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Abgleich
Bei Batteriespannung U
B
= 6 V.
Bedieneinheit
Uhrfrequenz
Voreinstellungen: keine
Einspeisung: keine
Messung: Frequenzzähler mit Tastkopf lose an Meßpunkt
12
.
Abgleich: Mit C 1128
19
32,768 kHz ± 0,1 Hz
PWM-Arbeitspunkt
Voreinstellungen: SW; 30 MHz
Einspeisung: keine
Messung: Voltmeter an Meßpunkt
21
.
Abgleich: Mit R 1135
21
25 V -2 V/+ 0V
HF-Platte
Bei Geräten in Italien Version muß die Diode D11 eingelötet werden.
6,275 MHz-Referenz
Voreinstellungen: keine
Einspeisung: keine
Messung: Frequenzzähler mit Tastkopf lose an Meßpunkt
13
.
Abgleich: Mit C 138
2
6,275 MHz ± 50 Hz einstellen
54,05 MHz-Referenz
Voreinstellungen: keine
Einspeisung: keine
Messung: Frequenzzähler mit Tastkopf lose an Meßpunkt
19
.
Abgleich: Mit C 154
20
54,05 MHz ± 100 Hz einstellen
VCO 2
Voreinstellungen: LW; 150 kHz
Einspeisung: keine
Messung: Voltmeter an Meßpunkt
4
.
Abgleich: Mit C 217
4
25 V ± 150 mV einstellen.
VCO 1
Voreinstellungen: LW; 150 kHz / SW; 30 MHz
Einspeisung: keine
Messung: Voltmeter an Meßpunkt
20
.
Abgleich: Mit L 411
7A
bei 150 kHz 3,5 V ± 50 mV einstellen.
Mit C 403
7B
bei 30 MHz 17 V ± 100 mV einstellen.
Abgleich wechselseitig wiederholen.
3,6 MHz (Grobabgleich)
Voreinstellungen: SW / USB; Clarify-Regler Mittelstellung
Einspeisung: keine
Messung: Voltmeter an Meßpunkt
6
.
Abgleich: Mit R 812
6
1,65 V ± 50 mV einstellen.
AM-ZF 2 und 1
ZF 2:
Voreinstellungen: MW; 1612 kHz; Bandbreite schmal; Kern der
Spule L 502
9C
bündig mit Becheroberkante voreinstellen;
Einspeisung: Wobbler 450 kHz an Meßpunkt
9
.
Messung: Oszilloskop an Meßpunkt
8
.
Abgleich: Mit L 409
9A
und L 501
9B
auf Maximum und
Symmetrie, danach mit L 502
9C
auf Maximum einstellen.
ZF 1:
Voreinstellungen: MW; 1612 kHz; Bandbreite schmal; F5
10A
nach innen verstimmen;
Einspeisung: Wobbler 1612 kHz/400 Hz/ 30% an Meßpunkt
10
.
Messung: Oszilloskop an Meßpunkt
8
.
Abgleich: Mit F7
10B
auf Mitte, danach mit F5
10A
auf Symme-
trie einstellen.
F7
10B
mit Sendersignal 1612 kHz/400 Hz/ 30% abschließend
auf NF-Maximum an Meßpunkt
17
oder
18
abgleichen.
Alignment
At batterie voltage U
B
= 6 V.
Operating Unit
Clock frequency
Presettings: none
Feeding: none
Measuring: Frequency counter with probe loosely to testpoint
12
.
Alignment: Adjust C 1128
19
to 32,768 kHz ± 0,1 Hz
PWM Operating point
Presettings: SW; 30 MHz
Feeding: none
Measuring: Voltmeter to testpoint
21
.
Alignment: Adjust R 1135
21
to 25 V -2 V/+ 0V
RF-Board
At units in Italian version diode D11 must be soldered in.
6,275 MHz Reference
Presettings: none
Feeding: none
Measuring: Frequency counter with probe to testpoint
13
.
Alignment: Adjust C 138
2
to 6,275 MHz ± 50 Hz
54,05 MHz-Reference
Presettings: none
Feeding: none
Measuring: Frequency counter with probe loosely to testpoint
19
.
Alignment: Adjust C 154
20
to 54,05 MHz ± 100 Hz
VCO 2
Presettings: LW; 150 kHz
Feeding: none
Measuring: Voltmeter to testpoint
4
.
Alignment: Adjust C 217
4
to 25 V ± 150 mV.
VCO 1
Presettings: LW; 150 kHz / SW; 30 MHz
Feeding: none
Measuring: Voltmeter to testpoint
20
.
Alignment: Adjust L 411
7A
at 150 kHz to 3,5 V ± 50 mV.
Adjust C 403
7B
at 30 MHz to 17 V ± 100 mV.
Repeat the adjustment reciprocally.
3,6 MHz (coarse adjustment)
Presettings: SW / USB; Clarify control to middle position
Feeding: none
Measuring: Voltmeter to testpoint
6
.
Alignment: Adjust R 812
6
to 1,65 V ± 50 mV.
AM-IF 2 and 1
IF 2:
Presettings: MW; 1612 kHz; bandwidth narrow; Preadjust the core
of the coil L 502
9C
flushly with the upper end of the bobbin;
Feeding: Sweep generator 450 kHz to testpoint
9
.
Measuring: Oscilloscope to testpoint
8
.
Alignment: Adjust L 409
9A
and L 501
9B
to maximum and
symmetry, than L 502
9C
to maximum.
IF 1:
Presettings: MW; 1612 kHz; bandwidth narrow; detune F5
10A
to
the inner;
Feeding: Sweep generator 1612 kHz/400 Hz/ 30% to
testpoint
10
.
Measuring: Oscilloscope to testpoint
8
.
Alignment: Adjust F7
10B
to center, than F5
10A
to symmetry.
Finally adjust F7
10B
with test signal 1612 kHz/400 Hz/ 30%
to AF maximum at testpoint
17
or
18
.
Satellit 700 Abgleich / Alignment
GRUNDIG Service-Technik
15
15


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  • hello, is that the service manual or the user manual ? thanks. Submitted on 16-3-2023 at 19:01

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