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 |
|---|---|---|---|---|---|
| AOC | LC42D1320 | Stand by flashed red when turned on, it flashed and then came back red | C 950 | Thanks for the tip from friends | Osires |
| LG | 42PJ250 | Turns on, then turns off immediately, then doesn't turn on. You have to unplug it and turn it on and off again. | Check the line of resistors 113 to 118, possible poor contact. | Resolder all resistors on this line. | arock |
| SAMSUNG | PL43F4000 | The LED doesn't turn on, it flashes about 3 times and it doesn't light up but | 30nf x 1250v cs809s polyester capacitor with cold soldering on its pins | Solve it, check it on the VC board and add power and that's it | orlando lott |
| PHILIPS | 32PFL3404 | Lamps light up dimly and go out with low voltage on df1 90v the correct 240v | Defective component was the cf1 221k/1.5kv connected in parallel cf1 and df1 | Erons | |
| PHILIPS | 40PFL6605D/78 LC9.3L | TV turns on normally, with audio but no image. backlight lights up normally. | Ci position 7kfe on the main pci damaged. That's why the display lacks 15v power supply. | Replace of ci fds9435a position 7kfe. | rafaelmoraes99 |
| PHILCO | PH21MSS | LED does not turn on, blinking weakly | D818 or d819 feeding vertical | Swap d818 or d819 | beto2828 |
| LENOXX | CA-318 | Turns on, display does not light | Q1 - 2sc8550 | Replace q1 (2sc8550) at the power supply. it can be replaced by the 2sb772, you just have to put the second pin in place of the third, and the third in place of the second. | Fabrício Brackmann |
| LG | 42LM7600 LB22E | Does not turn on, no standby, when pressing power the LED flashes twice but the TV does not turn on | +24v shorted on the main board connector but in fact it is the +24v_amp that is shorted on the main board | C5422 in a cracked short due to so much heat, I replaced it with a 104z ceramic and the power supply started to turn on normally | 2000 |
| SEMP | TV1484 U13 | No contrast, no image in the av | Raa | Replace this disgusting r333, and go to mandela. | digital system |
| PANASONIC | 21FX30L | TV would work for 2 minutes, then it would start skipping channels | Resoldering ci-smd 875 and ci 871 voltage of 3v3 in memory dropped to 2v7 when resoldering solved | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| PHILIPS | 42PFL3507D/78 M9.1 L LA | The stand by light does not come on! | Voltage in the primary power supply of 5.2v with 1.65v when connected to the signal board, when disconnected it returns to normal. | Just changing the c9353 on the 330µf x 16v power supply board, I put 470µf x 16v and run for the hug! | Robusto59 |
| PHILCO | PH23F33D | Sound chirping after a few minutes of switching on | Replace capacitor smd c602 | WORLDWIDE | |
| PHILCO | PHT660N | When turning on display, weak power supply varies | Power supply trafo pos tr1 | Masf | |
| STI | LC3152FDA | Does not turn on, when it turns on the screen flashes and noise at the power supply | Main power supply defect | Replace cf913 and cf 919 of 68μF/450v, and cf920 472/2kv | eletronica fernandes-to |
| PHILIPS | HTD5520X/78 | Inoperative. no standby...grilling | Zd507 changed | Zd507 can be replaced with a 33k/2w resistor | jr_TEC |
| PHILCO | PH32U20DSG | A normal image appeared when turning on, after a few seconds the screen changed into different colors, changing like auto.gen and did not accept any commands | Non-processor reballing | eletronica italia | |
| SEMP | TV2087 MSU11 | Closed vertical with 2 lines in the center | Capacitor c306 1000yf 16v | So replace | jose molina |
| PHILIPS | 21PT5433 | Vertical closed at the bottom | Change c2446 | C2446 voltage 470x16v | jcgiantomaso |
| RAGTECH | SAVE 600 NOBREAK | Does not charge the battery | D2 and d3 altered - their cathode only had 8v when normal is 13v | Replace the 1n4007 diodes with 3a diodes and add a heatsink on q1 | Ederlin |
| PANASONIC | SA-AKX14 | Sound decreasing or skipping | Poor filtration | Replace coil l5903 and capacitors c5948 and c5949 | Fofão eletrônica wr |