Sanyo DC-MCR60 Service Manual page 11

IC BLOCK DIAGRAM & DESCRIPTION
IC102 LC78629E (DSP for CD Player)
EFMO VV
DD
9
1
Slice level
DEFI
Control
10
EFMIN
Syncrnous Detection
22
FSEQ
EFM Demodulation
CLV+ 12
CLV
Digital Servo
13
CLV-
14
V/*P
PW 49
Subcode
51
SBCK
Separation
47
SBSY
QCRC
50
SFSY
53
WRQ
Micro-computer
Inter Fase
55
SQOUT
*CQCK 57
COIN 56
Servo Commander
54
RWC
15 16 17 20 19 58
HFL TES TOFF JP- JP+ *RES
IC411 LC75392 (Single-Chip Electronic Volume Control System)
L1
12
(R1)
L2
11
(R2)
L3
10
(R3)
L4
9
(R4)
Vref 18
CL 14
DI
15
CE 16
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VV PDO ISET FR PCK TAI
SS
6 4 3 5 7 21 2
VCO Clock Oscillator
& Clock Control
C1 C2 Error Detection&
Correction Flag
General
PurposePort
18 34 24 25 26 27 28 29 48
TGL CONT1 CONT3 CONT5 EMPH/ EFLG
CONT6
PCLL CONT2 CONT4
8,2 7,2
CONTROL
TST11 TEST2 TEST4
TEST1 TEST3 TEST5 V V
DD SS
59 64 11 32 33 62 23 8
2K 8bits
X
RAM
Processing
8X Over Sampling
Crystal Oscillator
System Generator
60 61 46 52 45 44 43 39 41 35
16M 4.2M FSX XIN XV RV
DD DD
RV
XV XOUT SS MUTEL/
SS
CONT7
4,27
6,25 5,26 3,28 2,29
LATCH
DECODER
SHIFT REGISTER
- 10 -
VDD3V
63
RAM Address
Generatorl
Interpolalation
Mute
Digital Output
Digital Attenuator
Digital Filter
1bit DAC
L.P.F
40 37 42 38 36
RCHO LCHO MUTER/ LV LV
SS DD
CONT8
1,30
17
13
V V
DD SS
30 C2F
31 DOUT