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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 13
Finlandia66GZ7 Salora MSt/by onlyDB525 BYV95C s/c in LOP stage14-09-04
FinlandiaC51GZ5Tuning store/lock code - press within 5 secStore,Chan-up,store14-09-04

FinlandiaC51GZ6Tuning store/lock code - press within 5 secA/Red,0/AV,Step,Store14-09-04
FinlandiaC59GZ5Tuning store/lock code - press within 5 secStore,Chan-up,store14-09-04
FinlandiaC59GZ7Int blank rasterDry joints pin of ferrite wound transformer MB521 which connects to the Drain of FET TB526 which acts as a "width control switch" in the HT supply to the line transistor14-09-04
FinlandiaC59GZ7Tuning store/lock code - press within 5 secA/Red,0/AV,Step,Store14-09-04
FinlandiaC59GZ7Tuning store/lock code - press within 5 secA/Red,0/AV,Step,Store14-09-04
GranadaC51GZ5 Salora LField collapseChange TDA3654 and 100mfd 50v next to it CB575. 25v is fed from ipsalo transformer pin 13 via diode BB612 and safety resistor RB616.Check for dry joints on stand up panel next to Trfmr 14-09-04
GranadaC59GZ5No txtMDA2062 eeprom - option bit could be set but had no effect14-09-04
GranadaC59GZ7No pic - sound okWhen A1 advanced field coll noticed - IC570 TDA8172 f op chip14-09-04
GranadaC59GZ7No picture.TDA8172 FIELD IC SC14-09-04
GranadaC66GZAField collapseIC501 TDA3654 fop chip had failed; C574 100µ 50v low cap14-09-04
Granada HitaC66GZAField collapse - the TDA3654 field output chip IC5C574 ( 100uF , 50V )14-09-04
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