toshiba Repair Tips




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Results 834
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Toshiba2855DB
int. channel number and NICAM symbol would appear on screenreplace IF module with improved type (23148260)
Toshiba2855DB
Excess heightR323 0R56 gone low in value
TOSHIBA2855DB
CHANNEL NUMBERS AND NICAM ON SCREEN INTREPLACE IF MODULE
Toshiba2855DB
Blank 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 MCES
Toshiba2852DB
no pic, no operation from remote or front controlsif protector ZP82 1A (23144452) o/c, suspect faulty tuner
Toshiba284T8B
WON'T STOP WHEN ON CHANNEL SEARCH CHECK PIN 9 QAO1IF MISSING TRY D172 OR POSSIBLY TUNER
Toshiba284T8B
Field - top stretched, bottom crampedC317 22µ
Toshiba2835DB
Tripping - isolating C421 restores pic with E/W errorE-W IC302 TA8859AP restored normal width with C421 connected
TOSHIBA2835DB
INT BLACK LINES WHEN COLDREPLACE C908 270MFD400V
Toshiba2835DB
Field IC replacementTA8859AP is NLA & TA8859P (official replacement) does not give correct scan, a TA8859CP will work however
Toshiba2835DB
DEAD , 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 S
Toshiba2812DTB
Rolling & black band across screen - when heatedIC501 TA8783N
Toshiba2812DBT
Width narrowC372 2µ2, C424 4µ7 100v on DPC board (rear right)
Toshiba2812DBT
Poor pic geometry & lack of height/widthelectronic screwdriver settings reqd - see database
Toshiba2812DBT
Pic present in st/by (sound muted)Q845 2SC2023 HT sw tr s/c c-e
Toshiba2812DBT
Electronic 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.
Toshiba2812DBT
Dead & squealingLoptx overheating - shorted turns
Toshiba2812DB
To 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.
Toshiba2812DB
PSU trips one minute after switch one, could be int or randomground pin 52 of IC501, ref Toshiba technical
Toshiba2812DB
Pic shift to left & Q422 on DPC pcb overheatsDry joint D440 also replaced Q845 st/by tr