GRUNDIG Service
1-1
RCD 405
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GRUNDIG Service
1-2
RCD 405
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
3 - 12
3 - 13
+16.4V
+16.4V
0V
0V
0V
0V
0V
0V
+5V
+30.5V
+16.6V
28V~
25.2V~)
25.2V~)
-33.5V
-29V
-29.6V
-36.4V
+5V
+5V
-33.5V
+30.5V
+0.7V (SPEAKERS ON)
3.8V~
-29V
F1
º
F2
3.8V~
+5V
+12V
0V
0V
0V
0V
0V
0V
+11V
-11V
+5V
+5V
+5V
+5V (SPEKERS ON)
+5V
+10.5V
C
U1
C313
1N4002
D209
1N4002
D210
1N5401
D204
C
U1
C348
10K
R318
1N5401
D203
1N5401
D201
1N4002
D206
2
1
FC540
4
3
2
1
FC201
CT201
47K
R532
47K
R534
BC328
T511
BC548
T304
18K
R536
47K
R535
+
C213
22U/25V
3
4
1
2
L201
MAINS-FILTER
M
U1
C219
47K
R533
2K7
R213
+
1U50V
C218
220
R212
5V1
D200
C
220n
C374
+
C207
C
220n
C373
47K
R207
+
U47
C204
47K
R206
BC548B
T505
-
+
4
8
7
5
6
IC302
47K
R205
220K
R319
10
R362
1N4002
D205
1N4148
D302
10
R361
4R7
R203
coil
L302
P
11
C
4N7
C325
1N
C346
220K
R320
11
10
9
8
7
6
5
4
3
2
1
FC506
R525
100K
R379
47
R501
+
100U
C347
5
4
2
3
1
7
8
BU304
BC338
T512
BU303A
L.CH
4K7
R545
560
R342
1N
C345
1K8
R343
100KW
VR303
100KW
VR302
3K3
R337
220
R329
820
R331
C
33N
C329
C
U15
C331
C
22N
C327
91K
R339
C
22N
C328
R335
4K7
22K
R547
22K
R546
47K
R539
560
R341
4K7
R336
F203
T630mA
91K
R340
820
R332
C
U15
C332
220
R330
C
33N
C330
C
4N7
C326
C
33P
C316
3K3
R338
100KW
VR302
1K8
R344
47K
R358
+
47U
C507
100KW
VR303
BC548
T303
RL301B
1K
R324
3K3
R327
RL301A
3K3
R328
100K
VR304
10K
R537
3K3
R538
4R7
R204
47
R202
5
4
3
2
1
CN301
BC517
T508
+
1U
C505
+
47U
C318
BC558B
T506
BC548B
T509
coil
L301
10K
R322
1N4148
D505
C
56P
C320
1K
R541
+
10U
C322
30V
D211
2
1
CN304
BC328
T510
GND
OUT
IN
3
1
2
IC201
7812
10
9
8
7
6
5
4
3
2
1
FC302A
10
9
8
7
6
5
4
3
2
1
WT302
47K
R544
10K
R542
1K
R543
10K
R550
1K2
R548
1K2
R549
270
R359
10K
R551
BC548
T507
1K
R552
+
100U
C324
1K
R553
C
56P
C319
C
33P
C315
87
30
31
32
88
89
97
25
80
84
85
93
64
1
14
29
83
82
81
79
78
77
76
75
9
7
6
58
36
37
44
43
42
41
45
69
68
67
66
65
55
56
59
61
60
62
63
50
49
48
47
46
34
33
74
73
72
71
70
13
2
3
4
26
17
40
5
39
91
57
35
10
12
98
20
15
21
22
23
28
27
24
16
18
19
3K3
R346
220K
R315
BC517
T305
F201
T1.25A
1N4148
D507
1N4148
D506
8K2
R333
8K2
R334
GND
OUT
IN
3
1
2
IC203
79M12
kHZ
ANTENNA
REPEAT AB
TUNED
CABLE
REMAIN
PROGRAM
SHUFFLE
TOTAL
MHZ
7
6
5
1
4
3
2
6
5
4
37
1
2
38
34
33
32
31
30
29
28
27
26
35
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
220
R326
1K
R323
BC640
T202
1N4148
D508
1N4148
D503
+
100U
C323
+
47U
C317
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
15
14
13
12
11
9
8
7
6
5
4
3
2
10
1
220
R325
3K3
R345
10K
R321
GND
OUT
IN
3
1
2
IC202
7805
LED
D501
10K
R317
120
R502
BC338
T513
1N4002
D208
+
22U
C506
47
47
R524
C
U1
C210
+
22U
C501
270
R360
-
+
1
3
2
IC302
+
22U
C344
R128
12K
1N4002
D207
CT202
C
U1
C215
C
U1
C214
C
U1
C209
C
U1
C212
680
R209
27K
R208
47K
R206A
BC548B
T201
+
C206
+ 220U50V
C205
T3.15A
F205
4
3
2
1
CT303
2
1
CN303
F202
T160mA
T3.15A
F204
5V1
D504
C
U22
C211
C
U1
C339
10K
R350
1K
R352
2K7
R382
1N5401
D202
RC501
1N4148
D301
5
4
3
2
1
CT301
BU303B
R.CH
2K7
R381
TDA7294
2
3
4
1
9 10
7
13
8
15
14
6
IC303
JK106
TDA7294
2
3
4
1
9 10
7
13
8
15
14
6
IC304
T130DEG.C
+
22U
C343
+
1U
C338
+
100U
C336
22K
R354
22K
R348
+
1U
C334
+
1U
C333
22K
R347
+
47U
C337
47K
R349
1K
R351
22K
R353
+
100U
C335
120K
R357
+
10U
C321
C
U1
C340
47K
R356
C
U1
C341
C
U1
C342
C
2n2
C372
C
2n2
C371
22UH
L501
47K
R355
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
15
14
13
12
11
9
8
7
6
5
4
3
2
10
1
RESET
RCIN
RCOUT
PWRMUTE
PWRMUTE
STEREO
RDS-DATA
L.BACK
CLK
CLK
DATA-IN
R.BACK
SEARCH-LV
FIELD-STG
VOLM-
F1
F1
F2
F2
-12V
-12V
GND
GND
PWR_DOWN +5V
PWR_DOWN
PWR_DOWN
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+12V
V
+12V
+16.6V
+30.5V
+15.4V
+12V
+12V
CE
CE
R.CH
L.CH
CDMUTE
VUP
VUP
VUP +5V
VUP +5V
-VEE
-VEE
ANT/CABLE
RDS.CLK
VOLM+
MUTETUNER
STDBY
STDBY
SPKR
SPKR
DATA
DATA
CD+B
MAINS BOARD
HEADPHONE BOARD
TONE CONTROL BD.
B
A
B
A
KA317
IC204
2
1
3
6800U
6800U
P/N:445.0102.00
SPK=4 OHM
SPK=4 OHM
AC 230V 50/60HZ
POWER TRANSFORMER
BAL.
BASS
BASS
TREBLE
TREBLE
TO TUNER BD.
TO TUNER BD.
TO VOLUME BD.
1K
R313
+
+
2
220K
R316
1K
R314
IC501
KS88C7132
Bei den in den Schaltplänen angegebenen Meßwerten
handelt es sich um Näherungswerte!
The measured values given in the circuit diagrams are
approximates!
-Regulatorplatte / Regulator Board
-Display- und Tastenplatte / Display and Key Board
PAGE 3 - 6
PAGE 3 - 6
