40L2400 TV Repair: Common Faults and Solutions.
Search: 40L2400
Results: 33
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-bomb | N 802 altered | replace n 802 av 9889 | Ric |
TOSHIBA | 40L2400 | Turns on, then turns off | Voltage regulator | ||
SEMP | 40L2400 | Blinking LED -> 12v power supply oscillating less than 6v (between 4v and 5v) hours it didn't even reach 4v | Photo coupler (n966) | ..I had already replaced the 2 3v3 regulators | Alextecnico |
TOSHIBA | 40L2400 | 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. | |
SEMP | 40L2400 | Does not turn on, nor does the standbay light up | I checked that the vdw904 diode had a short, but it was because of the nw907 | Replace do ci nw907 | Nando Cell |
TOSHIBA | 40L2400 | Does not turn on, stand by always lit in red | Defective nand memory | I 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 nand | Claudio Eckert |
SEMP TOSHIBA | 40L2400 | LED burnout decrease LED current | Replace r765 behind the board near the LED connector with 4r7 | Replaced never come back | Eletrônica alternativa mijail |
SEMP TOSHIBA | 40L2400 40L2400 | The backlight (LED) does not light up | Voltage varying in led bus circuit | Replaced v761 zo4g4m for lm117 3.3 | Paulo Braz - Braz Reparos |
SEMP TOSHIBA | 23L2400 OU 40L2400 | Tv nao liga so stand bay aceso | Check 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 normally | N805 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 hug | beto eletrotec |
TOSHIBA | 40L2400 | Screen with some lines in the background | Defective tcon board | One resolved it with cleaning. Another resolved it by changing the tcon. | Elenilson lua nova |
SEMP TOSHIBA | 40L2400 | Without any sign of life | No 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 |
SEMP | 40L2400 | 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 TOSHIBA | 40L2400 | Turns on, after a minute it turns off, returns to standby. | 3.3 n805 regulator replacement | N805 regulator replacement | Rodrigo cofferi |
SEMP TOSHIBA | 40L2400 | TV turns on normally after a while and turns off. | Altered 3.3 regulator. | Swap n805 | Eletrônica Ideal |
SEMP TOSHIBA | 40L2400 | 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 LED | I replaced the LED and the function | |
SEMP TOSHIBA | 32L2400 40L2400 | Does not turn on, LED is off | No. 07 | Vdw904 measuring short, but it's the ci nw907's fault | Adrian (Chapadão do Céu Goiás) |
SEMP TOSHIBA | SL40L2400 | 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 secondary | Shorted diode at power supply vdw904. replace with 1n4148 smd | Oscar rj | |
TOSHIBA | 40L2400 | It doesn't come out of standby, it just stays on the red LED | N807 3.3v defective, replace this regulator | As a precaution, also replace the n805 3.3v regulator | CARLOS ALBERTO |
PHILCO | 40L2400 | 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 |