Read Sony ST-S90D Service Manual online
ST-S90D
11
11
• IC Block Diagrams
– DSP Board –
– DSP Board –
IC604
LC89056W-E
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
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
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
3.6 Vp-p
354 ns
3.7 Vp-p
74.1 ns
4 Vp-p
354 ns
3.9 Vp-p
22.7
µ
s
3.8 Vp-p
22.7
µ
s
4.6 Vp-p
74.1 ns
2.7 Vp-p
62.5 ns
2.6 Vp-p
30.5
µ
s
3.5 Vp-p
250 ns
4 Vp-p
74.1 ns
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC501 qa (XCOUT)
– DSP Board –
1
IC601 9 (MCLK1), IC604 w; (XMCK),
wa
wa
(XOUT)
2
IC501 qd (XOUT)
7
IC601 wl (BCKI2), IC604 qf (BCK)
2
IC601 qf (SCKOUT)
8
IC606 qh (MCLK (I))
6
IC601 wk (LRCKI2), IC604 qg (LRCK)
4
IC601 w; (BCKO), IC605 4 (BCK),
IC606 1 (BCK (I))
IC606 1 (BCK (I))
3
IC601 ql (LRCKO), IC605 5 (LRCK),
IC606 3 (LRCK (I))
IC606 3 (LRCK (I))
4.4 Vp-p
88.6 ns
5
IC601 ws (KFSIO), IC604 qd (CKOUT)
– PANEL Board –
1
IC601 id (XOUT)
IC606
PCM1748E/2K
SCK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
VOUTL
VOUTR
DGND
VDD
VCC
VCOM
AGND
FUNCTION
CONTROL
INTERFACE
SYSTEM
CLOCK
MANAGER
8 TIME OVER
SAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
ZERO DETECT
POWER SUPPLY
12
11
ZEROL
ZEROR
15
14
ML
MC
16
13
MD
SYSTEM
CLOCK
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