Grundig RCD 400 Serviceanleitung Seite 28

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
R313
C311
1K
+ IC302
4U7 0V
3
+
R315 C315
220K
33P
0V
2
-
NJM4560D
C317
47U
R319
220K
C
+12V
R317
C319
10K
56P
19
R128
C313
12K
U1
18
+12V
C348
C320
U1
C
56P
C318
R320
R318
220K
10K
47U
IC302
0V
5
+
C316
33P
0V
6
-
+
NJM4560D
C312 R314 4
-12V R326
4U7 1K
R316
220K
220
C324
100U
+5V
+5V
+5V
R532
47K
R534 T506
47K
BC558B
T505
+5V
BC548B
C505
R535
47K 47K 1U
R536
18K
4
82 83 6 7 98 93 12 10 35 57 91 1 14 39
81
79
78
77
IC501
76
KS88C7132
75
36
Z
37 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 56 55
C511
82P
WT501
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
1 2 3
SHUFFLE REPEAT AB REMAIN TOTAL
PROGRAM ANTENNA CABLE
TUNED
3 - 14
TONE CONTROL BD.
R333
8K2
R329
220 R381
R327
2K7
3K3
C321
10U C325
0V
4N7
+
1
R335
VR302
R321
100KW 4K7
10K
TREBLE
C327
R323
22N
1K
R331
CT301 CN301 VR304
820
L.CH
5 5
L.BACK 100K R345
4 4
3K3
BAL.
GND
GND 3 3
R.BACK
2 2 R346
3K3
R.CH
1 1
R330
R334
220 8K2
R324
1K
R322
10K C326
4N7
R336
VR302
0V
7 100KW 4K7
+
C322
TREBLE
10U
C328
8
22N
R325
+11V
+12V R328
R382
3K3
220 2K7
R332
C323 820
100U
+5V
+5V
+5V +10.5V
CD+B
T508
BC517
C506
R537
22U
10K
R541
+5V 1K
R538 D503 R542
3K3 1N4148
10K
C507
R543
47U
T509
BC548B 1K
T507
R539
BC548 47K R544
47K
25 80 84 85 40 17 26 2 97
50 49 48 47 46 45 44 43 42 41 58 87 9 34 33 32 31
-28.9V
-VEE
VUP
+5V
VUP
26 27 28 29 30 31 32 33 34 35
47
1
4 5 6 7
47
2
R525
RC501
38 C501
kHZ 22U
37
D501
MHZ
LED
RCD 400 Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
R337
3K3
SPKR
R353
R351
22K
R339
91K
R379 1K
100K
C335
2
C329
100U
0V
C
33N
0V
3
BASS +
C333
1U
VR303 R347
100KW 22K
4
1 9 10 7
R341
560
R349
C339
STDBY 47K
C
U1
C331
U15
C337
R343
47U
1K8
A
CT303/304 CN303
PWRMUTE R350
1 1 C340
10K
U1
R338
C338
2 2
1U
3K3
3 1
4 2
R340 1 9 10 7
4
CN304
91K
C334
C330
1U
C
0V
3
+
33N
R348
VR303 R352
0V
22K
100KW 2
BASS
1K
R342
C336
560
100U
C332
R354
C
22K
U15
R344
1K8
+12V
VUP
BC548B
PWR_DOWN
-28.9V
-VEE
T202
FC506 BC640
RDS-DATA
4 3 5 13 20 R209
1
680
RDS.CLK
15
2
ANT/CABLE
21
3
D211
MUTETUNER
30V
22
4
STEREO
+23V (+17V)
23
5 A
FIELD-STG
28
6
SEARCH-LV
27
7
DATA-IN
24
8
CLK
16
9
FC201
DATA
18
4 B
10
-25V (-18V)
CE
30 29 89 88 19 3
11
2
VOLM+
1
VOLM- +12V
WT502
+5V
R550
R551
10K
10K
D505
D506
1N4148
T510 1N4148
T511
R501
BC328
BC328
47
R552
1K
D507
1N4148
D508
R553
1N4148
1K
T512 T513
BC338 BC338
FC540
TO VOLUME BD.
GRUNDIG Service 3 - 15
R357
+12V
120K
+16.7V (+14V) +
C343
6
22U
IC303
RL301A
0V
14
FC302
TDA7294
FC302A
13 8 15 R355
47K 1 1
T303
BC548
2 2
C341 T305
U1 BC517
3 3
4 4
B
5 5
T304
6 6
BC548
C342 7 7
R358
U1 C347
47K 100U
8 8
9 9
13 8 15
R356
10 10
47K
TDA7294
0V
14
RL301B
IC304
C344
6
22U
+16.7V (+14V)
+
FOR MODEL:RCD261 ONLY
Location no:
R359/360
R345/346
+5V
(....) = RCD 261 ONLY
POWER TRANSFORMER
R206A R206
T201
P/N:445.0090.00 =RCD 400
47K 47K
+5V (P/N:445.0099.00 =RCD 261)
R205
C204
47K
U47
R207
CT201
F202
47K
D209 D207
T160mA
1N4002
1N4002
R204 28V~
R203
4R7
4R7
D210 D208
1N4002
1N4002
R208
C205
27K
220U50V
F1
3.8V~
F2
C202
D203 18V~
D201 U1
1N5401 (13.5V~)
1N5401
C206 D202 C203
D204
18V~
1N5401 U1
1N5401
(13.5V~)
F203
T630mA
C207 CT202
+23V (+17V)
R202
10
IC201
1 3
OUT 7812 IN
GND
C209
C210
2
U1
U1
IC202
1 3
OUT 7805 IN
+5V GND
C211
C212 U22
2
U1
-12V
IC203
Bei den in den Schaltplänen angegebenen Meßwerten
OUT 79M12 IN
1
2
GND handelt es sich um Näherungswerte!
C215 3
C214
U1
U1
The measured values given in the circuit diagrams are
approximates!
RCD 400
BU303A
L.CH
SPK = 4 OHM
C371
1N
BU304
5
R359
270
4
2
C345
1N 3
7
C346 8
R360
1N
270
1
HEADPHONE BOARD
SPK = 4 OHM
C372
1N
R.CH
BU303B
Description
RES.150 ohm 2W
RES. 18K ohm 1/6W
T130DEG.C
2 4
L201
MAINS-FILTER
1 3
F201
T800mA
MAINS BOARD
JK106
AC 230V 50/60HZ
GRUNDIG Service