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7-2. IC BLOCK DIAGRAMS
IC101 LA9240M
64
63
62
APC
VCA
FIN2
1
FINI
2
I / V
3
E
F
4
BAL
VCA
TB
5
TE-
6
+
-
TE
TE
7
TESI
8
T. SERVO & T. LOGIC
SCI
9
TH
10
11
TA
12
TD-
- +
F. SERVO & F. LOGIC
13
TD
14
JR
+
-
TO
15
FD
16
17
18
IC102 LC78622E
SLICE LEVEL
1
DEFI
CONTROL
VCO CLOCK OSCILLATION
TAI
2
CLOCK CONTROL
PDO
3
VVSS
4
ISET
5
VVDD
6
FR
7
VSS
8
9
EFMO
EFMIN
10
TEST2
11
CLV+
12
CLV
DIGITAL SERVO
CLV-
13
V / P
14
HFL
15
TES
16
61
60
59
58 57
56
55 54 53 52 51 50
REF
RF DET
µ-COM
INTERFACE
SPINDLE SERVO
+ -
+ -
19
20
21
22
23
24
25
26
27
64
63
62
61
60
59 58 57 56 55 54 53 52
SYNCRONOUS DETECTION
EFM DEMODULATION
C1, C2
ERROR DETECTION
&
CORRECTION
FLAG PROTCESS
SERVO
COMMANDER
GENERAL PORT
22
17
18 19 20 21
23 24 25 26 27
49
48
NC
47
TBC
46
FSC
45
DGND
LSC
SLI
44
+ -
43
SLC
42
RFS-
+ -
41
RFSM
RF AMP
40
CV+
39
CV-
38
SLOF
37
HFL
36
TES
TOFF
35
34
TGL
33
JP+
SLED SERVO
+
-
28
29
30
31
32
51
50
49
SUBCODE CLASSIFICATION
QCRC
µCOM
INTERFACE
XTAL
TIMING GENERATOR
2K x 8BIT
RAM
MUTE
RAM ADDRESS
GENERATOR
DIGITAL
ATTENUATOR
OVERSAMPLING
1BIT DAC
DIGITAL FILTER
DIGITAL OUT
28
29
30
31
32
— 30 —
48
EFLG
47
SBSY
46
XVSS
45
XIN
44
XOUT
43
XVDD
42
MUTER
41
RVDD
40
RCHO
39
RVSS
L.P.F
38
LVSS
37
LCHO
36
LVDD
35
MUTEL
34
N.C
33
TEST4
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