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IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9241ML (Servo Signal Processor)
FSS
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
41
40
39
38
37
36
35
34
33
42
32313029282726252423222120191817
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc1 LDS LDD BH1 PH1 LF2 VR REF1 Vcc2
DRF CE
DAT CL CLK DEF
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TOFF
TGL
JP+
JP-SL+SL-SLDSLEQSPDSP-SPGSP
NC
AGND
FE-FE
FA-FAFD-
FD
TO
JP
TD
TD-
TA
TH
SCI
TESI
TE
TE-
TB
F
E
FIN1
FIN2
APC
RF DET
REF
VCA
I/V
BAL
VCA
INTER FACE
U-COM
SLC
RF Amp
TE
T.SERVO & T.LOGICK
F.SERVO & F.LOGICK
SPINDLE SERVO
SLED SERVO
IC441 LC75343-MPB (Controllable Electronic Volume)
5
7
9
11
1
6
2
3
10
8
4
MUTE/
ST-BY
IN (L)
IN (R)
IN- (L)
IN- (R)
GND
OUT (L)
OUT (R)
-Vs
+Vs
IC442 TDA7265 (Stereo Amplifier)
32
33
34
35
36
1
2
3
4
5
6
RINP
RINM
ROPOUT
VDD
CL
DI
CE
VSS
LOPOUT
LINM
LINP
24
23
22
21
20
19
18
17
16
15
14
R5
R4
R3
R2
R1
Vref
L1
L2
L3
L4
L5
31
ROUT
RSB
30 29
RBASS2
RBASS1
28
RTRE
27
RVRIN
26
RSELO
25
7
LOUT
LSB
89
LBASS2
LBASS1
10
LTRE
11
LVRIN
12
LSELO
13
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
RVref
LVref
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