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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: 901
HitachiG6PBright green raster with flyback lines. When theA new cbip restored everything to normal.14-09-04
HitachiG6PBright white raster - only 20v at RGB collsZD301 12v zener on main pcb14-09-04

HitachiG6PBright white raster which trips aft 30 secsR771 o/c & D763 leaky in RGB supply14-09-04
HitachiG6PColour - looks a bit pale.Q856 ( 2SC2271 )14-09-04
HitachiG6PColour int goes offIC501 HA51338SR pin never soldered14-09-04
HitachiG6PCorrugated vertsC905 & C910 4µ7 50v14-09-04
HitachiG6PDark pic with red flaringLow A1 volts caused by contamination on crt base pcb14-09-04
HitachiG6PDeadQ901 or dry joints on heatsink tag for T72114-09-04
HitachiG6PDead - low res between base - emitt of Chopper transistor Q901CP901 control/drive module HM9205 has s/c between pins 5 & 614-09-04
HitachiG6PDead - momentary crack from spkr & led briefly flashesOK on dummy load - LOPTx faulty14-09-04
HitachiG6PDead after dying whine at sw ondry joints line driver tfmr T721 lands14-09-04
HitachiG6PDEAD LINE TR READS SC OR LOW B-E ( Q901 )CP901 HM9205 SC PINS 5 , 614-09-04
HitachiG6PDead with whineHT low at 50v on dummy load - LOPTx s/c winding14-09-04
HitachiG6PDead without whistleD902 ES1A s/c in psu14-09-04
HitachiG6PDead, st/by LED OK, HT at 40v on dummy loadC914 1000µ 16v14-09-04
HitachiG6PExcess brill with fb linesZD301 12v leaky across lum feed to crt panel14-09-04
HitachiG6PFail to start up - intDry joint R1172 1k between pin 38 of micro & Q1103 coll14-09-04
HitachiG6PField crampC682 100µ 50v14-09-04
HitachiG6PField top foldoverC682 100µ 50v14-09-04
HitachiG6PGOES STRAIGHT TO STBYR902 903 82k HIGH OR OC14-09-04
HitachiG6PGoing to standby at switch on.R902/3 ( 82k ) high.14-09-04
HitachiG6PGREEN FLASHES ON PICTUREREPLACE OSD ID14-09-04

HitachiG6PGreen flashing pic with green fingers reaching out from leftCaption/on screen display gen chip IC1104 M50450-023P14-09-04
HitachiG6PInt cuts out after trying to start2D752 24v zener14-09-04
HitachiG6PInt dead no htEHT sensing diode ZD752 slight reverse leak - 24v zener14-09-04
HitachiG6PInt start upC911 2µ2 50v non pol cap in psu14-09-04
HitachiG6PINT STICKS IN STBYR1172 DRY BETWEEN PIN 38 MICRO AND Q110314-09-04
HitachiG6PLight horizontal bar at top of picCP901 chopper drive chip14-09-04
HitachiG6PLine jitter at top of screen when using vcrChange R706 & R716 to 5k614-09-04
HitachiG6PNo graphics - teletext ok.Q858/Q857 on CRT base , D1113/D1114 , IC1104.14-09-04
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