Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
RR 3200 CD / RR 3500 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
RR 3200 CD / RR 3500 CD
GRUNDIG Service
GRUNDIG Service
3 - 15
3 - 16
IC-Blockdiagramme
IC Block Diagrams
14
29
4
28
22
26
20
10
15
32
3
2
30
18
24
6
8
12
19
25
23
17
27
31
5
7
9
11
13
21
16
AF-R (O)
AF-L (O)
ST-LED
RF GND
FM OSC
Vp
RIPPLE
VSTAB (A)
VSTAB (B)
IF GND
AM-OSC
AM-RF (I)
FM-RF (I)
FM-RF (O)
FM-MIXER
FM-IF1 (O)
FM-IF1 (I)
FM-IF2 (I)
FM-DEM
LPF M/S VCO/AM-FM SWITCH
AM-MIXER
AM-IF1
AM-IF2
AM-AGC
FM-AFC
IND
SUB
GND
AF
(O)
PILFIL
MPX-I
MUTE
FM
AM
FM
FRONT-
END
FM
OSCILLATOR
AM
OSCILLATOR
ST
ABILIZER
FM
MIXER
FM
IF1
FM
IF2
FM
DETECTOR
PHASE
DETECTOR
VCO
DIVIDER
AM/FM
SWITCH
SWITCH
CONTROL
SDS
SYNCHRON
DETECTOR
AGC
AM/FM
INDICATOR
V-1
CONVERTER
SOFT
MUTE
MATRIX
AM
FRONT-
END
AM
MIXER
AM-IF
AM
DETECTOR
PILOT
PRESENCE
DETECTOR
MONO/ST
SWITCH
LED
DRIVER
TEA 5711
–
ch 2
+
+
ch 1
–
–
ch 2
+
+
ch 1
–
A / B
V
ref
1
V
ref
2
I ref
1
ALC
M / N
3
4
5
6
7
8
9
10
14
13
12
11
15
16
17
18
19
20
21
22
2
1
24
23
ch2/B
ch2/A
ch1/A
ch1/B
Rec IN
ALC
GND
Rec IN
NF
Metal
Out
Rec
Out
CG
VCC
Tape A
Tape B
Pre
Out
NF
NF
Metal
Out
Rec
Out
M/N
GND 1
MIX
Out
Pre
Out
NF
*
TA 8189 N
TEA5711T
TA8189N
1
3
18
20
11
13
14
12
6
7
+ -
+ -
LC 78815 M
TIMING
CONTROL
AND
TEST
LEVEL SHIFT
DAC
R-STRING
DAC
LEVEL SHIFT
DAC
R-STRING
DAC
5
8
9
CH1
OUT
V REF
H
V REF
L
CH2
OUT
TST OUT
DATA R
DATA L
LRCK
BCLK
SYSCLK
FSEL
MODE2
MODE1
CH1 LATCH
CH2 LATCH
SIPO
REGISTER
PWM
DAC
PWM
DAC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Amp 1
Amp 2
Amp 3
Amp 4
+
-
+
-
+
-
+
-
+
-
Buffer
Amp
VCC
MUTE
OUT1
GND
GND
OUT2
VIN1-
VIN1+
VBIN
VBOUT
OUT4
GND
GND
OUT3
VIN2-
VIN2+
LA 6531
1
2
3
4
5
6
7
8
9
-
+
-
+
V+
A-OUT
A-IN
A+IN
V-
B+IN
B-IN
B-OUT
V+
LA 6458 S
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INH
DCO
L2_O/P
L2_I/P
AGND1
L1_I/P
L1_O/P
GND
B+
R1_O/P
R1_I/P
AGND2
R2_I/P
R2_O/P
U/D
OSC
TC 9153 AP
LOGIC
BA5053
LC78815M
BA5049
TC9153AP
LA6458S
LA6531
LA9210M
SLICE LEVEL
CONTROL
VCO
CLOCK OSCILLATOR
CLOCK CONTROL
2K x 8 bit
RAM
RAM ADDRESS
GENERATOR
COMPLEMENT
MUTE
C1, C2 ERROR DETECT
&
CORRECTION FLAG
PROCESSING
SYNCHRON DETECT
EFM DEMODULATION
CLV
DIGITAL SERVO
SUBCODE ISOLATION
0 CRC
µ
COM
INTERFACE
SERVO
COMANDER
XTAL
TIMING
GENERATOR
DIGITAL FILTER
DAC OUTPUT
INTERFACE
DIGITAL
OUT
24
5
61
1
18
2
9
23
28
7
6
4
3
19
8
56
10
12
11
48
46
51
53
54
27
62
59
58
57
29
34
60
39
64
63
49
45
33
35
36
37
30
43
41
38
42
40
EFM0
EFM0
PD0
A1
A0
PCK
VSS
VDD
TEST
5
TEST
4
TEST
3
TEST
2
TEST
1
CONT
SMP
1
SMP
2
SMP
LRCLK
DACLK
DF OUT
CS
EFLG
FSK
X IN
X OUT
CKL
22 21
THLD, TGL
EMPH
LASER
16,9 MHz
4,23 MHz
14 13
FSD, FOCS
FZD
HFL
TES
T
OFF
20
17
16
15
32
31
DEMO
M/L
CQCK
COIN
RWC
WRQ 50
SQOUT 52
SBSY
SFSY
PW
SBCK
V/P
CLV-
CLV+
FSEQ
EFMIN
C2F
LRSY
C2FCLK
DOUT
ROMOUT
DFIN
DFOFF
LC 7861
LC7861
