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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: 17
Toshiba2539DB, 2939DB, 3339DBContrast changes when playing DVDs with MacrovisionAdd 10k res between pins 54 & 61 of IC501 & R211 from 1k to 4k714-09-04
Toshiba2939FAINT BLUE SCREEN WITH NO MANUAL OR REMOTE FUNCTIONSREPLACE ZP81 AND IC67014-09-04
Toshiba2939INT BLUE SCREENCHANGE TUNER14-09-04
Toshiba2939DBInt loses sync going from text to tv check settinIC501 TA8783n Pt No B038397014-09-04
Toshiba2939DBNicam int dropoutChange RD12 100k for 33k 1/2w, RD11 2k2 with 1k8 1/2w, CD18 22n with 47n14-09-04
Toshiba2939DBNo sound from main spkrs - ok from ext surr sound spkrsTA8218AH IC on main board14-09-04
Toshiba2939DBNo sound/pic - blank rasterICS01 ( TA8211AH ) & ZP82 ( 2Amp fuse ) - speakers been messed with - blown audio14-09-04
Toshiba2939DBPOWER SUPPLY SHUTS DOWN , WORKS OK ON LOW CONTRASTL844 o/c , 8v SUPPLY TO CONSTANT CUENT CIRCUIT . COIL TYPE TEM2011 Pt No. 2310385914-09-04
Toshiba2939DBSTUCK IN STBY HT AT 45v ( COECT IN STBY )ICA01 MICROPROCESSOR U/S14-09-04
Toshiba2939DBSTUCK ON STANDBYREPLACE ZP82 AND SOUND O/P IC50114-09-04

Toshiba2939DB 3327DBDARK BANDS DOWN EACH SIDE OF BRIGHT AREASC201 PIN 58 IC501 ( VIDEO IN ) 10uF 50v14-09-04
Toshiba2939DB C2DField collapseTA8783N jungle IC faulty - had wrong readings on its o/p pins 32/3714-09-04
ToshibaC2D 2939DBfaint blue screen, no remote or manual operation, no LEDsound IC670 TA8218AH (B0377305) s/c, ZP81 5A (23144451) o/c14-09-04
ToshibaC2D 2939DBint loss of line or frame sync and goes to blue screen, corrupted or no teletextreplace Xtal ZF01 27MHz (231253472) under screening can on TEXT PCB14-09-04
ToshibaC2D 2939DBint no pic or sound and goes to blue screenresolder Q103 (IF can)14-09-04
ToshibaC2D 2939DBno sound or pic (frame collapse)no 12V from IC408 due to Q546 2SC1815Y s/c on AV PCB14-09-04
ToshibaC2D 2939DBstuck in stbyZP82 2A o/c, IC501 TA8211AH s/c14-09-04
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