Casio CD-311S Service Manual page 31

IC502: TC9284BF
64
65
80
1
40 39
41
2VREF
42
SEL
43
FCSI
44
FKIC
FEL2 45
46
FEL1
47
FEI
TESH
48
TEOF 49
50
SBAD
51
RFRP
52
VREF
RF1 53
54
GNDA
DTSC2
55
MONIT 56
57
DTSC1
VDDA
58
PDCNT
59
PDO
60
TNAX
61
LPFN
62
LPFO 63
VCOF 64
Internal
65 66
41
40
25
24
38 37 36 35 34 33 32 31
Focus/Tracking Servo Tracking Search
Control Circuit
Servo Status Signal
Generating Circuit
16 K RAM
Address Circuit
Crrection
Output Circuit
(Audio Output)
Status
67 68 69 70 71 72 73 74 75
30 29 28 27 26 25
Correction
Sydtem
Timing
Generator
Correction
Circuit
Digital
DA
Out
Converter
76 77 78
29
24 CLCK
23 SUBD
22 SUBSYC
21
RST
20 4MCK
19 BUCK
18 CCE
17
BUS3
16
BUS2
15 BUS1
14
SUS0
13
GNDD
12
VDDD
11 SBOK
10 TEST5
9
TEST4
8
TEST3
7
GNDA
6
LO
5
LO
4
VDA
3
RO
2
RO
1 GNDA
79 80