Inhaltsverzeichnis
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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
NF-Teil / AF Part
C301
+
220N/50V
CR314
10R
FMP1503
CR318
10K
C1502
2U2/35V
CC1504
33N
MESSPUNKTE
ABGLEICHPUNKTE
3 - 11
* CR323
3K9
CR301
FMP1501
10K
CR326
47K
FMP1502
8V9
6
8
12
22
GND
VS
MPX-IN
C307
LP
HP
+
SUPPLY
80kHz
80kHz
3
10U/16V
CT301
Q301
BC848C
456KHZ
DEMODULATOR
13
PLL
CSB456_F11
FM-L
PHONE GND
27
FM-R
PHONE IN
28
C1501
FMP1504
+
TBR
35
2U2/35V
FMP1506
PAUSE
+
TBL
MUX
36
CC1503
FMP1507
BEEP
38
+LOUD
100N
FMP1508
MUTE
AM
VOL
L-
L+
R+
37
CDR
CD
CD
ICD
30 31 32
29
43
1
2
44
C1506
FMP1550
+
4U7/16V
C1507
C1509
FMP1552
+
+
4U7/16V
2U2/35V
C1508
FMP1554
+
C1511
4U7/16V
+
2U2/35V
KLANGSTELLER
TONE CONTROL
ALLE SPANNUNGEN SIND NÄHERUNGSWERTE, GEMESSEN BEI UB=14V GEGEN MINUS
ALL VOLTAGES ARE APPROXIMATES, MEASURED AT UB=14V WITH RESPECT TO NEGATIV
OHNE SIGNAL
WITHOUT SIGNAL
OHNE SIGNAL:AM
WITHOUT SIGNAL:AM
OHNE SIGNAL:FM
WITHOUT SIGNAL:FM
MIT SIGNAL:TB
WITH SIGNAL:TR
EC 4790 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of the PCBs
* CR313
CR316
47K
180K
* CC308
16
14
15
19 20 21
1N0
LEVEL
PEAK
TBLANK
VHCC
DETECTOR
FORMER
CONTROL
PEAK
PULSE
LEVEL
HCR
LP
NOTCH
CONTROL
BLANKER
25kHz
19kHz
CUT
17
NOISE
HIGH
18
HCL
* CC309
1N0
DIGGND
7
TDA7340G
SDA
I C - BUS
11
* CIC1501
SCL
10
OUT RF
25
MUTE
OUT RR
BASS
TREBLE
23
SOFT
OUT LF
26
OUT LR
24
5
4
9
41 42
39 40
33 34
* CC1524
* CR1524
0R
1N5
* CC1523
* CR1523
0R
1N5
* CR1514
100K
* CR1516
100K
* CR1517
100K
* CR1518
100K
GRUNDIG Service
3 - 12
* CC1628
FR-A
* CR1627
470R
1U0
* CC1678
RR-A
* CR1676
470R
1U0
FL-A
* CC1603
FMP1623
* CR1601
470R
1U0
FMP1622
FMP1621
* CC1653
FMP1624
RL-A
* CR1651
470R
1U0
ANSCHLUSSGEHAUESE
CONNECTION TERMINAL
1
4
13
16
19
I
3
6
15
18
2
5
17
20
+
+
+
+
1
3
7
5
II
-
-
-
-
2
4
6
8
1
5
7
III
2
4
6
8
EC 4790 CD
FMP1600
FMP1601
FMP1602
FMP1603
13V8
KAMMER I / SECTION I
1
RL
(LINE OUT)
2
RR
(LINE OUT)
3
Masse
(LINE OUT)
4
FL
(LINE OUT)
5
FR
(LINE OUT)
6
+BOOSTER
(LINE OUT)
7
8
9
10
GRUNDIG Service
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Inhaltsverzeichnis
