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