TV Repair: Common Faults and Solutions.
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Results: 87577
Results: 87577
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| TOSHIBA | TV2159NFS U18 | Dark image. | Resistors 226, and 227. | Mailson | |
| SONY | KDL-40HX755 | TV lights up red LED but doesn't turn on, when the power is turned on the green one comes on and goes back to stand by and flashes 3 times | Fuse 6002 open and capacitor shorted next to a 3r3 coil. Just replace the shorted capacitor. | Ofaztudo - Serra-ES | |
| LG | 47LG60FR | No video signal; antenna, cable, etc... the screen lights up normally (with sprinkles). when injecting signal, it turns off immediately. | One of the probable and quite common causes are the electrolytic capacitors c1105, c1109, c1110, c1118, c1128 and c1141 (100mf/16v) c1133 and c833 (10mf/16v). all on the signal board. | Replace them without measuring. good luck. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | 21FU1RL CW81A | Vertical closed | R- 301 open 18k | Replacement | lucinaldo |
| SHARP | C2053 | No video on tv, normal av | L 206 | Angelo MG | |
| PHILIPS | 14PT218 | Turns on and off in seconds | R3417 .33k next to the flyback | DJ PITUKA | |
| CCE | D40 | It freezes completely when tuning to digital channels, otherwise it works normally... | U5 regulator replacement | Replace the u5 regulator, replace it without measuring... it gives 1.8v but for some reason it freezes... after changing the TV it will operate normally again. | Silviocuritiba |
| PHILIPS | FWT3600X/78 | Turns on normally and has no audio | Q2(svf12n65f) on the power supply PCB burned. | Replace | MB Eletrônica |
| SAMSUNG | CL-29K40MQ | Defect in av1 when connecting the av1 cable it flashes | Zd704 9v1broken and c725 100k shorted | Replace these components | junior |
| PHILIPS | 43PFG5000 | TV turns on LED bar and no image appears | Ceramic capacitor c208 on the board that leads to the screen | alexandre | |
| LG | RAD 114 | Doesn't start | Only led on | José Adilson augusta | |
| PHILCO | PH21MSS | The LED doesn't even light up | D818 shorted | Claudia resonant electronics - mt | Damascena Eletrônica ressonante |
| HBUSTER | HBTV3203-HD | TV turns on normally but without sound | I'm sound | The power supplies were checked and the preamplifier was normal. The tpa3124d2 amplifier integrated circuit was resoldered and the device started working normally again. | Adriano Miranda |
| LG | 47LE5500 | TV turns on, hangs on the LG home screen and doesn't come out of it. | Lock | The BGA processor was resoldered as it will show cold soldering between the BGA terminals in its operation over time. remove the TV board remove the heatsink apply flux under the bga terminals and with a thermal blower at a temperature of 280 to 300 degrees heat until the solder enters its liquid state, being careful not to displace the bga. Once done, wait for the board to cool down and assemble | Adriano Miranda |
| SONY | KDL-32R305B | TV turns on normally but after 10 to 15 minutes it starts to restart. | Ci tpc8129. ci smd which is at the power supply input. | Replace the IC or place a 1n4007 diode from pin 1 to pin 8 of the IC with the anode on pin 1 and the cathode on pin 8 so that the TV stays on. | Gerson Digitecnica |
| CENTURY | SHD7100 | Image flickers on analog channels and a transparent bar passes behind the image | Varicap and main capacitors inflated | Replace pci varicap and inflated caps | samuel leite |
| TOSHIBA | TV2177(A) SL SL-11 SL-11 | LED just turns on and off | R852 de 1k | Replace resistor number r852 of 1k 082 981408610 | Fernando |
| PHILCO | PH21MSS | Heating and burning vertical outlet la78041 | CI voltage is +14 and -14 were tsound for 17v, the fight was bad lol | After changing the la78141, also mercilessly replace the r829 for a 150k one that regulates high voltages, and everything goes back to normal... | Max |
| PHILCO | PH32U20DSGW LED | Red LED but it doesn't turn on | LED burnt out, just replace | Genario | |
| LG | 29FE8RL CW62C | Relay arms and disarms but does not turn on the TV, LED is off. Tsound is only voltage on the primary | Defect ic 802 photo coupler | Ok | JOCIMARIO |