Inhaltsverzeichnis
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KM 12
IC-Block-Diagramme / IC Block Diagrams
IC01 CXA1782BG
IC02 TC9173P
I/O-10
CK
SI
SO
(OP-10)
14
13
12
11
I/O-9
STB
15
10
(OP-9)
SERIAL I/O
CONTROL CIRCUIT
C
Y
I/O-8
16
9
V
DD
(OP-8)
LATCH
I/O-7
GND
1
8
(OP-7)
LATCH
I/O-1
I/O-6
2
7
(OP-1)
(OP-6)
DRIVER
3
4
5
6
I/O-2
I/O-3
I/O-4
I/O-5
(OP-2)
(OP-3)
(OP-4)
(OP-5)
Note: The name in ( ) is the terminal name for TC9174P/F.
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
IC04 CXA2508Q
EMPHI
63
LRCK1
43
PGMDI
45
BCK1
47
6
MUTE
BCK
46
BCMD
44
LRCK
42
WDCK
41
D/A
C2PO
54
Interface
RFCK
52
58
MNT0
error
MNT1
57
corrector
MNT3
56
WFCK
64
EMPH
62
EFM
GFS
51
demodulator
XUGF
49
GTOP
48
asymmetry
clock
corrector
generator
59 60
36 38 39 40 37
IC102 LA1831
3 - 19
KM 12
IC03 BA5941FP
–
15
+
73 74
66 65
+
16
–
69 NLPWM
70 LPWM
Digital Filter
+
–
78 RPWM
17
+
1bit DAC
77 NRPWM
+
18
–
61 DOUT
19
Vcc
digital
OUT
55 XROF
µC
20
27 LOCK
digital
26 MDS
CLV
21
25 MDP
24 MON
16K RAM
5 SQCK
4 SQSO
3 EXCK
2 SBSO
22
1 SCOR
CPU
+
22 XLON
Interface
–
19 SPOB~D
SUB code
23
Processor
11 CLOK
10 XLAT
9 DATA
24
7 SENS
10K
25
17 CLKO
26
digital
Servo auto
16 XLTO
sequencer
PLL
10K
15 DATO
27
28
50 29 30 31 34
23
13
14
IC103 LC7218
XIN
1
XOUT
24
FMIN
19
AMIN
18
CE
2
DI
3
CL
4
DO
5
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
IC101 LA1186N
20K
20K
–
14
+
+
13
–
20K
20K
20K
20K
–
12
+
+
11
–
20K
20K
Vcc
10
9
8
7
19.9K
19.9K
10K
6
5
10K
4
19.9K
19.9K
3
2
Vcc
1
SYC
6
LC7218
REFERENCE
PHASE DETECTOR
DIVIDER
CHARGE PUMP
1
SWALLOW COUNTER
2
1/16, 1/17 4BIT
12 BIT PROGRAMMABLE
DIVIDER
SHIFT REGISTER
UNIVERSAL
LATCH
COUNTER
9
10
11
12
13
14
17
7
8
OUT0
OUT1
OUT2
OUT3
OUT4 OUT5 OUT6
IN0
IN1
21
PD1
22
PD2
16
HCTR
15
LCTR
20
V
DD
23
Vss
3 - 20
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