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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: 8
HitachiC2886TNBlank, black raster, sound okReplace ST24W16 EEPROM - to select service menu: with main menu on screen, hold vol + & - buttons on the tv until menu changes to include service option. highlight service and press vol+ to enter. 14-09-04
HitachiC2886TNLong time for pic to appear at sw onadjust Set H.T. to 149 volts +/- .2%, Screen ( A1 ) for 147 volts on green cathode. Picture should appear aft 5 - 10 secs after sound at sw on if still a problem change R896;897;898; from 150R to 220R14-09-04

HitachiC2886TNNo sound - pic okMuting Tr Q4000 turned on by micro. Put EEPROM into "E2 shipping mode" to set all settings to default cured it although had to retune.14-09-04
HitachiC2886TNservice mode enteringHold down menu key until install line appears, press up & down vol buttons together until service becomes an option then follow on screen prompts14-09-04
HitachiC2886TN A7Pic takes long time to appearChange R896,R897 & R898 from 150R TO 220R & set A1 to 147v at green Tr cath14-09-04
HitachiC2886TN A7Sound - int crackleResolder caps around sound o/p IC - build up of residue on legs14-09-04
HitachiC2886TN A7St/by only but LED dim as though working (TDA8375 version)DJ on the ground link which is located between small caps C528, C529 near the 2 X-tals X501, X502. The DJ was on the component side of the PCB.14-09-04
HitachiC2886TN A7When changing LOPTxsPay attention to type of replacement transformer; if not identical you may need to change links (see Serge)14-09-04
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