Sony STR-K990 - Page 39

39
STR-K990
•Waveforms
– DIGITAL Board –
1 IC1501 9 (MCLK1)
1 V/DIV, 40 ns/DIV
72 ns
3.2 Vp-p
2 IC1101 id (X1)
1 V/DIV, 20 ns/DIV
41.6 ns
4 Vp-p
3 IC1301 ws (XIN)
1 V/DIV, 40 ns/DIV
81 ns
4.1 Vp-p
– DIGITAL Board –
IC1301 LC89056W-E
• IC Block Diagrams
38 37
36
23 24
1
2
3
4
5
44
8
9
10
46
17 222120
30
35
25
26
27
28
29
32
33
34
16
45
13 14
15
47 40
41
48
CLK
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
SPDIF
DINO
DINI
DIN2
6
D.GND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18
DGND
19
DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
LOCK
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1 MODE0
MODE1
42
DGND
43
DVDD XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
IC1503 TC7WH157FU
1
2
3
4
8
7
6
5
Vcc
1Y
2B
2A
1A
1B
2Y
GND