Grundig RCD 400 Serviceanleitung Seite 22

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
Schaltbild – CD / Circuit Diagram – CD
+5V
R101
4.7
P1C
7 +4.7V
C102
C101
33U/50V
22n
18 17 8
IC01
TDA1302T
12
451.0264.00
R102
9
+
1K
uP
LP
AMP
15
NC
I/IV
C124
+
220P
R124
A1 A2 A3 A4
10K
9 21 4
6 AMP
10 22 A1-A6
R125
3
AND
+1V
12 24
10K
6 LP
FILTERS R126
19 1
11 +1V
23
R127
6
+1V
8 20
R128
2
R129
5
LDON
6 +4.3V 16 7
14 13
+1.3V +1.8V
5
2
+
+5.3V
FOC+
3 16
+4.8V
2 FOC- 13
1
ca. 200mV -
eff
IC04
TDA7073A
451.0268.00
6
+
ca. 100mV
+5.1V eff
RAD+
1 12
4 +5.1V RAD- 9
7
-
+10.5V
10 14 5
CD+B
R116
+10.4V
1
5
+2.5V
P2C 6
+
+5V
SLEDGE-
6 12
+5.1V SLEDGE+
5 9
7
-
+4.3V MOT-
4
+2.5V
IC05
+4.8V MOT+
3
TDA7073A
+2.5V
HOME 2
2 +5.4V +
13
1
16
1
-
+2.5V
10 14
3 - 4
ca. 1.5V
ss
11
IC03
SAA7345GB FLAGS
C103 C104
ERROR
0.1
4U7/50V
451.0266.00 CORRECTOR
12
24
+2.3V 8 HFIN
C107
R103 PLL
ISLICE
7
FRONT-
22K
END
2n2 9 HFREF
C108
IREF
10
47P
5 6 43 42 41 40
C109 C110
22n
U1
R105
24K
13
XR
5 D1
6 D2
XTAL
XIN 19
OSCILLATOR
10K
7 D3
CL DIVIDER
10K
9 D4
VREF 16
10K
10 R1 GENERATOR
10K
11 R2
PREPROCESSING
8 VRL
LDON
2
CL CL
R113
12K CONTROL
FO
23
FUNCTION
C113
ca. 7mV
eff
1
47n
IC02
R114 12K
+2.5V 22 RA
TDA1301T
451.0199.00
C114 CL
47n
+2.5V
R115
24 SL
+2.5V
12K
27
C115
26
47n
25
+5V
VDD2 VDD1 VSSD VSSA
28 20 21 15 14 3 12
R121
4.7
R120
1K
+5V
R132
12K
R133
12K
RCD 400 Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
AUDIO
PROCCESSOR
Q-CHANNEL
CRC CHECK
Q-CHANNEL
REGISTER
MICRO-
MOTOR
TIMING
PROCESSOR
CONTROL
INTERFACE
39 38 37 36 35 34 3 22 23 4 28 30 31 32 27 17 13 14
R161
R162
100
16.9344MHZ
100K
KR162
C162
C163
10P
10P
R146
470
+5V
R139
4.7
+5V
GRUNDIG Service 3 - 5
DOBM
2
EBU
INTER-
FACE
10
LIN
2
DATA 19
SERIAL SI/LSI LOUT
DATA
WCLK
15
20
WS
INTER-
FACE SCLK 16 BCK
21
IC07
16 44 15
TDA1313T
3 4/8FSSEL
451.0265.00
+5V
VREF
R163
4.7
1
LRSEL/RSI
ROUT
14 13 5 12 6 11 7
C166
4U7/50
R191
C192
4.7
0.1
C194
C193
0.1
33U/50V
+5V
VOLTAGE MEASURED RELATIVE TO GND ON PLAY.
CD+B
+10.5V
IC06
+5V
OUT IN
MC7805CT
REF
C142 C141
0.1
0.1
Bei den in den Schaltplänen angegebenen Meßwerten
handelt es sich um Näherungswerte!
The measured values given in the circuit diagrams are
approximates!
RCD 400
C199
1n
9 +2.5V
+3.3V
4
C197
22U/50V
+2.5V
8
C196
1n
R192
+5V
4.7
FC101
CDL
10
GND
9
CDR
8
RAB 7
SIDA
6
SICL 5
SILD 4
STBYCD 3
GND 2
CD+B 1
GRUNDIG Service