Grundig EC 4600 RDS Serviceanleitung Seite 16

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Prozessorteil / Processor Part
TAST
A
Seite 3 - 13
B
page 3 - 13
C
R
MESSPUNKTE
ABGLEICHPUNKTE
3 - 7
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ON/OFF
TAST
INTINK2
INK2
+T
G_SIEB
GND
LK1
LK2
-30V
F+
F-
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
G1
G2
G3
G4
G5
G6
G7
G8
CR1073 CR1075
22K 22K
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EC 4600 RDS Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
+5V RDS-DATA +5V
CT801
DTC124XK
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44
65 P113/FIP21
66 P112/FIP20
67 P111/FIP19
68 P110/FIP18
69 P107/FIP17
*
70 P106/FIP16 CIC800
71 VLOAD UPD78044 /45
8305-878-046
72 P105/FIP15
73 P104/FIP14
74 P103/FIP13
75 P102/FIP12
76 P101/FIP11
77 P100/FIP10
78 P97/FIP9
79 P96/FIP8
80 P95/FIP7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
*
CR812T
xxx
* CR804 * CR811
3K3 22K
*
CR806
3K3
* CR807
22K
GRUNDIG Service 3 - 8
CD-BUS INK1 +G INK2 T
14 13 12 11 10 9 8
VDD
8305-741-106 * CIC802
40106
GND
1 2 3 4 5 6 7
22K
*
* CC827
CR871
2K7
56P
* CR861
*
CR859
10K
*
CR858
10K
*
CR857
1K0
* CR856
1K0
*
CR854
10K
43 42 41
*
CR853
1K0
*
CR852
1K0
CR851
1K0
CR849
47K
P33/TI1 40 CR848
1K0
P34/TI2 39 3K3
CC821
CR847
P35/PCL 38
3K3
33P
P36/BUZ 37
P37 36
CC819
X2 35
*
CR879
33P
X1 34
CC818
CR843
1K0
VSS 33
330K
33P
XT2 32
P04/XT1 31
CC816
AVREF 30
CR841
33P
AVDD 29
*
CR839
10R
P10/ANI0 28
* CR838
1K0
P11/ANI1 27
* CR837
10K
P12/ANI2 26
1K0
P13/ANI3 25
22 23 24
CR831
CR833
10K
CR827
47K
CR828
56K
EC 4600 RDS
+A
*
CT802
22K
DTC124XK
RDS-CLK
RELAIS-ON
MUTE
SCVP
CRQ
ROGER-BEEP
NACHT
4MHZ332
+G
+5V
FELDST
TAST
UREF
*
CR834 K-SIG
1K0
+G
CR832 AMP-TEMP
CRST
1K0
TAPE-DIR
1K0
+A
*
CC814
22N
1 8 +5V
2 7
* CIC801
3 24LC16 6 FMP802
CR881
4 5 FMP801 SCL1
1K0
8305-958-016
FMP803
CR882
SDA1
1K0
GRUNDIG Service