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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: 9
Bush2002DeadZD401 12v 1w zener, R419 5R6 3w & 2 caps in psu - HT = 115v14-09-04
Bush2002 OnwaNO 12v FROM LINE STAGER421 ( 0.68ohm ) , R419 ( 5.6ohm ) , ZD401 ( BZX61-C12 ) C909 & C919 both ( 47uF ) 63V14-09-04

Bush2002Alow contrastR316 100k o/c14-09-04
GEC2002HRaster - bright screen & flyback lines.R258 o/c.14-09-04
HikonaRM2002Crackle on sound unaffected by vol settingcheck 47µ tant coupling cap under IF screening can14-09-04
HikonaRM2002No soundIC101 TA7680 Audio o/p chip pin 1 (vol cont) should read 5.8v at min vol & 0v at max. Was not varying - Q201 faulty - BC238 does14-09-04
HikonaRM2002No sound.Q201 ( BC238 ) but diff legout , TA768014-09-04
SharpC2002Dead.STR4090.14-09-04
SharpC2002Standby - no switch on some times from s/by.R717 ( 390k ) , C720 , R712 , last IC701.14-09-04
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