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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: 659
Toshiba285T8BSt/by onlyTDA4601 Siemans14-09-04
Toshiba285T8BTUNING DRIFTINGCA30/31/35 DISC CERAMICS BY MICRO.14-09-04

Toshiba285T8BVery int Stuck in StBy Nicam LED glowPSU in over current mode with H.T. less than 20V Change C845 from ( 22uF ) to ( 100uF ) 50V14-09-04
Toshiba285T8BWeak contrastCheck connections to CRT heaters14-09-04
Toshiba285T8BWILL NOT START IF R818 20k IS REPLACED WITH 15k SEFIT MOD KIT Pt No 2330511414-09-04
Toshiba285T8BUTripping with popping noise from spkrsC842 330u 25v & 22u 25v cap across DF80 on print side14-09-04
Toshiba285T8BZLOUD SCREECH FROM SPEAKERS FOR 1 SEC THEN NOTHINGC638 1000mfd 25v NEAR AUDIO OP. CHIP.14-09-04
Toshiba2873DBWidth lacking & E-W faultyQ302 TA8859 chip - note suffix when replacing14-09-04
Toshiba2873DB C7SRNo sound - corrupt eeprom set system to 5.5MhzFit new eeprom from Tosh aft reprog it14-09-04
Toshiba2877 C7SSDead - HT low at 60vQ801 STRS6709 - also replace D809, D813, D80414-09-04
Toshiba2877DBblank picture, no OSD or TEXT, sound Okno sandcastle pulse on pin1 IC501TB1230N, no frame blanking. Replace Q301 TA8427K (B0378560)14-09-04
Toshiba2877DBblank raster, no OSD or textclock/data lines pulled down by faulty tuner (2332196)14-09-04
Toshiba2877DBno sound off air, ok via SCARTmicro not receiving sync from AV switching IC and muting audio from IF module. Replace QV01 TA1218N on rear AV PCB14-09-04
Toshiba2877DBslight frame bounce, more noticeable on textC320 100uF 35V14-09-04
Toshiba2877DBstriations on LHSR441 1k 1W o/c14-09-04
Toshiba2877DB C7SSReverts to st/by aft init EHT with G LED flashingFrame IC Q301 TA8427K s/c on pin 2 (scan output).14-09-04
Toshiba289T6BBRIGHTNESS FLICKER TOP OF SCREENCHANGE C205 TO 0.027mfd14-09-04
Toshiba289X9Mnon lin fieldC317 2µ2 near frame chip & C307 1µ near jungle chip14-09-04
Toshiba28MW7DBservice mode/ design modepress MUTE on R/C once, then press and hold again while pressing MENU on front panel. 'S' appears on top right corner. To switch to design mode hold CALL on R/C while pressing MENU on TV, 'S' on screen should turn to 'D'.14-09-04
Toshiba28MW7DBwhen a dark object appears on bright background, overal picture brightness increases, then settles to normalwrong option codes. Enter design mode and change options BS2, 2BS2, 3BS2, WBS2, NBS2 from 0BH to 07H14-09-04
Toshiba28MW7DB, 32MW7DBPic shift to right 3 -4", can be correected in serv mode but OSD still shiftedC4403 pin 4 IC Q420 dry joint14-09-04
Toshiba28MW7DB, 32MW7DBVarious - freeze frame of noise, line speed off, no sync & slow motion picLow ampl VD pulse from IC501 pin 31 (0.9v instead of 5v p-p) - chip faulty14-09-04

Toshiba28MW7DB/G 32MW7DB/GFreeze frame of noise/no sync/slo-mo pic etcVD pulse o/p pin 31 IC501 low amplitude (0.9v p-p instead of 5v p-p). IC501 Q501 part no B0385990 faulty14-09-04
Toshiba28N03BField collapseNo field dr o/p from VCD chip Q501TB1251N pt no B0102103; also reqs mode - fit 1k res in place of G330 link14-09-04
Toshiba28N03BInt sw off or R/C functs happening on their ownNoise on IR I/p line - Fit vers 1.14 of SAA5563PS pt no 2300061614-09-04
Toshiba28N03BService mode enteringPress mute button once on R/C. Press mute button & at the same time press menu button on TV .This brings up the option codes which can be scrolled through with P+ / P- buttons, alter any codes with the volume + / volume - buttons.14-09-04
Toshiba28N03BSnowy raster onlyOption mode had changed - returned to 20h14-09-04
Toshiba28N23B 11AK37Dead - no o/p from psuIC808 had no drive o/p pin 5 - chip faulty - comes with replacement R801 changed from 1k to 4k7 (kit pt no V30011968)14-09-04
Toshiba28N23B 11AK37Fback lines at top of picC604 100µ 63v & IC601 FOP chip STV930614-09-04
Toshiba28w23I have a toshiba 28w23 tv 11ak37 chassis picture is stretched and curved in at the sides e/w. picture mode button only changes the vertical height now not the horizontal. picturer stays stretched and curved. what could the problem be i have checked for drPresuming you have the manual for this set I'd suggest checking the e/w correction circuit which probably comprises of a transistor and a coil.another possibility is the eeprom has become corrupted causing the geometry settings to go out.11-07-05
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