Ic Block Diagrams - Sony HCD-RG4SR Service Manual

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5-16. IC BLOCK DIAGRAMS

IC731 LA9241M (CD BOARD)
TE
L 13942296513
IC751 LC78622NE (CD BOARD)
DEFI
1
EFMIN
10
FSEQ 22
CLV+
12
CLV-
13
V/P
14
PW
49
SBCK
51
SBSY
47
SFSY
50
CS
63
WRQ
53
SQOUT
55
CQCK
57
www
COIN
56
RWC
54
15 16 17 20 19 58 18 34 24 25 26 27 28 29 48 60 61 46 52 45 44 43 39 41 42 40 37 35 38 36
.
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64 62
63
APC
FIN2 1
2
FINI
I / V
3
E
F 4
BAL
TB
5
TE- 6
+
TE
-
TE
7
TESI
8
T. SERVO & T. LOGIC
SCI
9
10
TH
TA 11
TD- 12
- +
13
TD
14
JR
+
-
TO 15
FD 16
9 6 4 3 5
Slice level VCO clock oscillator
control Clock control
Synchronization
detection
EFM demoduration
CLV digital
servo
Subcode
separation
QCRC
Microprocessor
interface
Servo General-purpose
command ports
x ao
y
i
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HCD-DX10/RG4SR/RG20/RG30T
8
61 60 59 58 57 56 55 54 53 52 51 50
REF
RF DET
VCA
∝-COM
VCA
INTERFACE
F. SERVO & F. LOGIC SPINDLE SERVO
+ -
+ -
17 18 19 20 21 22 23 24 25 26
Q Q
3 6 7 1 3
7 21 2 59 64 11 32 33 62
2k x 8-bit RAM
C1 and C2 error detection
and correction
Flag processing
Crystal oscillator system
Timing generation
u163
.
2 9 9 4 2 8
49
48
NC
47 TBC
46 FSC
45 DGND
LSC
SLI
44
+ -
43 SLC
42
RFS-
+ -
41 RFSM
RF AMP
40 CV+
39 CV-
38 SLOF
37
HFL
36
TES
TOFF
35
34 TGL
33 JP+
SLED SERVO
+
-
27 28 29 30 31 32
1 5 0 5 8 2 9 9 4
23 8
RAM address
generator
Interpolation
and muting
Bilingual
Digital
output
Digital
attenuator
8x oversampling
digital filters
1-bit DAC
m
L.P.F
co
9 9
2 8 9 9
30 C2F
31 DOUT
31