EC 4790 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
EC 4790 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
GRUNDIG Service
3 - 13
GRUNDIG Service
3 - 14
120K
CR2202
1K0
CR1800
100K
CR2003
18K
CR2201
MURS320T3
CD2001
FS1D
CD2003
BAS16
CD1800
22N
CC2002
10N
CC2201
10N
CC1800
100N
CC2006
100N
+
100U/10V
C1604
FMP1613
FMP1614
FMP1612
FMP1611
FMP1609
FMP1608
FMP1607
FMP1606
FMP2222
FMP1800
FMP2001
FMP2003
FMP2004
FMP2002
FMP2011
FMP2303
FMP2012
FMP2013
FMP2008
FMP2016
FMP2009
FMP2019
A10
A11
A12
A13
A4
A1
A6
A2
A3
A0
A5
A7
A9
A8
OUT LR-
OUT LF+
OUT RR-
OUT RF+
GND LR
GND LF
GND RR
GND RF
IN LR
IN LF
IN RR
IN RF
OUT RR+
OUT LR+
OUT LF-
OUT RF-
STD/HI-EFF
VCC1
VCC2
CD
TAB
S-GND
SVR
ST-BY
MUTE
16
17
18
19
20
21
22
23
24
25
3
13
6
8
9
1
2
15
14
10
4
7
5
12
11
TDA7454
IC1601
L2001
BC848C
CT2201
F
100N/50V
C1601
RUE160
R2010
+
10U/16V
C2004
+
3M3/16V
C2001
4
2
1
3
BSP452
CIC2002
L4892CV
1
2
3
IC2001
+
220U/10V
C2003
FMP2017
RXE050
R2011
+14V
+14V
+14V
+14V
RL-
FR+
L-FR
L-FR
CD-BUS
CD-BUS
TEL-MUTE
TEL-MUTE
TEL-MUTE
RL+
FL+
FL-
+S
CD-R
CD-R
RR-
CD-GND
CD-GND
ZUEND-ON
LICHT
LICHT
LICHT
L-FL
L-FL
RELAIS-ON
RR+
AUT-ANT
AUT-ANT
L-RL
L-RL
GND
GND
+14V
+14V
+14V
+14V
GND
GND
L-RR
L-RR
CD-L
CD-L
FR-
+A
CD-BUS
CD-R
CD-GND
CD-L
+A
+A
+A
+A
+U
15.07.99
19373-228.00
HAUPTPLATTE 19373-222.00
ENDSTUFE
POWER AMPLIFIER
9V2
±
4%
CONNECTING BOARD
ANSCHLUSSPLATTE
MAIN BOARD
* = BAUTEILE REFLOWSEITE
S-KONT
S-KONT
WS
VI
GN
RT
BR
SW
BR
OR
SW
BL
GE
GN
RT
II-5
II-6
II-7
II-8
II-3
II-4
II-1
3N9
CC1732
A9
A8
A7
A4
A5
A10
A1
A2
A3
A11
3N9
CC1738
II-2
3N9
CC1707
A13
I-2
I-5
I-4
I-1
I-6
I-17
I-16
I-13
I-3
I-18
I-20
I-19
III-5
III-2
III-4
III-7
III-8
III-6
A12
A6
A0
I-15
3N9
CC1736
3N9
CC1734
SI1701
3N9
CC1704
3N9
CC1703
3N9
CC1702
3N9
CC1701
FL+
RL+
FR+
RR+
RR-
FR-
FL-
RL-
3N9
CC1712
3N9
CC1708
3N9
CC1709
3N9
CC1714
3N9
CC1716
3N9
CC1717
3N9
CC1721
3N9
CC1713
3N9
CC1719
3N9
CC1718
3N9
CC1723
3N9
CC1722
47N
CC1711
GND
GND
GND
L-RR
L-RL
L-FR
S-KONT
TEL-MUTE
AUT-ANT
+14V
LICHT
L-FL
DIN72581/3C
GN
VI
RT
BR
SW
II-1
II-2
III-5
III-2
WS
GE
BL
SW
BR
RT
OR
GN
10A
III-6
ACC
+A-CD
CDBUS-GND
CDBUS
CD-IN-R
CD-GND
CD-IN-L
LINE-RL
LINE-FL
LINE-GND
LINE-FR
LINE-RR
+BOOSTER
I-6
I-17
I-16
I-13
I-20
I-18
I-19
I-15
I-1
I-4
I-3
I-5
I-2
+
-
-
-
-
+
+
+
RR
FR
RL
FL
III-4
III-8
III-7
II-4
II-3
II-8
II-7
II-6
II-5
MASSE KL. 31
BELEUCHTUNG
CD - MASSE
KAMMER III / SECTION III
KAMMER II / SECTION II
ON I
RL-
RL+
FL-
FL+
FR-
FR+
RR-
RR+
+CD-BUS-GND
ACC
KL 15 ZUEND
TEL-MUTE
PLUS KL. 30
+AUT-ANT.
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
CD - R - IN
CD - L - IN
+A
CD-BUS
E OUT)
E OUT)
E OUT)
E OUT)
E OUT)
E OUT)
20
19
18
17
16
15
14
13
12
11
14V
14V
13V8
