TV Repair: Common Faults and Solutions.
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Results: 87578
Results: 87578
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 21FU6TL | Turns on and off then actuation protection and loaded power supply | Vertical c.i ic301 shorted | Note: you have to remove it to get to the defect because if you turn off the power, the TV still has the same symptom | Medeiros |
| PHILIPS | 14GL1015/78 | Image squeaking a lot | 560k resistor position 3965 change to 100k | Replace the 560k resistor r3965 with a 100k one and the sound is normal. | MARCONES DE ARARIPINA PE. |
| PHILIPS | FWP2000X | Cutting the bass and treble in the bass potentiometer, the current varies from 2.9 to 1.2v that goes to the micro. | Cap c56 e c40 | You can leave them without them. | guinga (sdia goias) |
| PHILIPS | FWP2000X | Volume increasing and decreasing by itself, | Defective capacitors. at the foot of the manual volume potentiometer | Chapter 92 and chapter 93 | guinga (sdia goias) |
| LG | 42PQ30R | The power supply relay keeps hitting twice then turns off and turns on again by hitting twice | Replace d 104(1n4007) e zd 155 ( 15v) | ELETRONICA SILVESTRE | |
| LG | 20CD2R | Does not turn on does not light up stand by | Normal +b power supply does not have 5v | Lack of voltage 5 v replace regulator 78r05 ic806 | Center som |
| PHILCO | PH29T21D | Works and turns off | Keyboard board with shorted keys | omegaomega | |
| RECEPTOR CENTURY | BR2014 | Doesn't start | Diode 4004 | Replace a 4004 diode with a 4007 | marcos santos juazeiro bahia |
| TOSHIBA | 32L2400 | The TV sometimes turns on, sometimes it doesn't, when it turns on the image appears and then turns off. | Regulator 3.3 is regulating only 2.9v | Replacement regulator 3.3 1117 | Eletrônica Possamai |
| MITSUBISHI | TC1410 | Turns on after a few minutes the image starts to shake | Altered power supply 140v normal 114v see resistor r952, 270k | DJ PITUKA | |
| TOSHIBA | 2959 | Annoying buzzing noise in the power supply but it works perfectly | I replaced the c819 I replaced the c448 but it was the 441 coil, the large coil that has a magnet on top, in my case it was loose, I put teck bod glue | Coil replace 441 large coil | RONY DE ITAPORANGA |
| SEMP | TV2934 | Vertical height closed on both sides | R 205 39k changed, it is close to the processor | Replace and run for the hug. | Dj Velk |
| SEMP | TV2157 U18 | Vertical closed | Dz of 10 v aberto power supply of 9 volts dava 15 | Dinho eletrônica | |
| SEMP | TV2157 U18 | Vertical closed | Open power supply diode of 9 gave 15 dz10v | Dinho eletronica | |
| SAMSUNG | CL21M21MQ | Buzzing between the power supply and the flyback, if I open the screen, small lines appear in the middle of the screen. | Field coil | Replace, the Philips 21 inch TV coil can be placed | W.s assistência técnica |
| PHILIPS | 42PFL5332 | Flashing blue LED and won't turn on | Photo coupler circuit | Replace u401 - u402 - d427. all shorted. | Antonello |
| CCE | 2118USP NER2,2 | Dark image | R430 and r 534 that feeds the tl 431 modified with high power supply | luiztvsom | |
| LG | 32LG60UR | With sound but no image, normal backlight. | F of the 1.5v line open and c32 shorted | sergiopax | |
| LG | 21FU4RL-L3 CW81A | Image with low contrast, normal characters | R519 de 9k alterado dando 135k | And just replace and run for the hug | jocimario |
| SAMSUNG | 40B530 | Doesn't work. totally dead. | Q 1820/1821, shorted. fuse fm 803 open. | Replace q1820/21, f803, c1890/1891 | arock |