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IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9241ML (Servo Signal Processor)
Vcc1
LDS
LDD
BH1 PH1 LF2
64
63
62
61
60
59
APC
RF DET
VCA
FIN2
1
2
FIN1
I/V
3
E
BAL
VCA
F
4
5
TB
TE
TE-
6
7
TE
8
TESI
T.SERVO & T.LOGICK
9
SCI
TH
10
11
TA
TD-
12
F.SERVO & F.LOGICK
TD
13
14
JP
TO
15
16
FD
17
18
19
20
21
FD-
FA
FA-
FE
FE-
IC441 LC75343-MPB (Controllable Electronic Volume)
RINP
32
RINM
33
34
ROPOUT
VDD
35
CL
36
DI
1
2
CE
3
VSS
LOPOUT
4
LINM
5
6
LINP
VR REF1 Vcc2
FSS
DRF CE DAT CL CLK
DEF
58
57
56
55
54 53
52
51
50
49
REF
U-COM
INTER FACE
SLC
RF Amp
SPINDLE SERVO
SLED SERVO
22
23
24
25
26
27
28
29
30
31
32
NC
AGND
SP
SPG
SP-
SPD
SLEQ
SLD
SL-
SL+
JP-
31
30
CCB
INTERFACE
7
8
IC442 TDA7265 (Stereo Amplifier)
48
NC
MUTE/
5
ST-BY
IN (L)
7
47
TBC
46
FSC
DGND
45
44
SLI
43
SLC
42
RFS-
9
GND
41
RFSM
40
CV+
39
CV-
38
SLOF
37
HFL
IN (R)
11
36
TES
35
TOFF
TGL
34
33
JP+
29
28
27
26
RVref
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
LVref
9
10
11
12
- 5 -
+Vs
3
4
8
IN- (L)
10
IN- (R)
2
1
6
-Vs
25
24
R5
23
R4
22
R3
21
R2
20
R1
19
Vref
18
L1
17
L2
16
L3
15
L4
14
L5
13
OUT (L)
OUT (R)
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