 10 3B
3Y
9 3Y OUTPUT
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
× 1/64
DECIMATION
INTERFACE
1 5 0 5 8 2 9 9 4
FILTER
WITH
MODE/FORMAT
HIGH-PASS
CONTROL
FILTER
CLOCK & TIMING CONTROL
10 9 8
PR
Q
D
CK
Q
CLR
Q
Q
GND
m
4 5 6 7
co
9 9
14 VINR
13 VINL
12 FMT
SERIAL
11 MD1
2 8 9 9
10 MD0
&
9 DOUT
8 BCK
45