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Satellit 700 Abgleich / Alignment
GRUNDIG Service-Technik
17
Satellit 700 Abgleich / Alignment
GRUNDIG Service-Technik
18
1
20
13
10
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4
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2
5
14
15
7
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11P
11Q
11N
11O
11I
11J
11M
11K
11G
11H
11E 11F
11C
11D
11A
11B
12C
12B
12D
12A
10A
10B
9A
20
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4
7A
7B
6
14A
18
9B
9C
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6 B
A
B
EF
D
C
Suchlauf
Voreinstellungen: FM; Antennenschalter auf EXT.
Einspeisung: Meßsender an Antennenbuchse;
FM, 95 MHz, f
mod
= 50 Hz,100 µV, f = 50 kHz;
Messung: Oszilloskop; Y-Eingang an Meßpunkt
7
.
X-Extern, 50 Hz an X-Eingang
Abgleich: Mit C 531
22
den Rechteck-Impuls auf Frequenz-
mitte einstellen.
RDS
Voreinstellungen: FM; Antennenschalter auf EXT; F 13
24
mit 10 nF
überbrücken.
Einspeisung: Meßsender an Antennenbuchse;
FM; 95 MHz; 1 mV; RDS-Normsignal oder 57 kHz-
fremdmoduliert, f = 1,2 kHz;
Messung: NF-Voltmeter an Meßpunkt
5
.
Abgleich: Mit F12
23
Maximum einstellen.
10 nF entfernen
Mit F13
24
Minimum einstellen.
Feldstärkeanzeige
Voreinstellungen: SW; Antennenschalter auf INT; Teleskopantenne
ablöten.
Einspeisung: Meßsender an Meßpunkt
11
.
22200 kHz 150 µV unmoduliert
Messung: keine
Abgleich: Mit R 533
18
auf Tuning-Marke 4 (im Display)
einstellen.
NF-Platte
Stereo 76 kHz-Oszillator
Voreinstellungen: FM; Antennenschalter auf EXT.
Einspeisung: Meßsender an Antennenbuchse;
FM; 95 MHz; 1 mV; unmoduliert;
Messung: Frequenzzähler lose an Meßpunkt
16
.
Abgleich: Mit R 603
16
auf 76 kHz ± 100 Hz einstellen.
Stereo-Übersprechen
Voreinstellungen: FM; Antennenschalter auf EXT; 3,5 mm-Stereo-
linkenstecker mit 2x7,5 Abschlußwiderstand in
Lautsprecherbuchse stecken.
Einspeisung: Stereosender an Antennenbuchse;
FM; 95 MHz; 1 mV; rechter Kanal moduliert;
Messung: NF-Voltmeter über Tiefpaß an Meßpunkt
17
.
Abgleich: Mit R 605
17
Minimum einstellen.
Einspeisung: Stereosender an Antennenbuchse;
FM; 95 MHz; 1 mV; linker Kanal moduliert;
Messung: NF-Voltmeter über Tiefpaß an Meßpunkt
18
.
Abgleich: Mit R 605
17
gegebenenfalls ausmitteln.
12
19
21
Station search
Presettings: FM; Aerial switch to EXT.
Feeding: Test generator to aerial socket;
FM, 95 MHz, f
mod
= 50 Hz,100 µV, f = 50 kHz;
Measuring: Oscilloscope; Y-input to testpoint
7
.
X-Extern, 50 Hz into X-input
Alignment: By using C 531
22
adjust the square pulse to
frequency middle.
RDS
Presettings: FM; Aerial switch to EXT; short circuit F 13
24
with
a 10 nF capacitor.
Feeding: Test generator to aerial socket;
FM; 95 MHz; 1 mV; RDS standard signal or 57 kHz
modulated externally, f = 1,2 kHz;
Measuring: AF-Voltmeter to testpoint
5
.
Alignment: Adjust F12
23
to maximum.
Remove the 10 nF capacitor
Adjust minimum by F13
24
.
Field strength indication
Presettings: SW; Aerial switch to INT; unsolder the telescopic
aerial.
Feeding: Test generator to testpoint
11
.
22200 kHz 150 µV unmodulated
Measuring: none
Alignment: By using R 533
18
adjust to tuning mark 4 (at
Display).
AF-Board
Stereo 76 kHz Oscillator
Presettings: FM; Aerial switch to EXT.
Feeding: Test generator to aerial socket;
FM; 95 MHz; 1 mV; unmodulated;
Measuring: Frequency counter loosely to testpoint
16
.
Alignment: By using R 603
16
adjust 76 kHz ± 100 Hz.
Stereo Crosstalk
Presettings: FM; Aerial switch to EXT; plug-in a 3,5 mm stereo
jack plug with 2x 7,5 terminating impedance into
the speaker socket.
Feeding: Stereo generator to aerial socket;
FM; 95 MHz; 1 mV; right channel modulated;
Measuring: AF Voltmeter by a low-pass filter to testpoint
17
.
Alignment: Adjust R 605
17
to minimum.
Feeding: Stereo generator to aerial socket;
FM; 95 MHz; 1 mV; left channel modulated;
Measuring: AF Voltmeter by a low-pass filter to testpoint
18
.
Alignment: If necessary adjust R 605
17
to the middle value.
16
17
18
16
17
17


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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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