TV Repair: Common Faults and Solutions.
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Results: 87435
Results: 87435
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PANORAMIC | TVP-1414 HPS2071 | Does not turn on the screen | The TV did not illuminate the screen, raising the screen, I could see a horizontal line on the screen, so I looked for it in that area. If I disconnected pin 7 of the vertical output stv9302=la78040, the entire screen lit up. - I checked and found the 9v supply transistor q802 = bc337-25 open, when changing it I see that the 9v voltage was tsound but the 8v one that is on the same output had only 4v and had nothing to charge it, the problem was the resistance r824 of 3r3Ω was devalued, it had 150Ω and it made the voltage drop in the jungle ci | Pablo | |
| PHILIPS | 21PT9467C/78 | Reddish image | Q502 | Replace the Q502 and the TV will work normally | Sinailson furtado |
| SEMP | LC4241W | It keeps making a tec tec tec tec noise and the green light doesn't even come on. After connecting c 866, the relay turns on, the green light comes on and turns off again, so I changed the photo coupler on the side of the c866 capacitor, it was fine. | C866.q862.q813 | Replace the same | Tec Center |
| PHILIPS | FWM998 E317642 R:1.3 | It doesn't turn on, it just lights up the power button | Check the CD tray belt, if it is loose or broken, it does not recognize the system and it does not turn on | Marcelo | |
| PHILIPS | FWM998 E317642 R:1.3 | No audio comes out of the outputs | R12 open or altered this faulty resistor raises the +b above 41v the tda8954 supports up to 41v above that it goes into protection | Marcelo | |
| PHILCO | PH42M61DSGW | Does not tune channels | Changed 3.3v regulator n105 | wkeletronica (47)99636-9908 | |
| PHILIPS | 14PT3336/78 | Black band at the bottom of the screen | C 2428 of 47uf /16 v | Replace | Eletrônica Mauro Mascarenha - Parazinho Ceara - Tel : (88)981422821 |
| LG | 42PJ350 | Sometimes it turns on and off and sometimes it doesn't even turn on r112 680 k changed | Replace | It could also be one of the others in the same line | antonio nobrega (patos pb) |
| PHILCO | PMS24 | Oven turned off after 2 seconds. I turned off the clock and reset the time. | After changing the board the defect persisted. I deduced that it would be magnetic interference. | Loose magnetron and high voltage diode screws, causing sparking. I just squeezed them and went for a hug. | Alexandre Oliveira |
| PHILIPS | 43PFG5000 | No image with sound and backlight on | I saw some tips sound on the forum and most of them said it was the c216. I looked on the ruler on the right side with the TV lying on the counter and I couldn't find it, I just found the c218 and when I removed it I found the short | To find out if the defect is in the t-con or the tele board, you must first check the voltages on the t-con board, vcc vgh and the others, close to the flat on the right side, if it is zero, remove the cables and take the measurements that will appear because this shorted capacitor was killing the t-con voltage | marco.320 |
| CCE | HPS1497 | The image appears to be only half up and full of risk | What to do | Diney | |
| LENOXX | CA318B | Display off. | Plate burning. defect caused by carbonization, +b transformer pin of the primary transformer. correcting the power supply, everything ok. resolved, by changing the wj4601 -318b/c usb board | Obs. Before changing, it is necessary to check the power supply voltages and carry out factory attention. if everything ok. then replace the usb card. | Giovani Pires Bitencourt |
| LG | CM4430 | No sound in a few seconds triggers protection | Fotoacoplador pc903 | Kel Araújo Assistência Técnica M6 FSA-Bahia | |
| SAMSUNG | CL29Z43MQ | Turns on and off in 5 seconds | You have to be quick to enter service mode, TV on standby, press mute182 and power on the control, TV will turn on, you go to the first option option, item 10 v- save and turn it off. | DJ PITUKA | |
| SAMSUNG | CL21Z43MQ | Turns on and off in 3 seconds | You have to be quick to enter service mode, TV and stanby, press mute182 and power on the control, TV will turn on, you go to the first option option, item 10 v- save and turn it off. | DJ PITUKA | |
| SAMSUNG | PN51H4500AG | LED on, when turned on the VS and VA voltages drop quickly and turn off | My case was on the power supply board. the cs808 20n j1250v | I made the replace and ran for the hug. | XANDARE |
| TOSHIBA | 2134C | It turns on and works for 20 or 30 seconds, then the side image starts to close, turns off and the LED keeps flashing and the relay hits. | R- 609 in the power supply primary, check zd601 q It is a resistance of 220k | Replace and power supply normalized. good luck!!! | EletroClaudio |
| SAMSUNG | UN40F6400AGXZD | Sometimes the backlight turns on and then turns off, giving the impression that it is the LEDs. | The defect was in transistor q9801 on the power supply board | I just replace it with another one, in my case I put a bc848 and it was great | Luiz videotek |
| SAMSUNG | 43F4000 | Doesn't work. | After checking the "ysus" board, I found the following damaged components: q5000 (rjp63k), c5075 (102x1kv), d 5057(sf 10a400), q5014(fg05536), q5010(5n60) q5021(5n60) | Replace damaged components. | arock |
| SAMSUNG | UN46FH5003 | After changing the main board, putting the 39's of the same model, it worked but it came with the image upside down | The solution is to enter service mode, with the TV on standby, using the control press the keys: mute, 1,8,2, power, in a few seconds the service menu will appear, then go to options and then type, just change the configuration to (46a6af0d) then turn off the TV and turn it on again, done. | ELETRÔNICA CARLOS |