Search: 40L2400
Results: 33

40L2400 Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMP TOSHIBA 40L2400
Flashing fast light and power supply-bombN 802 alteredreplace n 802 av 9889Ric
TOSHIBA40L2400
Turns on, then turns offVoltage regulator
SEMP40L2400
Blinking LED -> 12v power supply oscillating less than 6v (between 4v and 5v) hours it didn't even reach 4vPhoto coupler (n966)..I had already replaced the 2 3v3 regulatorsAlextecnico
TOSHIBA40L2400
Led do stand by, apagado.Replacement of the integrated circuit (fr-9889) +5 stand by regulator, reference on the board; n-802.Cláudio Ribeiro. SKE. CENTRAL ELETRÔNICA, Jataí-Go.
SEMP40L2400
Does not turn on, nor does the standbay light upI checked that the vdw904 diode had a short, but it was because of the nw907Replace do ci nw907Nando Cell
TOSHIBA40L2400
Does not turn on, stand by always lit in redDefective nand memoryI measured voltages of 3.3 on the regulators and everything was ok, if the n807 regulator has a voltage of 3.3v, it means that the TV may have a defective N801 or the TV is on, in my case the TV was on and the defect was the memory nandClaudio Eckert
SEMP TOSHIBA40L2400
LED burnout decrease LED currentReplace r765 behind the board near the LED connector with 4r7Replaced never come backEletrônica alternativa mijail
SEMP TOSHIBA40L2400
40L2400
The backlight (LED) does not light upVoltage varying in led bus circuitReplaced v761 zo4g4m for lm117 3.3Paulo Braz - Braz Reparos
SEMP TOSHIBA 23L2400 OU 40L2400
Tv nao liga so stand bay acesoCheck if the n805 is regulating 3.3v, if it is, check if tsound is 3.3v in the n807 because in the stand bay you cannot have this voltage if it is 3.3, directly replace the n801 and the TV works normallyN805 eco 3.3v in stand bay the n 807 can't have the 3.3v if it does, just replace the n 801 and run for the hugbeto eletrotec
TOSHIBA40L2400
Screen with some lines in the backgroundDefective tcon boardOne resolved it with cleaning. Another resolved it by changing the tcon.Elenilson lua nova
SEMP TOSHIBA40L2400
Without any sign of lifeNo 1.15v voltage on the l801 coil even with pin 7 of the n801 with 4v.Replace n801 and the TV works again.Andre crisópolis
SEMP40L2400
TV doesn't turn on, light is off.Main board, check on the second river if the 6v and 50v voltages are present, if so, the converter is defective.Replace dc dc converter n802 ( fr9889 ) smd 8 pins.RNSPTEC
SEMP TOSHIBA40L2400
Turns on, after a minute it turns off, returns to standby.3.3 n805 regulator replacementN805 regulator replacementRodrigo cofferi
SEMP TOSHIBA40L2400
TV turns on normally after a while and turns off.Altered 3.3 regulator.Swap n805Eletrônica Ideal
SEMP TOSHIBA40L2400
When I connected the plug to the electrical network, the standbay LED would light up and go out quickly.An LED bar with a shorted LEDI replaced the LED and the function
SEMP TOSHIBA32L2400 40L2400
Does not turn on, LED is offNo. 07Vdw904 measuring short, but it's the ci nw907's faultAdrian (Chapadão do Céu Goiás)
SEMP TOSHIBASL40L2400
Connects with normal image. a few minutes later the image becomes flickering (duplicated).Possibly faulty LCD. This model has a separate t-con!The solution is paleative and in my case it worked! eliminate some flat cable tracks in the ffc_r connector. using a small piece of tape (durex) measuring approximately 4mm. Note: you have to test which point on the flat cable the tape should be applied to.EvandoViana
TOSHIBA 40L2400
Power supply does not work tsound is no voltage in the secondaryShorted diode at power supply vdw904. replace with 1n4148 smdOscar rj
TOSHIBA 40L2400
It doesn't come out of standby, it just stays on the red LEDN807 3.3v defective, replace this regulatorAs a precaution, also replace the n805 3.3v regulatorCARLOS ALBERTO
PHILCO40L2400
Turns off after about 30 minutes.Voltage regulator n803 (1117-1.5v) which is next to the processor, dropping voltage on the in pin. As it heats up, the voltage drops and heats up the resistors r831 and r832 (both 15r/2w).I turned off the LED chain to prevent it from returning.Eletrônica R-Tec