Advertisement
KD-S700GN/KD-S700BU
KD-S7250
TC9490FA(IC521):DSP&DAC
1.Terminal layout & block daiagram
48
47
DV
49
SS3
RO
50
51
DV
DD3
LPF
52
DVR
53
LO
54
DV
SS3
55
ZDET
V
56
SS5
57
BUS0
58
BUS1
59
BUS2
60
BUS3
61
BUCK
62
/CCE
controller
interface
63
/RST
64
V
DD5
1
2
1-20
46
45
44
43
42
Clock
generator
1-bit
DAC
Address
circuit
16k
RAM
Audio output
Digital output
circuit
Micro-
3
4
5
6
7
41
40
39
38
37
PWM
Servo control
ROM
Digital equalizer
automatic
adjustment circuit
RAM
CLV servo
Sync signal
protection
EFM
Sub code
detector
8
9
10
11
12
36
35
34
33
32
TEZI
31
TEI
D/A
30
SBAD
29
FEI
A/D
28
RFRP
27
RFZI
26
RFCT
25
AV
24
RFI
Data
slicer
23
SLCO
22
AV
VCO
21
VCOF
20
RV
19
LPFO
PLL
TMAX
18
LPFN
17
TMAX
13
14
15
16
DD3
SS3
REF
Advertisement
