Grundig EC 4600 RDS Serviceanleitung Seite 20

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
NF-Teil / AF Part
FMP1503
CIC1501
TDA7340G
1: 4V4
2: 4V4
3: 4V4
4: 4V4
5: 4V4
6: 0V
7: 0V
8: 8V8
9: 8V0
10: 5V0
11: 5V0
12: 6V0
13: 1V9
14: 1V3
15: 6V4
16: 0V
17: 4V3
18: 4V3
19: 0V6
20: 1V6
21: 1V1
22: 4V4
MESSPUNKTE
ABGLEICHPUNKTE
3 - 15
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C301
CR301 FMP1501
+
10K
220N/50V
CR326
47K
CR314 FMP1502
10R 8V9
6 8
GND VS
C307
LP
+
SUPPLY 80kHz
3
10U/16V
CT301
Q301
BC848C
456KHZ
13 PLL
CSB456_F11
CR318
FM-L
10K
PHONE GND
FM-R
27
PHONE IN
28
C1501
FMP1504
+
TBR
35
C1502 2U2/35V
FMP1506
+
TBL
MUX
36
2U2/35V
CC1503
FMP1507
BEEP
38
100N
CC1504 FMP1508
AM L- L+ R+
37
CDR CD CD ICD
33N
30 31 32 29
C1506
FMP1550
+
4U7/16V
C1508
FMP1554
+
4U7/16V
C1507
FMP1552
+
4U7/16V
* CC1532
KLANGSTELLER
TONE CONTROL
SCV
23: 3V7
24: 3V7
25: 3V7
26: 3V7
27: 4V4
28: 4V4
29: 4V4
30: 4V4
31: 4V4
32: 4V4
CC1407
33: 4V4
CR1414
34: 4V4
47K
100N
35: 4V4
36: 4V4
37: 4V4
38: 4V4
39: 4V4
40: 4V4
41: 4V4
42: 4V4
43: 4V4
44: 4V4
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EC 4600 RDS Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
* CR323
3K9
* CR313 * CR316
47K
FMP304 FMP306
FMP307
12 22 16 14 15 19 20 21
MPX-IN LEVEL PEAK TBLANK VHCC
HP DETECTOR FORMER
CONTROL
80kHz PEAK PULSE
LEVEL
HCR
LP NOTCH CONTROL
BLANKER
DEMODULATOR 25kHz 19kHz CUT 17
NOISE
HIGH
18
HCL
FMP308
* CIC1501
DIGGND
7
I C - BUS TDA7340G SDA
11
8305-847-340 SCL
PAUSE 10
OUT RF
25
+LOUD MUTE OUT RR
BASS TREBLE 23
MUTE
VOL SOFT OUT LF
26
OUT LR
24
43 1 2 44 5 4 9 41 42 39 40 33 34
CC1531
XXX
XXX
I
1
CR1418
470K
2
CR1420
CT1419
3
1K0
BC848B
4
CR1416
CT1415
47K BC848B
5
6
7
8
9
10
GRUNDIG Service 3 - 16
FL-A
* CR1601
FMP1623
100R
FR-A
* CR1627
FMP1621
100R
180K
RL-A
*
CR1651
FMP1624
100R
RR-A
*
CR1676
FMP1622
100R
*
* *
* * * *
* *
II
11 1
RL (LINE OUT) RR+
12 2
RR (LINE OUT) RR-
MASSE (LINE OUT) 13 CD-BUS 3 FR+
14 4
FL (LINE OUT) FR-
15 5
FR (LINE OUT) +CD-BUS-GND FL+
16 6
+BOOSTER (LINE OUT) +A FL-
17 ACC 7 RL+
18 8
CD - MASSE RL-
19
CD - L - IN
20 CD - R - IN
EC 4600 RDS
C1602
+
13
2U2/35V
0V7
4 IN1
FMP1602 ST-BY
7
4V8
C1627
5
IN2
+
2U2/35V
0V7
C1652 12 IN3
+
FMP1600 IC1601
2U2/35V
TDA7375A
11 IN4
8305-337-375
C1678
+
2U2/35V
13
0V7
4 IN1
FMP1603 ST-BY
7
4V8
5 IN2
0V7
12 IN3
FMP1601 IC1602
TDA7375A
11 IN4
FMP1620 8305-337-375
III
1
SCV
2
TEL-MUTE
3
4
KL 15 ZUEND
5
+AUT-ANT.
6
BELEUCHTUNG
7 PLUS KL. 30
8
MASSE KL. 31
GRUNDIG Service