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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
Toshiba2805DBDead - sound o/p chip had explodedSound chip & chopper trfmr reqd14-09-04
Toshiba2805DBField - only half a scan & patterningC317 2µ2 63v14-09-04

Toshiba2805DBFIELD COLLAPSE WITH 4-5 FLYBACK LINES ABOVE THE LIIC371 TA8739P Pt No BO38368014-09-04
Toshiba2805DBField fault - reduced heightC372 (2.2mfd 50v), it's mounted on the underside of IC Q371 (TA8739P) located at the front right of the main PCB14-09-04
Toshiba2805DBField probs2µ2 caps & TA chip14-09-04
Toshiba2805DBINT PICTURE DISAPPEARS SCREEN GOES TO BLUE MUTEXTAL IN TUNER PRESCALER DRY14-09-04
Toshiba2805DBMotorboating sound in st/byThe cause is poor earthing of the black anodised heatsink for IC609/IC610.14-09-04
Toshiba2805DBNO PIC , SOUND , REMOTE , BLUE SCREENQV222 ( AV BOARD ) DRY14-09-04
Toshiba2805DBPic cuts out leaving blue screenDry joints tuner (Xtal)14-09-04
Toshiba2805DBService mode entering1) Simultaneously push F button and video input button on RC. 2) Enter code 1048; M will appear in top right hand corner. 3) Hold down F button and press Picture Menu key to select menu item UP; F key and Sound Control Menu key to select item DOWN. 4) Adjust with volume +/- keys. 5) To exit and store adjustments, switch to standby14-09-04
Toshiba2805DBWatermark moves down screen & lack of widthC424 4µ714-09-04
Toshiba2805DBTField distC372 & C317 2µ2 50v red caps near FOP chip14-09-04
Toshiba2805DBTField lin - top stretched bottom crampedC372 connected to pin 15 IC371 replaced, also 22k res pin 15 of IC14-09-04
Toshiba2805DBTFlashing lines across screen when heated (4-5 hrs)Cooling tuner stops the flashing - tuner faulty14-09-04
Toshiba2805DBTINT MOTORBOATING FROM ALL SPEAKERS IN SBY . CHECKMOVE GREEN WIRE FITTED BETWEEN SOCKET M002A PIN C AND M002B PIN C TO FIT BETWEEN M002A PIN C AND ADJACENT TINNED SUOUNDING14-09-04
Toshiba2806XHColour intermitt & int blue sheenDry joint C509 in series with 4.43Mhz Xtal14-09-04
Toshiba2812INT TRIPPINGGROUND PIN 52 OF IC50114-09-04
Toshiba2812Lack of width/tearingC424 4.7uf 100v on the upright DPC board and C301 14-09-04
Toshiba2812Servive Mode Accesspress "F" and the av i/p key ( under the No 7) TOGETHER... then key 1 0 4 8 .. then "F" and green fastext key to move up the menu, "F" and Yellow to move down.. adjust with VOL up/down key14-09-04
Toshiba2812DBBrightness excessive - reducing G2 on loptx gives slightly out of focus picLOPTx faulty14-09-04
Toshiba2812DBDeadCHECK SOUND O.P. IC.14-09-04
Toshiba2812DBDEAD , LOW O.P. FROM P.S. LOOKS LIKE ITS ON S.BYCHECK D830 OPTO. , IC83314-09-04

Toshiba2812DBField scan dist until heatedC317 2µ214-09-04
Toshiba2812DBHoriz band of lines 3" thickC313 220µ 25v14-09-04
Toshiba2812DBin stby after LOPTx and LOPTr 2SC2023 replacedQ843 2SA1321, Q842 2SC223014-09-04
Toshiba2812DBLack of width & line tearingC424 4µ7 100v in EW mod o DPC board fallen in value14-09-04
Toshiba2812DBLine tearing with bands down sidesC424 4µ7 100v under screening can14-09-04
Toshiba2812DBPic shift to left & Q422 on DPC pcb overheatsDry joint D440 also replaced Q845 st/by tr14-09-04
Toshiba2812DBPSU trips one minute after switch one, could be int or randomground pin 52 of IC501, ref Toshiba technical14-09-04
Toshiba2812DBTo enter service mode.Push the "F" & Scart select buttons (red button with arrow though it) together and quickly enter 1048 on remote key pad. Hold the "F" button until "M" appears at Top right corner of screen. Select Function with green fast text button & adjust with Volume Up/Down Buttons Finally store new settings by putting set into standby.14-09-04
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