LG TV Repair: Common Faults and Solutions.
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Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 29FX5CL | Turns on with the image closing on the sides and turns off obs power supply +b varying 110v to 90 | Tl431 | EletronicaArni L.Leal-sc | |
| LG | 32LG80FR | Standby LED flashes blue 16 times, turns on without image | Capacitor c-270, open on the t-com board | After changing the TV, the image returned. | EDS-LELETRONICA |
| LG | 39LN5400 | Control functions ok, bus lights up but no image. | Releasing a flat from the tcon, the TV showed half of the perfect image, I thought it was a shorted display, but I found cap c18 on the v-con shorted. Just changed it and it was perfect. | Kezio | |
| LG | 42LB5800 | Turns on appears shortly after turning off backlight, only the sound remains, if you increase backlight and turn off energy saving it works normally for a while. | Q803 2nf20l with leak | Replace | Hndrs |
| LG | 55UH6150 | Dark image (not a LED defect) | Faulty LED circuit in the power supply. Tsound are many complaints about this defect about this model on the internet. Don't just pay attention to the damaged component. | Replace the ci ic601 (map3516) and the fets q201 and q202 (5n40). preventively, I replaced the 2 electrolytic capacitors (10μF x 350v) and 2 polypropylene capacitors (470nf x 400v) | PIXEL ASSIST |
| LG | CM4350 | Does not turn on, inoperative, no voltage 5.6v | Power supply mosfet transistor shorted. | Replace with an 08n80c3 or equivalent. After the replace, the sound worked again. | Tiago C. Neves |
| LG | 28MT48S | Doesn't start | Shorted wifi card | I removed the connector and turned on the TV | Tec Center |
| LG | 22MA33N-PS | The image keeps flashing on LG and it doesn't turn on. | External power supply with open filter capacitor. | eletrofepar | |
| LG | CM8350 | One of the channels goes silent, without sound, and after a while, it goes into protection, sometimes. | Affected output driver failure | Leakage in the capacitor connected to the driver's CSD pin causes the voltage, which should be 5 volts, to drop, disabling the output switching. | Davi.sls |
| LG | CM8350 | Display lights up normally, but tsound is no sound on any of the channels. | One of the optical barriers had a broken pin from so much oxidation. | All I had to do was replace the barrier and the sound returned to normal. | 2000 |
| LG | 21FU4RL CW81A | Burning the c6090 horizontal output | Replace c414 18n and due to the large number of counterfeit components, replace the c6090 with a c4429 position q402., | Replaces the c6090 with a c4429. It has to be original! | MARCONES DE ARARIPINA-PE |
| LG | 55LA6210 | The LED flashes 1 time and does not turn on | D603 in pcf power supply | Divino Moura | |
| LG | 32CS3400 | Turns on and backlight does not come on | 24v power supply missing | Replace ic101, sc1g311 | laercio |
| LG | 42LB9RTA 42LB9RTA | No audio | R484 and r485 sda and scl line. 100r | Replace | Alex Semitron |
| LG | 42LB9RTA 42LB9RTA | No audio | R484 and r485 sda and scl line. | Alex Semitron | |
| LG | 42LD420 | It turns off stand-by but it doesn't turn on and it doesn't turn on the backlight either. | Main board killing the 3.3v. | Ceramic capacitor c471 shorted on the main board. (near the video flats) | Persio(TVCompany) |
| LG | 50PN4500 | With sound without image ysus short | Burns out because of capacitors c653, c654, c681, c682, c686, c687, c673, c674, change them and q401 and q402 (you can use the FGD4536), change q508 (use a 5n50), change q403 and 404 30f126 (you can 30f124). | Eletrônica Hunters | |
| LG | 32LJ590U 715G7801-P01 | Power supply inoperative fuse c9118/fb9101 open | Check replace f9901, fb9101, q9101, d9107, d9110, r9109, u9101, c9118, zd9108 | André | |
| LG | 50PB560B EAY63168602 | TV turns on looks like the logo with a weak image or full of red dots then goes into protection | Defect is a double diode showing low anode resistance for catode 150 to 190 homos, the correct one is that it presents a resistance of 390 homos upwards as an fcf10a40 was used instead and resolved the defect or use an equivalent in the place, this diode is in the el40 position on the board. power supply wsound it feeds tension from you. | Bruno trindade | |
| LG | TC- L32C10 B | Turns on and off makes noise from speakers LED flashes 7x | Curto na t con. barter to t. with | Luciano (Amplitec) |