Sony HCD-HX7 - Compact Disc Receiver Service Manual page 48

HCD-HX3/HX5/HX7
IC308 MM1615ANLE
5
BIAS
REFERENCE
–
+
THERMAL
SHUTDOWN
1 2 3
IC313 TC74VHC157FT (EKJ)
SELECT 11 1 16 V
CC
S
1A 2 1A G 15 STROBE
INPUT
1B 3 1B 4A 14 4A
4 4B
1Y 1Y 4B 13
OUTPUT
5 11 12 4Y
2A 2A 4Y
INPUT
3A
2B 6 2B 3A 11
2Y 7 2Y 3B 10 3B
OUTPUT
3Y
GND 8 9 3Y
– AMP Board –
IC701 PCM1803DBR
DELTA-SIGMA
VINL 1
MODULATOR
VINR 2
VREF1 3
REFERENCE
VREF2 4
DELTA-SIGMA
MODULATOR
VCC 5
POWER
SUPPLY
AGND 6
PDWN 7
BYPAS 8
TEST 9
LRCK 10
48
4
CURRENT
LIMITTER
DRIVER
INPUT
OUTPUT
INPUT
OUTPUT
× 1/64, × 1/128
DECIMATION
INTERFACE
FILTER
WITH
MODE/FORMAT
HIGH-PASS
CONTROL
FILTER
CLOCK & TIMING CONTROL
IC311, 312, 318 TC74HC4066AFT (EL)
1I/O 1
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
IC320 BA6956AN
1 2 3
20 MODE1
19 MODE0
18 FMT1
17 FMT0
SERIAL
16 OSR
& 15 SCKI
14 VDD
13 DGND
12 DOUT
11 BCK
14 VCC
13 1C
12 4C
11 4I/O
10 4O/I
9 3O/I
8 3I/O
TSD
CONTROL LOGIC
4 5 6 7 8 9