Inhaltsverzeichnis
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Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
IC Blockdiagramme
IC Block Diagrams
IC 1 TA 8191 F
IC 2 TC 9236 F
2 - 11
K-RCD 500
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
IC 3 BA 6209 N
V
CC2
8
V
CC1
7
V
1
3
Fin
V
5
3
Control
4
Logic
6
Rin
IC 4 BA 6398 FB
28
27
26
25
24
23
22
VCC
+
+
BA 6398 FB
REGULATOR
T.S.D
+
+
1
2
3
4
5
6
7
IC 101 TMP47 C820
GRUNDIG Service
2 - 12
IC 01 TC 9148
V
DD
16
BA 6209 N
XT
2
OSC
DEVIDER
XT
3
TC 9148 P
V
2
DECODER
9
HOLD / SINGLE PULSE
SIGNAL GENERATOR
OUT2
K1
4
2
10
K2
5
OUT1
KEY
K3
6
INPUT
K4
7
1
CIRCUIT
K5
8
TIMING SIGNAL
GND
GENERATING CIRCUIT
K6
9
10
11
T1
T2
IC 9 µPD 6379 A
21
20
19
18
17
16
15
VCC
µPD 6379
+
5
LRCK
7
DRIVER-
CLK
MUTE
6
SI
+
D.BUF
8
9
10
11
12
13
14
K-RCD 500
GND
1
TC 9148 P
OUTPUT
SYNTHESIZING
15
T
X OUT
CIRCUIT
14
TEST
CODE BIT
SIGNAL GENERATING
CIRCUIT
12
13
T3
CODE
REF
2
MAIN DAC
1
L.OUT
SUB DAC
3
GND
SUB DAC
4
R.OUT
MAIN DAC
8
VDD
GRUNDIG Service
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