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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: 12
JMBC2099TX Matsui TVR180St/by onlysyscon/timer/servo IC1006 OEC0078C using the sub-panel to get it out of S/by and then corrected incorrect Hex values. (Or get preprog 24C08 from Grandata)14-09-04
MatsuiTVR180Dark picC819 2200pf 2kv leaky on crt base14-09-04

MatsuiTVR180Dead - PSU blownSTRF6707, R542, R543, R503, 22u, 100u & opto coupler14-09-04
MatsuiTVR180Dead with front blown off STRF6707STRF6707 R542 0R39 1W, R543 680R, R503 4k7 14-09-04
MatsuiTVR180Dead with psu pulsingLOPTr 2SD2599 s/c - replaced with BU508DFI - no reason found for its demise14-09-04
MatsuiTVR180Dead, front blown off the STRF6707replace STRF6707; R542( 0R39 1 watt ); R543 ( 680R );R503 ( 4k7) & 100uF & 22 uF in psu14-09-04
MatsuiTVR180Low height aft EEPROM replacemententered service mode Vol(-) +9 on H/Set. change vert amp setting from 30 to 45 on both. had to wait overnight for the backup battery to discharge, (to get into service mode)14-09-04
MatsuiTVR180No I/P from SCART or access to tuning menu or i/p selectEEPROM corrupt - reprog IC14-09-04
MatsuiTVR180No sound, AFC offEEPROM corrupted14-09-04
MatsuiTVR180Shows "Protected" after fitting EEPROM PCBI/P any 4 digit code 3 x until screen displays ''protected''. Then hold ''volume down'' on TV & ''7'' on remote.14-09-04
MatsuiTVR180Tuning not possible above chan 26Tuner faulty14-09-04
MatsuiTVR180RSt/by onlyEEPROM chip can be the cause - MODKIT37 from Grandata can be used14-09-04
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