Grundig Sonoclock-690, SC-690 Service Manual
Service Document
Exchange Set
Sono Clock 690
Service
Manual
Sicherheit
Safety
Materialnr./Part No.
72010 800 0000
Dieses Service Dokument ist nur in Datenform verfügbar
This Service Document is only available as data
Änderungen vorbehalten/Subject to alteration
Made by GRUNDIG in Germany • E-BS31 0800
http://www.grundig.com
S
S
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Materialnummer 72010 800 0000, sowie zusätzlich die
eventuell abweichenden, landesspezifischen Vorschriften!
The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
part number 72010 800 0000, as well as the
respective national deviations.
ǵ
Model : GRUNDIG SC690
Ref. No. : SC690
Date : 16 FEB 2000
A) FM Radio section
1) FM IF
INPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
TP8 10.7MHz TP3,4 Quiet Point T101,102 Max. o/p symmetrical Vol. at min. position
2) RF VOLTAGE
BAND SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
FM - - TP2,5 108MHz L102 1.7V~ 2.3V high end 7.3V ~7.7V
Alignment Information
3) FM RF
INPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
TP1,2 90MHz Speaker 90MHz L101 Max. o/p Vol. at max. position
TP1,2 106MHz „ „ 106MHz TC102 „ „ „ „
4) 75KHZ CRYSTAL
OUTPUT ADJUST ADJUST FOR REMARK
TP6,7 CHECK ONLY 75KHz± 10HZ
5) 1.8432MHZ CRYSTAL
OUTPUT ADJUST ADJUST FOR REMARK
TC201 TC201 1.8432MHz± 10HZ
Note :
1. Use the digital meter to measure each required voltage on the above items
2. Use weak signal in RF alignment
3. Radio & LCD board must be connected before alignment
4. Use the frequency counter to measure each required frequency on the about items.
SonoClock 690
SonoClock 690
SonoClock 690
SonoClock 690
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