Sony HCD-RG66 Service Manual page 35

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• IC Block Diagrams
IC731 LA9242M (BD BOARD)
TE
L 13942296513
IC751 LC78622NE (BD 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
COIN
56
www
RWC
54
.
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64 62
63
APC
FIN2 1
FINI 2
I / V
E 3
F 4
BAL
TB
5
TE- 6
+
- TE
TE
7
TESI
8
T. SERVO & T. LOGIC
SCI
9
TH 10
11
TA
12
TD-
- +
13
TD
JP 14
+
-
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
x ao
y
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
i
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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
ports Timing generation
u163
.
2 9 9 4 2 8
49
48 NC
47 TBC
46 FSC
45 DGND
LSC
SLI
44
+ -
SLC
43
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
L.P.F
m
co
HCD-RG66
9 9
2 8 9 9
30 C2F
31 DOUT
35