1-3
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
RCD 405
1-4
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
RCD 405
3 - 10
3 - 11
Schaltbild / Circuit Diagram: -Hauptplatte / Main Board
-Klangreglerplatte / Tone Control Board
-Netzteilplatte / Mains Board
-Kopfhörerplatte / Headphone Board
-Lautstärkeplatte / Volume Board
Platinenabbildungen / Layout of PCBs: -Klangreglerplatte / Tone Control Board
-Lautstärkeplatte / Volume Board
-Regulatorplatte / Regulater Board
R213
R212
1
IC204
C219
+
C218
OUT
GND
IN
P/N:530.0319.00
1
2
3
4
5
6
7
8
M1
M2
VR301
50KA
C509
U1
FC540
1
2
CN305
1
2
3
4
5
6
7
8
M1
M2
VR301
50KA
C509
U1
FC540
CN305
2
1
VR303
CN301
R338
3K3
R330
220
R329
220
R335
4K7
R336
4K7
R340
91K
R337
3K3
R331
820
R346
3K3
R334
8K2
R343
1K8
R345
3K3
R332
820
R333
8K2
R342
560
R339
91K
C325
4N7
C329
33N
C331
U15
C327
22N
C328
22N
C332
U15
C330
33N
C326
4N7
CT303
CT304
VR302
R327
3K3
R381
2K7
R341
560
R382
2K7
R344
1K8
R328
3K3
VR304
TREBLE
BALANCE
BASS
5
1
4
3
2
1
VR303
CN301
R338
3K3
R330
220
R329
220
R335
4K7
R336
4K7
R340
91K
R337
3K3
R331
820
R346
3K3
R334
8K2
R343
1K8
R345
3K3
R332
820
R333
8K2
R342
560
R339
91K
C325
4N7
C329
33N
C331
U15
C327
22N
C328
22N
C332
U15
C330
33N
C326
4N7
CT303
CT304
TREBLE
BALANCE
BASS
R327
3K3
R381
2K7
R341
560
R382
2K7
R344
1K8
R328
3K3
VR304
1
5
4
3
2
1
Regulatorplatte / Regulator Board
Ansicht von der Bestückungsseite
View of components
Klangreglerplatte
Tone Control Board
Ansicht von der Lötseite
View of solder side
Lautstärkeplatte
Volume Board
Ansicht von der Lötseite
View of solder side
Klangreglerplatte
Tone Control Board
Ansicht von der Bestückungsseite
View of components
Lautstärkeplatte
Volume Board
Ansicht von der Bestückungsseite
View of components
+10.5V
+2.5V
+2.5V
+3.7V
+3.7V
+2.5V
+2.5V
+11V
-11V
+5V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
+12V
+5V
+5V
-
+
1
3
2
LM833
IC306
10K
R374
C
U1
C31
C
U1
C348
C
U1
C314
10K
R557
1K
R377
1K
R378
BC338
T302
BC338
T301
+
10u
C502
+
10u
C503
R528
470
R529
470
BC328
T501
BC328
T502
R526
1K5
BC338
T504
47P
C304
BC338
T503
+
4U7
C360
47P
C305
10K
R373
4
3
2
1
CN502
7
6
5
4
3
2
1
3
2
1
CN305
C
U1
C504
+
4U7
C359
1K
R375
M
U1
C356
1K
R376
M
CT501
33P
+
100U
C358
4K7
R370
M
82P
C511
220P
C353
+
100U
C357
18K
R363
-
+
48
7
5
6
IC306
330P
C352
18K
R364
330P
C351
220
R372
18K
R368
18K
R367
10K
R366
10K
R365
47K
R556
220
R371
220P
C354
4K7
R369
3V9
D509
100P
C301
M
U1
C355
10K
R512
S514
MEMORY
S515
EDIT
S516
INFO
S501
STOP/OPEN
1K
R503
S502
PLAY
3K3
R511
2K7
R510
910
R515
S509
LOUDNESS
S512
REPEAT
100P
C302
BU302A
1K2
R516
47P
C362
1K2
R517
47P
C306
10K
R554
2K2
R302
1K8
R518
1K8
R519
2K7
R520
1K8
R509
1K8
R508
1K2
R507
1K2
R506
S506
SER.FWD
910
R505
S505
SKIPFWD
S504
SKIPREV
S503
PAUSE
22K
R530
3K3
R521
1K
R513
47K
R555
S508
TONE
FC301
1K
R560
10K
R523
220K
R559
100K
R558
S511
SHUFFLE
S517
TAPE
10
9
8
7
6
5
4
3
2
1
WT503
BC558B
T515
2K2
R303
2K2
R301
47P
C361
83
82
81
79
78
77
76
75
36
37
47P
C303
2K2
R306
2K2
R304
2K2
R305
P
S
BU302B
820
R504
3K9
R522
8
7
6
5
4
3
2
1
IC502
X24C04
S507
SER.REV
S518
CD
BC548B
T514
24
25
20
23
26
27
28
29
30
16
1
2
3
4
5
8
11
6
7
9
10
12
17
18
19
14
13
15
21
22
VDD
S
RES
DI
VEE
CE
CL
RCOM3
R8
R7
LCOM3
L8
L7
RCOM2
LCOM2
RCOM1
LCOM1
L6
L5
R6
R5
R4
R3
R2
R1
VSS
L4
L3
L2
L1
IC301
LC7821
R128
12K
820
R514
S513
CANCEL
S520
ON/OFF
CR501
6.5536MHZ
S519
TUNER
R527
1K5
TU-IN-L
TU-IN-L
CD-IN-R
CD-IN-R
CLK
CD-IN-L
CD-IN-L
TRAY-
-12V
-12V
-12V
CDR
CDR
CDL
CDL
+5V
+5V
+5V
+12V
+12V
+12V
AUX-OUT-R
CE
AUX-OUT-L
RAB
CDMUTE
VUP
VUP
VUP
SIDA
SICL
TRAY+
AUX-IN-R
TRAYIN
SILD
STBYCD
TU-IN-R
TU-IN-R
DATA
AUX-IN-L
CD+B
TO CD MAIN BOARD
MAIN BOARD
DISPLAY-KEY BOARD
EEPROM
TO TUNER BD.
TO CD MAIN BD.
TO CD MECHANISM
2
1
FC540.
U1
C509
-
+
M
VR301
TO MAIN BD.
VOLUME BD.
50KA
VR301
560P
C307
1K
R311
33K
R307
10K
R309
U47
C309
VOLUME BD.
CT302
CN305
+
4U7
C311
50KA
VR301
+
4U7
C312
560P
C308
1K
R312
33K
R308
U47
C310
CT302
CN305
10K
R310
VOLUME BD.
PAGE 3 - 6
