Grundig EC 4600 RDS Serviceanleitung Seite 14

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
HF-Teil / RF Part
BU01
C01
FMP02
K
33P
4K7
+S
* CD601A * CR605A
1K0
Z47
CC603A
2N2
Nicht bestueckt
MESSPUNKTE
ABGLEICHPUNKTE
3 - 3
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CT02
CC05
D 8V6
9
CC02
0V0
12P
G S
3P3 BF999
L01
3 1 4
2
8140-530-255
CR03
1K0
CR02
1K0
FMP04
+FM
ABSTSPG.:FM
93MHZ5
FMP603
8 6 1 7
MW
4
CR613A
L603A
4 3
8140-533-161
47K
8 6 1 7
LW
5
4 3 L604A
8140-533-121
CT602A
CR604A FMP602
3V0
G1 D 7V8
CC608A
100R
7V0 G2 S 3V1
BF992A
FMP604
4
9
5
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EC 4600 RDS Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
10
L03
*
CC09
1P0
8140-530-255
CD04 BB814
CC06 CC07
8P2 8P2
1V0 1V0 1V7
1 2 3 4 5
REFERENCE
VOLTAGE
BALANCED
MIXER
1,7V
+
TDA1575T
* CIC01
8305-841-575
50uA
16 15 14 13 12
8V7 8V7 8V7
F101 FMP102
2 4
3
8
7 1 6 8
FMP25
FM
FMP24
FM-ABST
= 2V85
ABSTSPG.:AM MW: 1V2...7V8
LW: 1V0...5V0
FMP639
CR624A
CT606A
BF543
22R
D 7V8
CC615A
G S
0V96
1N0
FMP606
* CC620A
CT603A
470P
BC818/40 * CL606A
8UH2
100N
CR619A
* CT608A
680K
CC612A
CT604A DTC143ZK
BC848C
10N
CT607A
BC848C
24 639
10 8
GRUNDIG Service 3 - 4
3 1 4
7
2 L04
8140-530-250
*
* CC16
CR12
470R
6P8
4V0 1V8 1V2 1V2
6 7 8
OSZ.
OSCILLATOR
BUFFER
950R
IF AMPLIFIER
300R 300R
11 10 9
1V2 1V3 4V4 7V7
MS3A10K-A
8602-222-190
F104
FMP104 CR121
1 3
820R
2
MS3A10K-A
F102
CR101
1 3
150R
2
8602-222-190
FM-OSZ
FMP646
AM-ABST +AM
8140-533-130
8602-810-070
F601A
3 4 F602A
1
3
FMP618
PFB450H3
2
7 1 6 8
8V18 2V1
1 2 3
*
CIC601A
DOUBLE GAIN CON-
STANDBY
BALANCED TROLLED IF
SWITCH
MIXER AMPLIFIER
+
VR(AGC)
GAIN-
CONTROLLED
RF STAGE
V1
16 15 14
3V7 3V7
*
CC636A
FMP636
22N
CD608A CC631A CC633A
CR639A
3K3 BB512 100N 220P
CC635M
xxx
CT613A
BC848C
4K7
AM
CR642A
10K
1
7
EC 4600 RDS
ZF
* CT125
BC848C
*
CC102
22N
*
CR103
1V8 1V8 1V8
390R
20 19 18 17 16
TDA
*
ZF- 1593T CIC101
VERSTAERKER
PEGEL-
DETEKTOR
8305-841-593
U ST
UREF
FMP103
1 2 3 4
8V9 3V0 2V7
MS3A10K-A
8602-222-190
F103
1 3 FMP106 FMP121
2
6
FMP113 FMP107
AM-NF
FMP672
CR672A
22K
1
FMP658
1V0
2V1 2V1
0V8 2V0
4 5 6 7 8
7K 7K
3K
V2
VR(AGC) VR
BALANCED
AF PRE- AGC
FULL-WAVE
AMPLIFIER AMPLIFIER
DETECTOR
TDA1072AT
INDIKATOR
8305-841-072
V1 V2 V3 DRIVER
CONTROLLED
OSCILLATOR
V3
INTERNAL
SUPPLY
VOLTAGES
13 12 11 10 9
8V2 4V1 4V1 0V7 0V8
8 1 7
2
LW=0V
MW
MW=9V
FMP66
3
CT617A
8 1 7 BC848C
* CR660A
LW
3
47K
CC646A
3
100N
CC643A ohne LW=0R
121
2
6
3
GRUNDIG Service