Sony AVD-S50 Service Manual page 76

AVD-S50/S50ES
IC215 SN74ALVCH16841 (DVD Board)
1 OE LE 56 1LE
1OE
1D1 2
55
1D2 3
54
GND 4 53
1D3
5 52
1D4 6
51
VCC 7 50
LATCH
1D5
8 49
1D6 9
48
GND 10 47
1D7
11 46
1D8 12
45
1D9 13 44
1D10 14 43
2D1 15 42
2D2 16 41
2D3
17 40
GND 18
39
2D4 19 38
2D5
20 37
2D6 21
36
LATCH
VCC 22 35
2D7
23 34
2D8
24 33
GND 25 32
2D9 26 31
2D10
27 30
2OE 28 OE LE 29 2LE
IC602 PCM1800 (DVD Board)
24 23
SINGLE-END
DEFERENTIAL
CONVERTER
1
76
1Q1
1Q2
GND
CE
1Q3
CL
1Q4
XSEL
MODE0
VCC
MODE1
1Q5
DGND
1Q6
DVDD
GND
1Q7
1Q8
1Q9
DOSEL0
1Q10
DOSEL1
CKSEL0
2Q1
CKSEL1
2Q2
XMODE
2Q3
GND
2Q4
2Q5
2Q6
VCC
2Q7
2Q8
GND
2Q9
2Q10
22 21 20 19
DIGITAL ∑
MODULATOR
DIGITAL ∑
MODULATOR
SINGLE-END
REFERENCE DEFERENTIAL
CONVERTER
2 3 4 5
IC606 LC89056W (DVD Board)
36 35 34 33 32 31
37
38
SAMPLING
39
FREQUENCY
MICROCOMPUTER
40
INTERFACE
41
LOCK
42
DETECT
43
44
DATA
DEMODULATOR
45
46
47
48
INPUT
CIRCUIT
1 2 3 4
18 17 16
1/64
SERIAL I/O
DECIMATION
INTERFACE
FILTER
&
&
MODE/FORMAT
LOW-CUT
CONTROL
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
6 7 8
30 29 28 27 26 25
24
C BIT PA/PB
DETECT DETECT
23
22
21
X' TAL
20
19 DVDD
18 DGND
17
16
15
14
TIMING
13
PLL
5 6 7 8 9 10 11 12
15 14 13
9 10 11 12
AUDIO
EMPHA
XIN
XOUT
XMCK
XSTATE
DATAO
LRCK
BCK
CKOUT