Grundig EC 4600 RDS Serviceanleitung Seite 20

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