Grundig Sono Clock 620 LED Technical manual

ab Seriennummer 059398

from serial number 059398 on

Service Document

Exchange Set

Es gelten die Vorschriften und Sicherheitshinweise

gemäßdemServiceManual"Sicherheit",Material-

nummer720108000000,sowiezusätzlichdieeven-

tuell abweichenden, landesspezifischen Vorschrif-

ten!

The regulations and safety instructions shall be

valid as provided by the "Safety" Service Manual,

part number 720108000000, 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-BS-SA 0502

http://www.grundig.com

S

Service

Manual

Sicherheit

Safety

Materialnr./Part No.

720108000000

ǵ

Sono Clock 620 LED

ǵ

1

Alignment Information

Model : GRUNDIG SC620

Ref. No. : SC620

Date : 21-Jan-00

A) FM Radio se tion

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 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_ 10HZ

5) 4.332MHZ CRYSTAL

OUTPUT ADJUST ADJUST FOR REMARK

TP8,9 TC3 4.332M_ 10HZ

Note :1. Use a digital meter to measure 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 measure ea h required frequen y on above items.

SonoClock 620 LED

ǵSonoClock 620 LED

ǵSonoClock 620 LED

ǵ

SonoClock 620 LED

ǵ

SonoClock 620 LED

ǵ

SonoClock 620 LED

ǵ

SonoClock 620 LED

ǵ

SonoClock 620 LED

ǵ

SonoClock 620 LED

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