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µ
IC301 :
PD78P078GF-3BA
µ
8bit
-COM
No.
Port
Name
81
P67/ASTB
82
P100/TI5/TO5
TBL-L
83
P101/TI6/TO6
TBL-R
84
P102
85
P103
86
P30/TO0
CLOSE
87
P31/TO1
OPEN
88
P32/TO2
CL-DOWN
89
P33/TI1
CL-UP
90
P34/TI2
91
P35/PCL
92
P36/BUZ
93
P37
STAN
94
P90
95
P91
96
P92
97
P93
98
P94
99
P95
100
P96
IC3 : MN35511
Signal Processor & Controller
17
58 59 56
VDD
60
VSS
57
TIMING
DVDD1
4
GENERATOR
DVSS1
5
PITCH CONTROL
/RST
18
/TEST
71
FE
32
TE
33
MICRO COMPUTER
INTERFACE
RFENV
34
TRCRS
37
VDET
35
BDO
39
OUTPUT
PORT
/RFDET
38
OFT
36
10 43
41 40
I/O
N.C.
Table couterclockwise rotate signal output.
O
O
Table clockwise rotate signal output.
N.C.
N.C.
O
Tray close signal output.
O
Tray open signal output.
O
Clamp down signal output.
Clamp up signal output.
O
N.C.
N.C.
N.C.
M56748 standby control
O
I
Model detect 1
I
Model detect 2
Monitor 1
O
O
Monitor 2
O
Monitor 3
O
Monitor 4
Monitor (error)
O
19 49
69
8 7 9
44 46 45 47
DSL • PLL VCO
VCO
EFM DEMODULATION
SYNC INTERPOLATION
SUBCODE DEMODULATION
CIRC ERROR CORRECTION
SERVO
DEINTERLEAVE
CPU
INTER POLATION
SOFT MUTING
D/A
DIGITAL
CONVERTER
ATTENUATION
PEAK DETECT
AUTO CUE
11 12 30 31 28 27 22 25 42 29
26
21
16
1
3
Function
(775 : "H")
(775 : "H")
48 52 53 67
62 15 14
20
68 73 72 74 75 13 55
SUBCODE
BUFFER
16k
SRAM
DIGITAL
CLV
AUDIO
SERVO
INTERFACE
2
23
24
6
76 54
CDC-775
70
78 80 79
77
DIGITAL DE-EMPHASIS
8 TIMES
OVER SAMPLING
DIGITAL FILTER
PLL
VCOF2
61
VCO 2
DD type
DAC
PEM
PEM
(L)
(R)
51 63
64
66
65
50
18
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