Toshiba Repair Tips
Search: toshiba
Results: 5617
Results: 5617
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
TOSHIBA |
TV 2157
|
Does not act contrast | Resistor r226 (3k5) aberto | ||
TOSHIBA |
TV 2999
|
TV with dark band in the shape of a curve on the left and right of the horizontal | Change the transistor qd 01 | multsom | |
TOSHIBA |
TV-2958GFS
|
Red dashed line in the center of the screen | Without an image, only a red horizontal line formed by dashes appears in the center of the screen. cold solder was found in q301 and q830 and the problem was resolved. | littlecarlos | |
TOSHIBA |
2090
U15 |
Gray screen without characters | D 840 zener of 5v6 I curto | I replaced the 5v6 zener that stabilizes the base of the q 840 which in turn feeds the 5 voltages on pin 9 of the micro | |
TOSHIBA |
TV2998ASU
|
Turning off and or sometimes it doesn't turn on | Leaky zener diode d818 | Replacing the zener diode d818, working ok | LIDERELETRONICA2009 |
TOSHIBA |
TV2134
|
No contrast | C329 sold out | Replace the same | DANIEL SOLÂNEA PB |
TOSHIBA |
TV1491KAV
U15 |
Doesn't start | Bu 808 dfi short replace c 419 exhausted | In place of the bu 808 dfi put 2sd2499 works without getting hot | ELETRONICA MAURI JUNIOR |
SEMP TOSHIBA |
1488IM
U15 |
White screen without characters | Broken eeprom | I replaced and re-recorded the eeprom with the 1490 file. Note: the 1490 file I recorded on an eeprom from the 20-inch CCE TV and it worked because you need to have at least 4096 kbs in the eeprom | leiroz |
TOSHIBA |
TV2090
|
Bands on both sides of the screen and a very clear stripe in the middle wanting to double the image, | About the bands on the sides, it was the c884: 220x160volts, without capacity in the +b line of 113 volts and about the list wanting to fold the image in the middle, it was the c306 of 1000x16volts in the vertical circuit, already well inflated. | C884:220x160volts and c306:1000x16volts were replaced and the TV was ok..... | Armando de OLímpia |
TOSHIBA |
TV 2084GAV
U12 |
Does not memorize channels in auto selection, only manual. | Change aft coil | DEBIQUE | |
SEMP TOSHIBA |
U13 U14 U15 U17
U13 U14 U15 U17 |
When the vt heats up it turns off | Replace the vertical outlet 81 86302516 | eletronica total andre | |
SEMP TOSHIBA |
U14
U14 |
The stand-bye LED turns on and then turns off and the power supply turns off | Change the flaybak | eletronica total | |
TOSHIBA |
TV 2998 DS
LEM U10 |
Does not turn on, +b with 75v, overheats q801, trips | D 820 as escape | Lima | |
TOSHIBA |
TV2923
|
When switching on, the stand-by LED lights up when starting, the LED goes out, giving the impression that it works but the power supply drops to zero or 24 V (protects) | The cause is a high 145v supply or the 220k resistor 851 is altered or open. Remembering that the horizontal output sometimes becomes short-circuited. | Replace 220k r851 | WAGGUINHO |
TOSHIBA |
TV2958FS6
LME8/FS6 |
TV doesn't turn on with the + b with 165 volts when it turns on the d 883 gets shorted | Lightning, I turned off all the r g in the primary they were all ok, I turned it on and the said d 883 burned, then it was the r 874 with the test it's good | Replace r874 and the photo coupler, and it returned to normal 130 volts. | LUIZTVSOM |
TOSHIBA |
1484FAV
U11 |
Turns on the stan-by turns on and then goes off and doesn't light up again, only after a long time does it turn on and off again | Check r 876 of 680Ω on pin 1 of the str. | Only replace it if it has been altered or opened. | Eronaldo |
TV TOSHIBA |
1484FAV
U11 |
Turn on the series light, it makes a horrible noise in the power supply transformer, if you don't unplug it, it burns the str, check r876 on pin 1 of the str. | R 876 was open causing noise in the traffic and even the strf5653 burning | Eronaldo | |
TOSHIBA |
2079FMS
U11 |
Tv with normal sound blue screen without characters with lines | Higdg | Dfdf | fabiano |
TOSHIBA |
TV1452 -O
U19 |
When turning on the panel, it reduces and turns off, the LED blinks | C865 disc capacitor with leakage | Domingos da Eletronica | |
TOSHIBA |
TV2090
U14 |
Does not turn on, stand by LED is on. +b low (80v) | C887 | Replace c887 (100μF 35v) for a 470μF 35v one at the +or-20v output on the power supply's secondary. | Manoel (Noca) |