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Ic Block Diagram & Description - Sanyo DC-DA2000 (XE) Service Manual

Micro component system
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IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9242M-MPB (Servo Signal Processor)
Vcc1
64
FIN2
1
2
FIN1
3
E
4
F
5
TB
6
TE-
7
TE
8
TESI
9
SCH
10
TH
11
TA
TD-
12
13
TD
14
JP
15
TO
FD
16
IC442 TA8229K (Power Amplifier)
VCC2
8
11
IN-1
-
Ch-1
+
10
NF1
BIAS CIRCUIT
RIPPLE
9
THERMAL CUT-OFF
MINAL
PROTECTION
12
IN-2
-
Ch-2
+
13
NF2
14
PRE
GND1
GND2
LDS
LDD
BH1 PH1
63
62
61
60
APC
RF DET
VCA
I/V
BAL
VCA
TE
T.SERVO & T.LOGIC
F.SERVO & F.LOGICK
17
18
FD-
FA
FA-
VCC1
4
6
B.S.1
5
OUT-1
POWER
7
GND
3
OUT-2
2
B.S.2
15
PRE
LF2
VR REF1 Vcc2
FSS
59
58
57
56
55
REF
INTER FACE
SPINDLE SERVO
19
20
21
22
23
24
25
26
FE
FE-
AGND
SP
SPI
SPG
SP-
IC446 NJM78L05A (Stabilized Power Supply)
R13
Q10
R14
Q15
Q11
R5
R15
Q9
R1
R16
Q1
Q2
R17
- 8 -
DRF CE DAT CL CLK
DEF
54 53
52
51
50
49
48
47
46
45
44
SLC
43
42
RF Amp
41
40
39
38
37
36
35
34
33
SLED SERVO
27
28
29
30
31
32
SPD
SLEQ
SLD
SL-
SL+
JP-
Q6
Q5
R11
Q13
R9
Q8
Q7
R2
R4
Q4
R8
Q3
R3
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TOFF
TGL
JP+
3 V
I
Q12
Q14
R12
R10
1
Vo
R6
R7
GND
2

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