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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: 626
Bush2020Jumps in/out of st/by at chan changeIC2 MDA2061 EEPROM14-09-04
Bush2020Long time for pic to appear at sw onDue to ageing tube with auto grey scale - fit 100k res between "auto" & 12v pins on CRT base14-09-04

Bush2020No col & Chan UP control does Chan DOWNReprogram micro (MDA2061 eprom) - TV Feb9414-09-04
Bush2020No colourCheck TDA3562A by subst & R251 18k o/c (If using non TFK chip as replacement change R513 from 180k to 68k & R515 from 120k to 150k14-09-04
Bush2020No display - set trips after a few minutes.C22 ( 470uf14-09-04
Bush2020NO FIELD , SOUND OR CHAN DISP.R422 OC. 2R014-09-04
Bush2020NO SOUND OR PICTURE OR CHANNEL DISPLAYTR1 + TR2 BC237 IN RESET CCT14-09-04
Bush2020Patterning & field cramping in centreC806 1000µ 16v14-09-04
Bush2020Pic shifted over - line phase outR419 470k o/c14-09-04
Bush2020Picture takes a long time to come on.fit 100K res between the 'auto' & '12V14-09-04
Bush2020PSU screaming loudly.C818 ( 1u f , 50v ) C806 ( 1 , 000u f , 16v ) C808 ( 1 , 000u f , 25v )14-09-04
Bush2020Red Raster.IC ( TDA3562A-TFK )14-09-04
Bush2020Slow startup.Main smoothing electrolytic ( 120uf 400v )14-09-04
Bush2020Snowy raster - display shows 88.SAA1293A-03 ( see also Bush reprogramming guides )14-09-04
Bush2020Sound poorR608 100k feedback res o/c14-09-04
Bush2020Squealing tripping.LOP transistor s/c , R811 ( 1R ) o/c , check for dry on C808.14-09-04
Bush2020Takes a long time for picture to come appear.IC501 ( TDA3562A-TFK )14-09-04
Bush2020Takes up to 30 mins for picture to appear.Change IC501 to non TFK type & change R513 to 68k , R515 to 150k14-09-04
Bush2020TDA3562A REPLACEMENTIF PHILIPS TYPE BEING FITTED CHANGE R513 FROM 180k to ( 68K ) & R515 from 120K to ( 150K ) if TFK type then leave originals in14-09-04
Bush2020Thin black lines across picture.C806 ( 1000uf ) o/c.14-09-04
Bush2020Uncontrollable brightness.C416 ( 10uf 250v ) o/c.14-09-04
Bush2020Vert black band 2 inches from rh sideR419 470k ?w o/c14-09-04

Bush2020VERTICAL BLACK LINE LEFT SIDER419 470k14-09-04
Bush2020TFlashing pic - int blanked off & no TxtOK with Txt o/p plug dis'd Sus TPU2732 chip14-09-04
Bush2020TNO TEXT OR BLANK SCREEND.J.s ON TEXT BOARD.14-09-04
Bush2020TNo txt - p100 appears unlocked when in mixtxt not synced VAD1250 chip u/s14-09-04
Bush2020TTRIPPING HT LOW AT 55vLOPT SC14-09-04
Bush2020TTrips with HT low at 55vWhen LOP stage dis'd, HT is normal - LOPTx faulty14-09-04
Bush2020TTxt in mix only & unsyncedIC01 VAD1250 chip on txt pcb14-09-04
Bush2023Deadcheck rect diodes, 330R, 0R47, 820R res, BUZ90 & 2R2 5w ww res all in psu14-09-04
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