Grundig-SC-690-Service-Manual.pdf

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1、Sono Clock 690 Service Document Exchange Set Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual “Sicherheit“, Material- nummer 72010 800 0000, sowie zustzlich die eventuell abweichenden, landesspezifischen Vor- schriften! The regulations and safety instructions shall be valid

2、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 verfgbar This Service Document is only available as data nderungen vorbehalten/Subject to alteration Made by GRUNDIG in Germany E-BS31

3、 0800 http:/ S Service Manual Sicherheit Safety Materialnr./Part No. 72010 800 0000 RadioFans.CNSonoClock 690 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 Po

4、int T101,102 Max. o/p symmetrical V ol. at min. position 2) RF VOLTAGE BAND SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK FM - - TP2,5 108MHz L102 1.7V 2.3V high end 7.3V 7.7V 3) FM RF INPUT SIGNAL OUTPUT SET RADIO ADJUST ADJUST FOR REMARK TP1,2 90MHz Speaker 90MHz L101 Max. o/p V ol. at max. pos

5、ition TP1,2 106MHz 106MHz TC102 4) 75KHZ CRYSTAL OUTPUT ADJUST ADJUST FOR REMARK TP6,7 CHECK ONLY 75KHz 10HZ 5) 1.8432MHZ CRYSTAL OUTPUT ADJUST ADJUST FOR REMARK TC201 TC201 1.8432MHz 10HZ Note : 1. Use the digital meter to measure each required voltage on the above items 2. Use weak signal in RF al

6、ignment 3. Radio & LCD board must be connected before alignment 4. Use the frequency counter to measure each required frequency on the about items. RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock

7、690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 RadioFans.CNSonoClock 690 VOLTAGE TABLE OF MODEL : GRUNDIG SC690 (UNITS = VOLTS) DATE : 25 APR 00 COMPONENTS : ICS IC 102, TA7358AP IC 105, KA2201 AT POWER ON CONDITION AT POWER ON CONDITION PIN NO. V-OUT (Volts) PIN N

8、O. V-OUT (Volts) 1 0,47 1 0,6 2 1,17 2 0,5 3 2,92 3 0 4 1,16 4 0 5 0 5 6,5 6 3,34 6 12,2 7 2,22 7 12,1 8 2,96 8 7,2 9 2,92 IC 103, LA1260 IC 101, BU2614 AT POWER ON CONDITION AT POWER ON CONDITION PIN NO. V-OUT (Volts) PIN NO. V-OUT (Volts) 1 0 1 2,3 2 2,5 2 1,7 3 1,5 3 0 4 0 4 4,85 5 3,7 5 0 6 3,3

9、6 0 7 0,68 7 0 8 1,53 8 0 9 1,45 9 0 10 1,46 10 0 11 1,38 11 0 12 2 12 0 13 0 13 4,85 14 0 14 4,85 15 2,3 15 1,14 16 1,76 16 0 COMPONENTS : ICS IC 104, TC9260 AT POWER ON CONDITION PIN NO. V-OUT (Volts) 10 20 30 40 50 60 70 80 90 10 0 11 2,4 12 2,4 13 2,4 14 2,4 15 2,4 16 4,8 IC 106, 78L09 AT POWER

10、ON CONDITION PIN NO. V-OUT (Volts) 1 16,7 20 39 Page 1 of 3 RadioFans.CNSonoClock 690 VOLTAGE TABLE OF MODEL : GRUNDIG SC690 (UNITS = VOLTS) DATE : 25 APR 00 COMPONENTS : TRANSISTORS MEASURED CONDITION : AT POWER ON Q101 9014C Q109 85500 Q201 9014C C 5,25 C 12,2 C 0,37 B 1,11 B 11,4 B 0,59 E 0,58 E

11、12,2 E 0Q102 9014C Q110 9012H Q301 9012G C 5,25 C 4,91 C 1,3 B 0,58 B 11,6 B 4,74 E 0 E 12,2 E 4,88Q103 9018F Q111 9014C Q302 9012G C 1,8 C 11,4 C 1,4 B 0,75 B 0,56 B 4,72 E 0 E 0 E 4,88Q104 9018F Q112 9014C Q303 9012G C 0,07 C 0,56 C 1,4 B 0 B 0,55 B 4,73 E 0 E 0 E 4,88Q105 9015C Q113 9012H Q304 90

12、12G C0 C0 C1 , 3 B 0,7 B 11,4 B 4,73 E 0,036 E 12,1 E 4,88Q106 9014C Q114 9014C Q305 9012G C 0 C 11,27 C 0 B 0,036 B 0,57 B 1,3 E0 E0 E0Q108 9014C Q115 9014C C 6,1 C 0,57 B 0,67 B 0,55 E0 E0 Page 2 of 3 RadioFans.CNSonoClock 690 VOLTAGE TABLE OF MODEL : GRUNDIG SC690 (UNITS = VOLTS) DATE : 25 APR 00 COMPONENTS : TRANSISTORS MEASURED CONDITION : AT POWER OFF Q108 9014C C 12,54 B 0,038 E0 Q109 85500 C 0,63 B 12,5 E 13,12 Q110 9012H C 4,91 B 12,56 E 13,1 Q111 9014C C 12,3 B 0,57 E0 Q112 9014C C 0,57 B 0,55 E0 Q201 9014C C 0,34 B0 E0 Page 3 of 3 RadioFans.CNSonoClock 690 RadioFans.CN