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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
IC-Blockdiagramme / IC Block Diagrams
IC702
KA9258D
IC703 CXP401
85
86
87
88
89 90
91 92
LCD Controller/Driver
SEG4
84
SEG5
83
SEG6
82
SEG7
81
SPC500
CPU Core
SEG8
80
SEG9
79
SEG10
78
SEG11
77
SEG12
76
SEG13
75
SEG14
74
ROM
6K Byte
SEG15
73
PA0
66
PA1
67
PA2
68
PA3
69
T/C
Port
62
63 64
65
58 59 60
3 - 23
95 94
93
53
51
30 31
40
3
PORT I/F
CPU I/F
INT
SCOR
PY0
EMPHI
PY1
PY2
ACDT
RMUT
PY3
LMUT
PF0
DATA
PF1
XLAT
PF2
CLOK
PF3
XRST
PE0
SYSM
PE1
PWMI
RAM
PE2
XTSL
400 × 4bit
PE3
ASYE
SENS
PD0
PD1
FOK
GFS
PD2
SIO I/F
PX0
SQCK
RMC
PX3
SQSO
RST
61
70
29
111
4
5
1
2
54 55
11
8
10
9
49
13
12
Servo Auto
Digital
Sequencer
CLV
16K
RAM
Analog
Out
OSC
108
106
105
104
103
102
100 99 98 97 96
110
109
107
101
RR 640 CD / RR 670 CD
14 15 16 17 18 19 20 21 22
24
23
25 26
Digital
Asymmetry
PLL
Collector
EFM
Demodulator
D/A
I/F
EPROM
Collector
Test
Circuit
1-bit DAC
Digital Filter
37 36 35 34
33
32
GRUNDIG Service
52
WFCK
38
GTOP
39
XPCK
41
RFCK
42
C2PO
45
XROF
48
MNT0
47
MNT1
46
MNT3
50
DOUT
28
TEST0
27
TEST1
56
DTEST
57
CTEST
72
V
DD
71
V
SS
44
V
DD
43
V
SS
7
V
DD
6
V
SS
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