Ic-Blockdiagramme - Grundig RR 630 CD Service Manual

RR 630 CD / RR 660 CD
IC-Blockdiagramme / IC Block Diagrams
IC702 KA9285D
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
GRUNDIG Service
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
SYSM
PE0
PE1 PWMI
RAM
XTSL
PE2
400 × 4bit
PE3 ASYE
SENS
PD0
PD1 FOK
GFS
PD2
SIO I/F
PX0 SQCK
RMC PX3 SQSO
RST
61 70 29 111
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
4 5 1 2 54 55 11 8 10 9 49 13 12
Servo Auto Digital
Sequencer CLV
16K
RAM
Analog
Out
OSC
108 106 105 104 103 102 101 100 99 98 97 96
110 109 107
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 32
33
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
3 - 23