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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
Toshiba2812DBTDead & squealingLoptx overheating - shorted turns14-09-04
Toshiba2812DBTElectronic screwdriver settingsPress "F" & "Vid I/P" together to enter menu then selected code '1048'. After few secs "M" appears. Hold "F" & "Pic Menu" buttons to scrollup menu. "F" & "Sound cont" to scroll down. "Vol+/-" buttons adj settings. Use St/by button to store at end.14-09-04

Toshiba2812DBTPic present in st/by (sound muted)Q845 2SC2023 HT sw tr s/c c-e14-09-04
Toshiba2812DBTPoor pic geometry & lack of height/widthelectronic screwdriver settings reqd - see database14-09-04
Toshiba2812DBTWidth narrowC372 2µ2, C424 4µ7 100v on DPC board (rear right)14-09-04
Toshiba2812DTBRolling & black band across screen - when heatedIC501 TA8783N14-09-04
Toshiba2835DBDEAD , POWER SUPP IN OVERVOLTS MODE , 11v HT INSTEADCHECK IC670 , D670 - 675. TA8218AH ( VOLTS AT PIN 9 OF IC801 VARY , 5-8v. OP VOLTAGE CONTROL LOOP INOPERATIVE AS IC826 HAS NO S14-09-04
Toshiba2835DBField IC replacementTA8859AP is NLA & TA8859P (official replacement) does not give correct scan, a TA8859CP will work however14-09-04
TOSHIBA2835DBINT BLACK LINES WHEN COLDREPLACE C908 270MFD400V14-09-04
Toshiba2835DBTripping - isolating C421 restores pic with E/W errorE-W IC302 TA8859AP restored normal width with C421 connected14-09-04
Toshiba284T8BField - top stretched, bottom crampedC317 22µ14-09-04
Toshiba284T8BWON'T STOP WHEN ON CHANNEL SEARCH CHECK PIN 9 QAO1IF MISSING TRY D172 OR POSSIBLY TUNER14-09-04
Toshiba2852DBno pic, no operation from remote or front controlsif protector ZP82 1A (23144452) o/c, suspect faulty tuner14-09-04
Toshiba2855DBBlank raster, no sound or osdNo 5v as SOC1000 (1Amp) o/c. When replaced ok via scart but not via aerial - tuner faulty - can be repaired by MCES14-09-04
TOSHIBA2855DBCHANNEL NUMBERS AND NICAM ON SCREEN INTREPLACE IF MODULE14-09-04
Toshiba2855DBExcess heightR323 0R56 gone low in value14-09-04
Toshiba2855DBint. channel number and NICAM symbol would appear on screenreplace IF module with improved type (23148260)14-09-04
Toshiba2855DBno sound or vision, just an overscanned blank raster with no OSD.Replace fuselink ZP82 and tuner. A new tuner was available from WVE for a reasonable ukp25 + vat.14-09-04
Toshiba2857DBBlue screen - no sound - ok on scartTuner faulty14-09-04
Toshiba2857DBNO COLOUR AT SWITCH ONREPLACE X50314-09-04
Toshiba2857DBTrippingD609 5v6 zener s/c & STRS670914-09-04
Toshiba285T5BZStuck in standby.IC801 TDA4601 + change R818 to 15k , C845 ( 100uf )14-09-04

Toshiba285T8Blank raster, no sound, no leds or r/c opSub psu non operation due to C832 330pf 2kv pinhole (snubber)14-09-04
Toshiba285T8BDead - 140v HT low due to 18R s/c in LOP stageC464 680pf 2Kv across LOP transitor 14-09-04
Toshiba285T8BFRAME COLLAPSEREPLACE C313, IC303, R327 AND D30514-09-04
Toshiba285T8Bframe collapseIC303 TDA8170, C313 220uF 35V, R327 2R7 1W (24557279), also check D305 BYD33J14-09-04
Toshiba285T8BLOUD WHINE IN NICAM-FM OKQ604 ( TD6710AN ) DAC IC14-09-04
Toshiba285T8BNo sound/pic - blank raster when A1s advancedNo 5v to micro from 2nd chopper cct - C832 330pf 2kv in snubber burnt14-09-04
Toshiba285T8BNo sound/vis or osdHT ok but 5/12v audio supplies low - C832 leaky in mains pri cct14-09-04
Toshiba285T8BNo start upC842 330µ 25v in secondary psu low (provides 5v for micro)14-09-04
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