Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
EC 4790 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
EC 4790 CD
3 - 12
GRUNDIG Service
3 - 11
GRUNDIG Service
NF-Teil / AF Part
* CR1514
100K
*
CR324
3K3
* CR323
3K9
*
CR1534
0R
0R
CR1533
* CR1651
470R
* CR1601
470R
* CR1676
470R
* CR1627
470R
47K
CR319
* CR1523
0R
* CR1518
100K
100R
CR1513
* CR1517
100K
* CR1524
0R
10K
CR318
100R
CR1509
100R
CR1512
* CR1516
100K
100R
CR1511
*
CR1606
10K
*
CR1604
100K
*
CR1507
10K
*
CR1508
4K7
*
CR1504
10K
180K
CR316
*
CR322
470R
4K7
CR1506
1M0
CR1501
1K0
CR1502
*
CR321
470R
*
CR311
120K
*
CR312
68K
* CR313
47K
*
CR309
56K
*
CR307
36K
47K
CR326
10K
CR301
10R
CR314
1M0
CR1503
33N
CC1504
* CC1603
1U0
* CC1653
1U0
*
CC1651
10N
*
CC1601
10N
*
CC1676
10N
*
CC1626
10N
* CC309
1N0
* CC308
1N0
100N
CC1520
*
CC1607
100N
* CC1523
1N5
* CC1628
1U0
* CC1678
1U0
* CC1524
1N5
*
CC1522
100N
*
CC1519
100N
100N
CC1518
100N
CC1516
*
CC1514
4N7
68N
CC1513
*
CC1606
100N
100N
CC1503
*
CC202
330P
*
CC201
47N
47P
CC303
100N
CC304
*
CC1512
68N
100N
CC1515
+
100U/10V
C1604
+
100U/10V
C306
+
4U7/16V
C1506
+
4U7/16V
C1507
+
4U7/16V
C1508
+
2U2/35V
C1528
+
2U2/35V
C1526
+
2U2/35V
C1527
+
2U2/35V
C1529
+
2U2/35V
C1509
+
2U2/35V
C1511
+
2U2/35V
C1501
+
2U2/35V
C1502
FMP1507
FMP1506
FMP1504
FMP1502
FMP1503
FMP306
FMP304
FMP303
FMP302
FMP301
FMP201
FMP308
FMP307
FMP1624
FMP1623
FMP1622
FMP1621
FMP1554
FMP1552
FMP1550
FMP1501
FMP1600
FMP1601
FMP1602
FMP1603
FMP1508
*
CD301
BAV99
BC848C
CT301
CSB456_F11
Q301
+
10U/16V
C307
+
220N/50V
C301
PAUSE
LEVEL
VHCC
VSB
VR
CREF
GND
VS
MPX-IN
PEAK
TBLANK
HCR
HCL
TRR
TRL
L
L
R
R
CSM
L
R
INR
INL
OUTL
OUTR
TREBLE
R+
ICD
CD
L+
L-
PHONE GND
PHONE IN
CDR
MUTE
FM-L
FM-R
DIGGND
SDA
SCL
TBR
TBL
BEEP
AM
CD
BASS
DETECTOR
PEAK
FORMER
PULSE
CONTROL
LEVEL
CONTROL
CUT
HIGH
BLANKER
NOISE
NOTCH
19kHz
LP
25kHz
I C - BUS
OUT RF
OUT RR
OUT LF
OUT LR
MUTE
SOFT
+LOUD
VOL
PAUSE
DEMODULATOR
HP
80kHz
LP
80kHz
SUPPLY
456KHZ
PLL
MUX
1
22
23
24
25
26
27
28
29
30 31 32
33 34
35
36
37
38
39 40
41 42
43
44
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 20 21
* CIC1501
TDA7340G
SCL
SDA
CD-NF-L
ENDST-MUTE
L-FR
CD-NF-R
ROGER-BEEP
AM-NF
+S
MPX
CD-R
CD-GND
K-SIG
L-FL
RR-A
FL-A
RL-A
FR-A
UREF
MUTE
L-RL
GND
L-RR
CD-L
+U
8V9
TONE CONTROL
KLANGSTELLER
ABGLEICHPUNKTE
MESSPUNKTE
+BOOSTER
KAMMER I / SECTION I
5
8
(LINE OUT)
(LINE OUT)
(LINE OUT)
(LINE OUT)
(LINE OUT)
(LINE OUT)
FR
RL
RR
Masse
FL
10
9
8
7
6
5
4
3
2
1
ANSCHLUSSGEHAUESE
CONNECTION TERMINAL
III
II
I
SI T 10
17
13
20
18
15
16
19
6
3
5
4
1
2
-
-
-
-
+
+
+
+
8
5
2
2
1
1
6
6
4
4
7
7
3
WITH SIGNAL:TR
MIT SIGNAL:TB
WITHOUT SIGNAL:FM
OHNE SIGNAL:FM
OHNE SIGNAL:AM
WITHOUT SIGNAL:AM
WITHOUT SIGNAL
OHNE SIGNAL
ALL VOLTAGES ARE APPROXIMATES, MEASURED AT UB=14V WITH RESPECT TO NEGATIV
ALLE SPANNUNGEN SIND NÄHERUNGSWERTE, GEMESSEN BEI UB=14V GEGEN MINUS
9V2
13V8
