Service Document
Exchange Set
Sono Clock 690
Service |
Es gelten die Vorschriften und Sicherheitshinweise |
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S gemäß dem Service Manual "Sicherheit", Material- |
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Manual |
nummer 72010 800 0000, sowie zusätzlich die |
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Sicherheit |
eventuell abweichenden, landesspezifischen Vor- |
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schriften! |
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Safety |
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The regulations and safety instructions shall be |
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Materialnr./Part No. |
S valid as provided by the "Safety" Service Manual, |
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72010 800 0000 |
part number 72010 800 0000, as well as the |
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respective national deviations. |
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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
Alignment Information
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 |
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BAND |
SIGNAL |
OUTPUT |
SET RADIO |
ADJUST |
ADJUST FOR |
REMARK |
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FM |
- - |
TP2,5 |
108MHz |
L102 |
1.7V~ 2.3V |
high end 7.3V ~7.7V |
3) |
FM RF |
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INPUT |
SIGNAL |
OUTPUT |
SET RADIO |
ADJUST |
ADJUST FOR |
REMARK |
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TP1,2 |
90MHz |
Speaker |
90MHz |
L101 |
Max. o/p |
Vol. at max. position |
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TP1,2 |
106MHz |
„ „ |
106MHz |
TC102 |
„ „ |
„ „ |
4) |
75KHZ CRYSTAL |
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OUTPUT |
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ADJUST |
ADJUST FOR |
REMARK |
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TP6,7 |
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CHECK ONLY |
75KHz± 10HZ |
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5)1.8432MHZ CRYSTAL
OUTPUT |
ADJUST |
ADJUST FOR |
REMARK |
TC201 |
TC201 |
1.8432MHz± 10HZ |
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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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