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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: 182
Goldstar20A80No picture.FR406 OC ( NO FIELD )14-09-04
Goldstar20A80AFInt reverts to st/by & won't come back onSw mode tfmrT801 int o/c HT winding pt no 151-148A14-09-04

Goldstar2168FFIELD CRAMP , LINE ACROSS SCREENC309 ( TANT ) 0.22mfd14-09-04
GoldstarC1I20C22F CI21C22FNo response to R/C or front controlsReplace C814 & Q81114-09-04
GoldstarCB14A80EReduced width. 6-8 volts on supply pin of TDA8362Replace TDA8362. Supplying +12V to supply pin of TDA8362, restored width but with no hor. Synchronization.14-09-04
GoldstarCB14A80EReduced width. 6-8 volts on supply pin of TDA8362Replace TDA8362. Supplying +12V to supply pin of TDA8362, restored width but with no hor. Synchronization.14-09-04
GoldstarCB14A80ERelay goes on, then off, immediately after switch onChange memory chip St24C02C.14-09-04
GoldstarCBZ9222ENo horizontal sync. when cold. When hot, everything is OK. It was not possible to track the defective component with a freezer spray.Changed several caps around TDA2579 chip.14-09-04
GoldstarCBZ9222ENo horizontal sync. when cold. When hot, everything is OK. It was not possible to track the defective component with a freezer spray.Changed several caps around TDA2579 chip.14-09-04
GoldstarCF25C22FWidth excessive with bowingC413 10µ 250v u/s caused by C405 0µ22 low cap14-09-04
GoldstarCF25C22F CF28C22DEAD SET , RELAY CHATTERS , D401 SCCHANGE , R308 - 33R 3W ORSO322L667 , D401 , D402 - RU4DS ODD400000AB , X501 - 156-A05B . ALSO CHECK IC301 , ZD304 .14-09-04
GoldstarCF25C22F CF28C22FDead - no line drive - 150v HT okSCL & SDA missing at pins 4 & 5 IC503. Replace X01N on Nicam pcb or IC03N if that doesn't cure it14-09-04
GoldstarCF25C22F CF28C22FDead Q801 chopper tr s/cReduce R810 from 12k to 6k814-09-04
GoldstarCF25C22F CF28C22FDead with relay chatteringChange R308 to 33R 3w, D401/402 to RU4DS & X501 to pt no 156-A05B14-09-04
GoldstarCF25C28CFField collapseFit kit which contains TDA8350QN5 (don't use TDA8350Q)14-09-04
GoldstarCF25C28FE-W DistQ351 KTB988Y s/c e-c & FR359 22R ?w fus res high14-09-04
GoldstarCF25C28FField collapseIC351 TDA8350Q & mod kit KITPC58A14-09-04
GoldstarCF25C36 NC51BWont stop when in search - existing chans may be slightly off tuneIC182 5v reg producing low o/p14-09-04
GoldstarCF28A50 PC58AField - dist top edge of picCheck electrolytics in field stage & fop chip IC351 TDA8350Q14-09-04
GoldstarCF28C22FDead - all psu volts present - lop tr hotC405 0µ22 400v bulged & leaky (checked ok out of cct)14-09-04
GoldstarCF28C28FField collapseReplace IC351 TDA8350CQ fop chip & check adequate heatsink compound & clip is secure14-09-04
GoldstarCF29CService Mode enteringPress MENU, VOL- and PR- buttons on the control board simutaneously, then the TV is changed from normal mode to SVC mode, BUTTON OSD ADJ REFERENCE 6 VL-- Vert Lin 9 VS-- Vert Shift 7 VH-- Vert Hieght 8 SC-- Vert S compensation Crosshatch 1 HS-- Horiz Shift 2 EW Horiz Width 3 EP-- East-West Parabolar Crosshatch 4 EC-- East-West Corner Crosshatch 5 ET-- East-West Trapezium Crosshatch TXT/M PL-- Peak Limit Set to PL45 INDEX GG-- White Balance Set to GG31 Revel RG-- " " " " Set to " " UPDATE BG-- " " " " " " " " Ref) "--" of OSD column means variable number, for example 35 , from 00 to 6314-09-04

GoldstarCF29C20NE/W & field adj problems after changing TDA8350QAdd 220R res across b-e of Q30114-09-04
GoldstarCF29C76N MC51Blank raster & no sound - OSD OKIC182 5v reg near tuner14-09-04
GoldstarCH20A80XCuts on & off with fluctuating voltsC828 100µ 160v going o/c14-09-04
GoldstarCI-21C22Tint start up, int no pic, int txtdry joints14-09-04
GoldstarCI14A20No tuning - osd worksNo 33v tuning supply - FR403 5R6 o/c14-09-04
GoldstarCI14A80Dead & tickingFR802 in 25v line o/c; FET Q801; R806 120k & R821 150k o/c14-09-04
GoldstarCI14A80Reverts to st/by aft few secsEEPROM 24C04 - does not req preprog chip14-09-04
GoldstarCI14A80 CI14A80FORIGINAL TUBE NO LOGER AVAILIABE , ORDER Pt No 205C422-0.39uF 20v 181-013C , L402 H.LIN 150-LO2B , R424 6k8 2W ORS6801K607 , FR404 10R 1W ORF0102J607 , C902 270pF OCN2710K51914-09-04
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