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 | TV2134 (C)SL | Turns on and off by itself if you open the screen it appears vertically closed and turns off | D306 and sor switches and goes for the hug | God be praised | Rafael |
| LG | 21FU4RLG | Doesn't start, power supply ticking, ticking, ticking, ticking, ticking, ...ticking. | Ic401 tda8145 shorted and d406, d407 ru4d and c420 1nfx250v | Replace d406, d407, c420, and ic841. | MARCONES DE ARARIPINA PE. |
| PHILCO | PH42LED A2 | The stanby led comes on, it turns on but nothing appears, after testing the power supply and the back-light, putting 3.3v on the pins - pon, pdim, blon, the screen has to light up, then you remove the lvds cable from the tcon, then the screen will light up indicating a defect, | C201 or c202 on t-con.- remove and go for the hug | C201 or c202 on t-con.- remove and go for the hug | |
| PANASONIC | TC14A12 | It started turning off after being on for a while, and then stopped turning on altogether. | D511 ma4108, zener diode (x-ray prot circuit) and 10.8v 1/2 w open. | Replaced the diode and it worked normally again, it is close to the fly back on the back of the board. | José Dias |
| PHILCO | TPF-2922 | Dark image | Dz701 | Replace | eletronica bianca ipira-ba |
| AOC | LE42H158I | Sometimes only one of the bars would light up, sometimes they would go out. | Ic8103 (pf7900s) placa inverter | Replacement | Flavio Informática |
| PHILIPS | 20PT3336 | Turns on, the image appears and then turns off. | 47 by 250v electrolytic capacitor (c2564) | Replace. | Ferraz |
| LG | 21FJ6RB MC059A | Low power supply (70v) reduced frame. dark image | E844 (4k7) open | Replacement | Richardo Silva |
| PHILCO | PH29MSS | Image pad and colorful stripes on and off | D811 with leaks changes and goes for the hug | Replace for 1n4007 or the original fr104 | Rafael |
| SAMSUNG | UN32F4200 | No image. t-con fuse open. | Shorted smd capacitors cd7 and cd8 | Santley01 | |
| SAMSUNG | UN32EH4000 | With sound without picture, backlitgh access | Display ruim | On ic2 (sm4151) tsound was no 12v. the track was open at the foot of the r38 0r | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| PHILIPS | 29PT4643 | Burns transistor 7406 | Replace 6410 diode | Replace 6410 diode | jcgiantomaso |
| LG | 47LN5400 | The stand by LED lights up but does not turn on | Ic601 - switching the power supply on the bench, only the 5v voltage appears, the 12 and 24v voltages are not generated. | DNovelli | |
| PHILCO | PH21M2 | Very dark image and black menu characters | Bad transistors v921 v931 v911 brc3688 kinescope board | Replace the transistors on the kinescope board v921 v931 v911 brc3688 | Duliz180 |
| SAMSUNG | PL51E490 | Sometimes it works, sometimes it doesn't, LED blinks | C809s (33uj) blue, with cold soldering, on the power supply board | Eletrônica Cecé. Brumadinho MG | |
| PHILIPS | FWM653/55 | Only the power LED lights up | Coil pos. l554 on the CD board | Eletronicaaeb | |
| PANASONIC | TC-14RM10L | In AV it works normally in RF it didn't tune at all | Varicap | Replace it with another and run to another | Antonio Carlos (Eletrônica Renascer) |
| PHILIPS | 21PT8467/78 | In the first few seconds it would turn on with colored stripes at the top of the screen, then the blue tube would open and finally it would turn off, setting up protection. | C2465 electrolytic capacitor of 10uf by 250v (replace with a 47uf otherwise it won't work. | Edfesom | |
| PHILCO | TP2054 TP2053 TP1453 | TV has sound, OSD(characters, but the screen is dark "black". | It can be abl or vertical line. | In my case I replaced d602 near the vertical output, tip from elecreplacempos. | eletronica fernandes - to |
| CCE | TV 2118 USP | Vertical closed | Ci vertical stv 8172a | Replace without forehead | CESAR |