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 - 2 3 - 3
Schaltbild – CD-Teil / Circuit Diagram – CD Part
+
4U7/50
C166
4.7
R101
M
0.1
C136
KR162
C133
47n
10K
R145
4
1
2
3
5
6
8
11
12
10
9
7
P1C
4.7
R163
M
0.1
C116
10P
C163
100K
R162
4.7
R139
MOTO2
MOTO1
CROUT
CRIN
CL16
TIMING
RAB
CL
DA
END
FRONT-
PLL
PLL
DIGITAL
DEMODULATOR
EFM
SRAM
ADDRESSER
RAM
CONTROL
MOTOR
INTERFACE
PROCESSOR
MICRO-
DOBM
REGISTER
CRC CHECK
Q-CHANNEL
Q-CHANNEL
PROCCESSOR
AUDIO
FLAGS
CORRECTOR
ERROR
IREF
ISLICE
HFREF
HFIN
FACE
INTER-
EBU
FACE
INTER-
DATA
SERIAL
DATA
WCLK
SCLK
8
2
19
20
21
15441614131727323130284232233435363738394041424365
10
9
7
24
12
11
IC03
SAA7345GB
M
C165
0.1
4.7
R121
+
33U/16V
C139
22n
C101
M
0.1
C104
100
R161
12K
R133
12K
R132
4.7
R192
M
C142
0.1
+
33U/16V
C135
1K
R119
M
0.1
C138
VSSAVSSDVDD1VDD2
SL
RA
VRL
FO
LDON
R2
R1
D4
D3
D2
D1
XIN
uP INTERFACE
OUTPUT STAGE
CONTROL PART
CLCL
CL
FUNCTION
CONTROL
PREPROCESSING
A/D
GENERATOR
VREF
XR
CL DIVIDER
XTAL
OSCILLATOR
5
6
7
9
10
11
8
2
23
22
24
28 20 21 15 14 3 12
25
26
27
1
16
19
13
IC02
TDA1301T
LDON
A4A3A2A1
FILTERS
6 LP
AND
A1-A6
6 AMP
NC
+
I/IV
+
LP
AMP
uP
12
9
4
3
1
6
2
5
7
1314
16
20
23
19
24
22
21
15
18 17 8
IC01
TDA1302T
+
10u/50v
C120
+
47u/50v
C117
1n
C118
1K
R120
24K
R105
M
0.1
C137
M
0.1
C122
M
C192
0.1
12K
R115
-
-
+
+
10 14 5
2
1
6
7
9
12
13
16
IC04
TDA7073A
IC05
TDA7073A
+
330u/16v
C140
+
33U/50V
C102
47n
C134
390
R118
430
R117
1n
C119
430
R112
47n
C114
47n
C115
430
R111
1n
C112
12KR114
100K
R104
22n
C105
47n
C113
220P
C125
220P
C126
220P
C129
220P
C128
220P
C127
1n
C106
10K
R129
10KR128
10K
R127
10KR126
10K
R125
10K
R124
22n
C110
220P
C124
12K
R113
C109
U1
1n
C111
47P
C108
IN
REF
OUT
IC06
1K
R102
+
33U/50V
C191
22K
R103
10KR142
M
C194
0.1
10P
C162
10KR141
R143 10K
10KR147
2n2
C107
+
33U/50V
C193
M
C198
0.1
470
R146
6
5
4
3
2
1
P2C
4.7
R191
+
22U/50V
C197
M
C141
0.1
M
C164
0.1
1n
C199
1
R116
1n
C196
VDDA
VDDO
VSSA
VSSO
VSSD
VDD
LRSEL/RSI
4/8FSSEL
SI/LSI
LIN
LOUT
VREF
ROUT
RIN
BCK
WS
2
15
16
3
1
14 13 5 12 6 11 7
8
4
9
10
IC07
TDA1313T
560P
C131
-
-
+
+
10 14
5
6
7
2
1
16
13
12
9
1n5
C130
+
4U7/50V
C103
MOT+
MOT-
SLEDGE+
SLEDGE-
FOC+
FOC-
HOME
RAD+
RAD-
CD+B
CD+B
+5V
+10.5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
MC7805CT
7
6
5
4
3
2
1
3
2
1
CT101
10
9
8
7
6
5
4
3
2
1
FC101
SIDA
SICL
RAB
SILD
CDR
CDL
CD+B
GND
GND
STBYCD
ECO:96-0227
+4.7V
16.9344MHZ
+1V
+1V
+1V
+4.3V
+1.8V+1.3V
+2.3V
ca. 1.5V
ss
+5.3V
+4.8V
+5.1V
+5.1V
+5V
+10.5V
+10.4V
+5.1V
+4.3V
+4.8V
+5.4V
+2.5V
+2.5V
+2.5V
+2.5V
+2.5V
+2.5V
+2.5V
ca. 200mV
eff
ca. 100mV
eff
ca. 7mV
eff
+3.3V
+2.5V
+2.5V
TO MAIN BOARD WT503
TO CD DRIVE MECHANISM
TO CD DRIVE MECHANISM
VOLTAGE MEASURED RELATIVE TO GND ON PLAY.
Bei den in den Schaltplänen angegebenen Meßwerten
handelt es sich um Näherungswerte!
The measured values given in the circuit diagrams are
approximates!
PAGE 3 - 11
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