Grundig Sono Clock 420 Technical manual

Sono Clock 420
Service Document
Exchange Set
Es gelten die Vorschriften und Sicherheitshinweise
gemäßdemServiceManual"Sicherheit",Material-
nummer 72010 800 0000, sowie zusätzlich die
eventuell abweichenden, landesspezifischen Vor-
schriften!
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.
S
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 0700
http://www.grundig.com
S
Service
Manual
Sicherheit
Safety
Materialnr./Part No.
72010 800 0000
ǵ

SonoClock 420
Alignment Information
Model : GRUNDIG SC420
Ref. No. : SC420
Date : 21-Jan-00
A) FM Radio se tion
1) FM IF
INPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK
TP3, 210.7MHz TP5,2 Quiet Point T1,2 Max. o/p symmetri al 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
OUTPUT ADJUST ADJUST FOR REMARK
TP6,7 TC2 75K± 1HZ
Note :
1. Use digital meter to measurement ea h required voltage on above items
2. Use weak signal in RF alignment
3. Radio & LCD board must be onne ted before alignment
4. Use the frequen e ounter to measurement ea h required frequen e on about items.

SonoClock 420

SonoClock 420

SonoClock 420

SonoClock 420

SonoClock 420

SonoClock 420

SonoClock 420

SonoClock 420