Inhaltsverzeichnis
Werbung
RCD 2000
Display
49
rec
ANODE CONNECTION
14G
13G, 12G
11G ~ 7G
6G
5G
rec
P1
B1
a
a
a
P2
B2
b
b
b
P3
B3
f
f
f
P4
B4
k
k
k
P5
B5
j
j
j
P6
B6
h
h
h
P7
S2
B7
m
m
m
P8
S3
B8
g
g
g
P9
B9
n
n
n
P10
B10
p
p
p
P11
B11
r
r
r
P12
B12
-
co
-
P13
S9
B13
c
c
c
P14
S10
B14
e
e
e
P15
B15
d
d
d
P16
B16
-
-
-
P17
-
B17
-
-
-
P18
-
B18
-
-
-
14G
13G
B5
B4
B3
B2
B6
B1
S1
B9
B8
B7
B10
B11
S2
S3
B14
B12
S4
B13
S5
B15
S6
B16
rec
B17
B18
co
11G
10G
9G
8G
7G
6G
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
PIN-No. . Connection
1 ............. F1
2 ............. F1
3 ............. F1
4 ............ N.P.
1
5 ............ N.P.
6 ............ P18
7 ............ P17
8 ............ P16
9 ............ P15
10 ........... P14
11 ........... P13
12 ........... P12
13 ........... P11
14 ........... P10
15 ............ P9
16 ............ P8
17 ............ P7
18 ............ P6
19 ............ P5
20 ............ P4
kHz
MHz
21 ............ P3
22 ............ P2
23 ............ P1
24 ........... N.C.
25 ............ I.C.
26 ........... N.P.
27 ........... G.d.
4G
3G, 2G
1G
28 ........... G.d.
29 ........... N.P.
a
a
a
30 ............ I.C.
b
b
b
31 ............ 1G
32 ............ 2G
f
f
f
33 ............ 3G
k
k
k
34 ............ 4G
35 ............ 5G
j
j
j
36 ............ 6G
h
h
h
37 ............ 7G
38 ............ 8G
m
m
m
39 ............ 9G
g
g
g
40 ........... 10G
n
n
n
41 ........... 11G
42 ........... 12G
p
p
p
43 ........... 13G
r
r
r
44 ........... 14G
45 ........... N.P.
Dp
-
-
46 ........... N.P.
c
c
c
47 ............ F2
48 ............ F2
e
e
e
49 ............ F2
d
d
d
F1, F2
: Filament
-
-
kHz
N.P.
: No Pin
-
-
MHz
N.C.
: No Connection
1G ... 14G : Grid
-
-
-
I.C.
: Internal Connection
G.d.
: Diffusion Grid
12G
14G
B2
B3
B4
B5
B1
B6
S8
B7
B8
B9
B10
B11
S7
B14
B12
S9
S10
B13
S11
S12
B15
B16
B17
B18
S13
Dp
a
h j
f
b
k k
g
m m
n
r
e
c
kHz
p
MHz
d
5G
4G
3G
2G
1G
RCD 2000
IC-Innenbeschaltungen / IC Block Diagrams
IC120 (LC7218M)
SYC
6
REFERENCE
PHASE DETECTOR
XIN
1
DIVIDER
CHARGE PUMP
XOUT
24
1
SWALLOW COUNTER
FMIN
19
2
1/16, 1/17 4BIT
12 BIT PROGRAMMABLE
AMIN
18
DIVIDER
CE
2
SHIFT REGISTER
UNIVERSAL
LATCH
COUNTER
DI
3
CL
4
DO
5
9
10
11
12
13
14
17
7
OUT0
OUT1
OUT2
OUT3
OUT4 OUT5 OUT6
IN0
IC340 (X24C04)
(8) V
cc
(4) V
ss
(7) TEST
H.V. GENERATION
START CYCLE
TIMING
& CONTROL
(5) SDA
START
STOP
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
2
E PROM
REGISTER
XDEC
32 X 128
LOAD
INC
(6) SCL
+COMPARATOR
(3) A
WORD
2
ADDRESS
(2) A
1
COUNTER
(1) A
0
__
R/W
YDEC
8 8
CK
PIN
DATA REGISTER
D
OUT
ACK
IC140 (LA1837M)
3 - 26
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
21
PD1
22
PD2
16
HCTR
15
LCTR
20
V
DD
23
Vss
8
IN1
IC180 (SAA6579T)
QUAL
RDDA
VREF
MUX
VDDA
1
2
3
4
5
VP1
DIFFERENTIAL
REFERENZ
DECODER
VOLTAGE
ANTI
BIPHASE
ALIASING
SYMBOL
FILTER
DECODER
QUALITY-
COSTAS LOOP
BIT
VARIABLE AND
GENERATOR
FIXED DIVIDER
CLOCK
OSZILLATOR
REGENERATION
DEVIDER
AND SYNC
16
15
14
13
12
RDCL
T57
OSCO
OSCI
VDDD
D
OUT
VSSA
CIN
SCOUT
6
7
8
57KHZ
RECONSTRUK.
BANDPASS
FILTER
(8th ORDER)
CLOCKED
COMPARATOR
TESTLOGIC AND
OUTPUT
SELEKTOR SWITCH
11
10
9
VSSD
TEST
TSTLD
3 - 27
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