Inhaltsverzeichnis
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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Tuner-Platte / Tuner Board
LICHTLEITER-BUCHSEN-PLATTE
OPTICAL OUTPUT BOARD
A1
FM-ANT
FM-ANT
1
J2030
2
1
FM-GND
A2
2
4
T101
3
BC848B
R102
2K2
5
6
+10V
+5V
+10V
+5V
+5V
C121
39P
IC120
LC7218M
C122
39P
+5V
PLL SYNTHESIZER
AND IF COUNTER
Alle Spannungsangaben sind Näherungswerte
All voltage levels are approximates
3 - 16
A
FE100
FM-FRONT END
R126
+5V
100K
R127
+10V
100K
C135
R128
LOOP-FILTER
100K
100N
R129
47K
R136
8K2
C133
C134
F
470N
1N
R133
T131
2SK30AY1
2K2
T132
BC848C
+10V
R142
4K7
F141
1
B
6
C144
1N
C146
+
C147
U47/50V
+
+10V
1U/50V
R149
6K2
GRUNDIG Service
RCD 2000
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
+10V
100N
C103
F102
1
3
F101
R106
7
2
1
3
T102
BF840
100R
2
L101
8
MP1
330N
T151
BC848B
R156
+10V
P142
100K
1K2
MPX-BUFFER
P141
100K
S
MP5
C140
C149
+
4U7/35V
22N
47K
R150
1
30
3V6
1V7
C188
R189
6K2
+
2
29
9V5
3V2
C141
C150
3
28
33U/10V
3V6
3V6
47N
47N
C158
4
27
3V6
0V7
+
47U/16V
C160
5
26
3V6
10U/16V
+
47N
C142
6
25
C157
0V
0V
C170
IC140
+
7
24
5V
0V5
680P/5%
C143
LA1837M
4U7/35V
8
23
10V
3V7
C180
100N
OPT.
9
22
10V
2V9
10
21
1V4
3V4
C152
11
20
4V3
3V4
10U/16V
R141
12
19
0V
4V3
+
3
13
18
0V
4V3
100R
C154
14
17
C151
9V
4V3
10U/16V
7
1N5/5%
15
16
5V8
4V3
C153
STEREO DECODER
1N5/5%
R162
R143
WITH FM-IF
1K
10K
R148
6K2
C148
+
LEFT
1U/50V
RIGHT
3 - 17
+10V
IC110
LM317
+UIN
OUT
IN
ADJUST
+5V
+5V
RDS DEMODULATOR
+10V
C181
560P
2V5
2V5
2V5
2V5
8
7
6
5
4
3
2V4
2
IC180
SAA6579T
15
1
9
10 11 12
2V0
13
2V5
14
16
2V5
5V
Q181
4M332
C162
+
OPT.
T162
BC858B
F171
4
5
12
T163
BC848B
R174
2
6
R168
100R
2K2
3
I
G
1
9
7
8
MUTING
MPX-FILTER
F172
4
5
12
T161
T164
BC848B
BC848B
R177
2
6
R169
100R
2K2
3
K
H
1
9
7
8
C171
R171
+
3K3
4U7/35V
C172
R172
+
3K3
4U7/35V
RCD 2000
4
3
2
1
ST101
CE
11
DATA-OUT
10
CL
9
DATA-IN
8
SEARCH-LV
7
FIELDSTG
6
STEREO
5
MUTE
4
3
RDS-CLK
2
RDS-DATA
1
ST102
MP2
ST171
OUT_L
1
2
OUT_R
3
MP3
21.09.99
GRUNDIG Service
Werbung
Inhaltsverzeichnis
