Tuner; Cd (Ic Block Diagrams Tda1313T, Saa6579T); Volume Board - Grundig RCD 400 Serviceanleitung

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
Schaltbild / Circuit Diagram:
-Hauptplatte / Main Board
-Kopfhörerplatte / Headphone Board
-Netzteilplatte / Mains Board
MAIN BORD
2K2
R305
R306
2K2
C302
100P
AUX-IN-L
R301
2K2
BU302A
R303
2K2
AUX-OUT-L
C303
47P
C304
AUX-OUT-R
47P
R304
2K2
BU302B
R302
2K2
AUX-IN-R
CD-IN-L
R375
1K
R373
C361
10K C359
47P
4U7
R365
R367
C353
10K
220P 18K
C351
330P
CDL
+5V
VUP
STOP/OPEN
R512
10K
VUP
SHUFFLE
R523
10K
3 - 13
-Klangreglerplatte / Tone Control Board
-Display- und Tastenplatte / Display and Key Board
-Lautstärkeplatte / Volume Board
FC540.
1
C509
U1
2
TU-IN-L
VOLUME BD.
TU-IN-R
C305
C301
47P
100P
0V
1 2
L1 L2
16
VSS
R1 R2
30 29
0V
C306
47P
+5V
+12V
R560 R557
10K
1K
D509
3V9 T514
BC548B
T515
BC558B
R377
1K
T301
R558
BC338 R559
100K
220K
-12V
CD-IN-R
R376
1K
R374 C360 C362
10K 4U7 47P
T302
BC338
+11V
C355
C357
U1
100U
-11V R372
220
C356
C358
U1
100U
R368
R366
C354
18K
220P 10K
C352
330P
R364
18K
CDR
R503 R504 R505 R506
1K 820 910 1K2
S501 S502 S503 S504
PLAY PAUSE SKIPREV
R513 R514 R515 R516
1K 820 910 1K2
S511 S512 S513 S514
REPEAT CANCEL MEMORY
-
VR301
M
+
R309
10K
C307
C309
560P
U47
R311
R307 1K
33K
3 4 5 6 7 8
L3 L4 LCOM1 L5 L6 LCOM2
IC301
LC7821
R3 R4 RCOM1 R5 R6 RCOM2
28 27 26 25 24 23
R308
R312
33K
1K
R310
C310
C308
10K
560P
U47
CDMUTE
R555
47K
R556
T501 T502
47K
BC328 BC328
R528
470
C502
33U
R378
1K
R371 +12V
220
T503
BC338
-12V
TO CD MECHANISM
R507 R508 R509 R510
1K2 1K8 1K8
2K7
S505 S506 S507 S508
SKIPFWD SER.FWD SER.REV TONE
R517 R518 R519 R520 R521
1K2 1K8 1K8 2K7 3K3
S515 S516 S517 S518 S519
EDIT INFO TAPE CD

TUNER

DISPLAY-KEY BOARD
VOLUME BD.
CT302 CN305
VR301
50KA
9 10 11 15 13
L7 L8 LCOM3 CL CE
R7 R8 RCOM3 VEE
22 21 20 12
C314
U1
50KA
CT302 CN305
VR301
VOLUME BD.
+5V
+5V
R530
22K
5
R529
470 R554
10K 8 EEPROM
IC502
X24C04
C504 U1
C503
33U 7
1 2
T504
R527
BC338
TRAY+
1K5
TRAY-
R526 1K5
CT501
33P
WT503
TO CD MAIN BD.
R511
3K3
S509
LOUDNESS
R522
3K9
S520
ON/OFF
GRUNDIG Service
RCD 400
C311
+
4U7
+12V
14
19
DI
VDD
R128
12K
18
+12V
RES
S
17 C348
U1
-12V
+
C312
4U7
6
3 4
TRAYIN
82
81
79
78
77
76
75
36
CR501
6.5536MHZ
37
C511
82P