SCD 3390 RDS / Challenge 600 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
SCD 3390 RDS / Challenge 600 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service
GRUNDIG Service
1N0
CC722
10N
CC724
27K
CR723
1N0
CC713
10N
CC712A
BC848C
CT707A
OSCIN
LPAM
LPFM
LPHC
INLOCK
TDA4727D
NC
HFREF
AM_IN
PUMP
COMP
NC
+
-
GNDDIG
VDD1
VDD2
VDD1
GNDAN
VREF
LPOUT
INLOCK
DOUT6
DOUT5
DOUT4
DOUT3
DOUT2
DOUT1
SSTOP
IF_FM
IF_AM
SDA
SCL
ADDR
OSCOUT
FM_IN
INLOCK
11 - 21 BIT PROG.CNT
RESET
POWER ON
PORT EXTENSION
CONTROL
TIMER
14 BIT PROG.CNT
LOGIC
TEST
INTERFACE
I2C BUS
16 BIT PROG.CNT
REF.OSCILLATOR
CHARGE
PHASE
11 BIT PROG.CNT
SWM/DIR
SWM/DIR
SWITCH
SWITCH
LP1/LP2
SWITCH
DETECTOR
5 BIT PROG.CNT
:32/33
PRECOUNTER
AM/FM
SWITCH
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
CIC701
8305-847-427
FMP617
68N
CC723A
8K2
CR720
100N
CC727
10K
CR718A
8
100K
CR728A
FMP106
FMP217
MP200
MP202
+
22U/16V
C703
MP201
MP21
1K8
CR714A
8382-213-102
10,25MHZ
Q701
XX
CC701
10K
CR734
XX
CC704
6N8
CC721A
BC848C
CT721A
47N
CC711
FMP16
22N
CC702
+
10U/16V
C726
OPT2
XX
CC729A
R200
47K
47N
CC716
R712
10K
MP28
FMP726
FMP727
FMP728
FMP729
FMP714
4K7
CR727A
R108
10R
CR704A
10K
220P
CC718A
10K
CR717A
100N
CC728A
1K2
CR106
BC848C
CT706A
4
1
8
6
3
33-350
106
CR724
1K8
470R
CR107
47N
CC108
33K
R731
R722
10R
10K
CR721A
00N
C214
+
100U/6V3
C714
R719
33K
22R
R713
10K
CR726A
6K8
CR715A
100N
CC216
OPT1
LOC-OSC
LOC-OSC
-MONO/ST
-MONO/ST
+G
+G
+G
+G
FELDST
MPX
STEREO-ANZ
RF-NF-R
RF-NF-L
LOC-OSC/10
LOC-OSC/10
Q-10.25MHZ
+S
+S
FM-SW
FM-SW
AM-SEEK-SW
AM-SEEK-SW
AM-SW
AM-SW
FM-ZF
FM-ZF
AM/FM-SW
AM/FM-SW
SCL
SDA
STOP
AM-ZF
AM-ZF
+VAR
MULTIPATH
09.02.98
Spannungen am IC TUA 4300G (CIC 01)
3V0
3V0
0V8
0V4
8V2
8V1
0V
4V7
0V
4V7
0V
0V
2V7
4V7
2V9
2V9
3V0
3V0
5V1
4V3
64
63
62
61
60
59
58
57
56
55
2V5
2V5
2V9
2V9
0V
0V5
0V
0V
2V9
3V0
3V2
3V3
3V0
3V0
3V0
3V0
3V0
3V0
3V0
3V0
4V8
4V4
0V
2V0
1V6
0V6
8V1
8V1
8V2
8V4
2V2
2V2
2V2
2V2
4V7
4V7
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
2V3
2V3
2V3
0V3
2V3
0V3
0V3
0V3
0V
6V2
6V9
0V
8V5
8V5
8V5
8V5
8V5
8V5
8V5
8V5
0V
0V
8V4
8V4
3V3
3V3
4V6
4V6
4V6
4V6
1V6
0V2
6V7
0V
5V0
5V2
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PIN
PIN
PIN
PIN
5V0
5V2
4V0
0V
4V0
0V
1V7
0V
1V8
0V
2V2
0V4
8V5
8V6
8V5
8V6
3V5
0V
3V5
0V
3V5
0V
0V
4V7
0V
4V7
18
17
16
15
14
13
12
11
10
9
8
7
6
0V
0V
0V1
0V
3V5
3V5
0V
0V1
5
4
3
2
0V
4V1
1
IC
IC
IC
IC
AM
AM
AM
AM
FM
FM
FM
FM
9V6
4V9
2V4
3V2
0V1
3V2
0V1
2V1
3V2
0V1
0V1
3V4
3V4
2V3
2V3
3V4
3V4
3V4
mspannung 2,0V - 6,0V
FM fref= 50kHz
Loop AM
Loop FM
AM-FM PLL
AM fref= 1kHz
WELLENBEREICHE
531kHz.......1620kHz
MW
87.5MHz.......108MHz
WAVE BAND
FM
ALL VOLTAGES MEASURED AT UB=14V WITH RESPECT TO NEGATIV
ALLE SPANNUNGEN GEMESSEN BEI UB=14V GEGEN MINUS
WITH SIGNAL:TR
MIT SIGNAL:TB
WITHOUT SIGNAL:FM
OHNE SIGNAL:FM
WITHOUT SIGNAL:AM
OHNE SIGNAL:AM
WITHOUT SIGNAL
OHNE SIGNAL
MAIN BOARD
HAUPTPLATTE
BAUTEILWERT ´XX´ : NICHT BESTÜCKT
COMPONENT VALUE ´XX´ : NOT FITTED
19353-182.00 SCD 3390 RDS
19353-188.00 CHALLENGE CD
8V6
5V0
5V0
8V6
5V0
5V0
3 - 5
3 - 6