Grundig-Sonoclock-690-Service-Manual电路原理图.pdf

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1、Sono Clock 690Service DocumentExchange SetEs gelten die Vorschriften und Sicherheitshinweisegem dem Service Manual “Sicherheit“, Material-nummer 72010 800 0000, sowie zustzlich dieeventuell abweichenden, landesspezifischen Vor-schriften!The regulations and safety instructions shall bevalid as provid

2、ed by the “Safety“ Service Manual,part number 72010 800 0000, as well as therespective national deviations.SDieses Service Dokument ist nur in Datenform verfgbarThis Service Document is only available as datanderungen vorbehalten/Subject to alterationMade by GRUNDIG in Germany E-BS31 0800http:/SServ

3、iceManualSicherheitSafetyMaterialnr./Part No.72010 800 0000IK501SonoClock 690Alignment InformationModel : GRUNDIG SC690Ref. No. : SC690Date : 16 FEB 2000A) FM Radio section1) FM IFINPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARKTP8 10.7MHz TP3,4 Quiet Point T101,102 Max. o/p symmetrical Vol. a

4、t min. position2) RF VOLTAGEBAND SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARKFM - - TP2,5 108MHz L102 1.7V 2.3V high end 7.3V 7.7V3) FM RFINPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARKTP1,2 90MHz Speaker 90MHz L101 Max. o/p Vol. at max. positionTP1,2 106MHz 106MHz TC102 4) 75KHZ CRYSTALO

5、UTPUT ADJUST ADJUST FOR REMARKTP6,7 CHECK ONLY 75KHz 10HZ5) 1.8432MHZ CRYSTALOUTPUT ADJUST ADJUST FOR REMARKTC201 TC201 1.8432MHz 10HZNote :1. Use the digital meter to measure each required voltage on the above items2. Use weak signal in RF alignment3. Radio & LCD board must be connected before alignment4. Use the frequency counter to measure each required frequency on the about items.SonoClock 690SonoClock 690SonoClock 690SonoClock 690SonoClock 690SonoClock 690SonoClock 690SonoClock 690