TV Repair: Common Faults and Solutions.
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Results: 87573
Results: 87573
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SEMP | TV1454(P)SL | On, the image appears dark and flickers, full of retraced lines, when the screen increases, the screen stretches, turns off, lowers the screen, turns on | Leak on the abl pin of the fly back bsc 25-n3218k, I replaced it with the new one, resolved the image was ok | Defect resolved | Andre |
| CCE | TV2918 | Turn on and off | Capacitor c824 de 0,47uf100v fraco | Capacitor replaced | FABIO |
| SONY | KDL40EX405 | Front led flashed 2 times. did not activate secondary power supply. | Q 6201(ink0001ac1) in the power supply. I put another equivalent one in and it started working again. | Eletrônica Líder | |
| SEMP | 32L2400 | When turned on, it always appears and if it turns off, it goes back to standby | 3.3v power supply only gave 2.9v. 3.3v regulator - n805 - 1117-33 | Claudio_Brito_Surubim_PE | |
| SAMSUNG | CL21C650ML | Vertical closed from the middle up. | Tsound la78045 com problem. | Replace and run to cocoa note: it can be replaced with la78040 which is fine. | digital system |
| TOSHIBA | LC4245 | No image, turn on the lights | Fuse f801 open shorted capacitor c915 | cleberlima rs | |
| SAMSUNG | 43H4000AG | Most defects are the power supply or eeprom, if it has voice, the screen flashes and the eeprom, if it flashes, only the LED can go to the power supply that is defective. | Power supply or eeprom | Do power supply or eeprom maintenance | beto2828 |
| PHILCO | PHT777N | Does not turn on or light up | U200 fsq110 | Robson | |
| CEE | HPS2007 | Other cast iron | Ic802 (tl4310 e ic803 | I replaced the 2 it worked | welljackson |
| PHILIPS | FWM663 | Does not turn on, does not come out of stand by | Q8 open emitter | Janilson JD ELETRONICA CAETITÉ-BA | |
| BUSTER | HBTV-29D07HD | No picture or no video with backlight | Short on panel board cd19 or cd2o parallel cp38 and 39, and cp36 and 37 etc... | Replace for another. | JOHN GAMES |
| LG | 42PJ350 | Has audio and no image | Check buffer board or oxidized t-501 | Resolved | JORGE ASSISTENCIA TECNICA |
| SEMP | 1454 SL | Led aceso | Power supply 110v | Memory | lucas silva |
| HBUSTER | HBTV-42L02FD | LED lights up blue and does not go out of standby. | Check the voltage at pin 12 of the l6599 if it is 12v. in my case the ic ucc28061 = ucc28060, did not oscillate and did not increase the primary voltage to 390v so the l6599 did not oscillate. | Check if tsound is a voltage of 12 on pin 12 of l6599, if not check if tsound is a 4v power on signal coming from the main. | joaomvjr |
| PHILIPS | FW-M922 | Normal audio after a few seconds it goes down on its own until it becomes silent | Q7506 with c leak, the base needs to be below 0.60v otherwise it polarizes and takes the collector to 0v making the sound turn off, the microprocessor monitors this line and depending on the leak in the collector makes the processor turn off the power supply or lower the volume until stay mute. | antonio mb This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| SEMP TOSHIBA | TV LED DL3244(A)W | Does not turn on stand by led | IC shorted near micro n801 - fr9889 smd, I changed the TV, it worked | Defect resolved | Andrei |
| TOSHIBA | 2999KMS LEM 7 FS2A | Low sound even at maximum volume | C636 c637 electrolytic capacitor 47uf 25 change and glory to all....dj gilmix | Dj gilmix | |
| TOSHIBA | 2999KMS LEM 7 FS2A | Inoperative, the LED doesn't even light up | C819 electrolytic capacitor 22uf 100 volt | Dj gilmix | |
| PHILIPS | 14PT3336 | Turn on the LED power when you turn on the TV, the LED turns off, the power supply voltage drops | R3445 1r open (-12v supply that powers horizontal oscillator) | º¿º | Alextecnico |
| SAMSUNG | CL29C650 | TV works - with audio without video -av1 -av2 --but displays characters -osd- | Enter service mode --mute --1--8--2--power on | Reset | EMERSON RIBEIRO |