Grundig SC-620-LED Service Manual
Service Document
Exchange Set
Sono Clock 620 LED
ab Seriennummer 059398
from serial number 059398 on
Service
Manual
Sicherheit
Safety
Materialnr./Part No.
720108000000
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-BS-SA 0502
http://www.grundig.com
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
S
nummer 720108000000, sowie zusätzlich die eventuell abweichenden, landesspezifischen Vorschriften!
The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
S
part number 720108000000, as well as the
respective national deviations.
ǵ
Model : GRUNDIG SC620
Ref. No. : SC620
Date : 21-Jan-00
A) FM Radio section
1) FM IF
INPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
TP3,2 10.7MHz TP5,2 Quiet Point T1,2 Max. o/p symmetrical Vol. at min. position
2) RF VOLTAGE
BAND SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
FM - - TP4,2 87.5MHz L2 1.9 ~ 2 .1V high end 7.5 ~8V
3) FM RF
INPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
TP1,2 90MHz Speaker 90MHz L1 Max. o/p Vol. at max. position
TP1,2 106MHz " " 106MHz TC1 " " " "
4) 75KHZ CRYSTAL
Alignment Information
OUTPUT ADJUST ADJUST FOR REMARK
TP6,7 TC2 75K_ 10HZ
5) 4.332MHZ CRYSTAL
OUTPUT ADJUST ADJUST FOR REMARK
TP8,9 TC3 4.332M_ 10HZ
Note :
1. Use a digital meter to measure each required voltage on above items
2. Use weak signal in RF alignment
3. Radio & LCD board must be connected before alignment
4. Use the frequence counter to measure each required frequency on above items.
1
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SonoClock 620 LED
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SonoClock 620 LED
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SonoClock 620 LED
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SonoClock 620 LED
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