Sanyo DC-DA90 - IC Block Diagrams and Descriptions; Key ICs: CD Driver, FM Front End, Power Amplifier; Other ICs: Preamplifier, Volume Control

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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
É -com
SLC
RF Amp
TE
T.SERVO & T.LOGICK
F.SERVO & F.LOGICK
SPINDLE SERVO
SLED SERVO
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1234567 891011121314
Vcc
Vcc
DRIVER MUTE
D.BUFD.BUFD.BUFD.BUF
D.BUFD.BUFD.BUFD.BUF
Level shift
Level shift
Level shift
Level shift
T. S. D
IC103 MM1469XH (CD Driver) IC201 LA1186N-AUDIO (FM Front End)
12
11
10
9
18
L1
(R1)
LT1
(RT1)
LT2
(RT2)
LT3
(RT3)
LT4
(RT4)
LTOUT
(RTOUT)
LVROUT
(RVROUT)
LTCOM
(RTCOM)
LVRIN
(RVRIN)
L2
(R2)
L3
(R3)
L4
(R4)
Vref
CL
DI
CE
CONTROL
SHIFT REGISTER
DECODER
LATCH
V
DD V SS
14
15
16
13
17
1.30
2.29
3.28
4.27
5.26
6.25
7.24
8.23
IC410 BA3314F (Dula Preamplifier with ALC Detector)
IC411 LC75932 (Function & Electric Volume)
IC412 TA8229K (Power Amplifier)