LG TV Repair: Common Faults and Solutions.
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Results: 4833
Results: 4833
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | RP21FB32 | I'm sound | Replace of tda7266s. | julio.sertemaq | |
| LG | 42LB9RTA | Still power supply | R508 de 2r2, zd501 3v6, c506 de 10mfx50v, ic u502, | The ic and diode were shorted and the resistor open | @gepê |
| LG | 37LC4R | No high voltage to the display. | Fuse f700, q706, q707,(ic u701), d705,(c702).(just in case) | Replaces them all with others from another PCI. it was a show. | @gepê |
| LG | 21FU4RL | Doesn't start | Tda8145 | Tda8145 shorted | ELETRONICA MAURI JUNIOR |
| LG | 21FU4RL - L3 W81A | Does not tune the channel | Ic - 02 memory ( atmlu 738 04b 1 ) | Replace the same. | BARRETO CRUZ |
| LG | 21FJ8RL CW81B | TV doesn't work, power supply doesn't start, stand by LED doesn't light up | Zener diode zd851=9v1 with almost short leak! | Replaced solved the problem. | FRANÇA- TV CENTER- MACAIBA-RN |
| LG | 29FS4RLG CW62C | Reversing colors like the person's face turns red, the football field turns blue. And it's not always, tsound are times when it works normally | I resoldered the IC that does everything microna, replaced the IC on the tube board and adjusted the screen | antonio dos santos lima | |
| LG | 29FA35 | Horizontal correction does not work | Fr 402 open and d 404 shorted | Replace or adjust them if necessary | WARLEY CESAR |
| LG | 29FS4RLG | It doesn't work, tsound's no +b, it just knocks the relay | Changing the photo coupler | Resistronic | |
| LG | 29FX5 | Excess width | C407 22k x 630v | EDMUNDO | |
| LG | CCP29C85 | Cushion effect | Cold solder d401 and on q408 it opens fr436 3r3 and not r 436 as friends reported | renato leite | |
| LG | 21FU6TL | No rf signal | R 114 (30k) open | Eletronica Bianca Ipirá BA | |
| LG | 21FS4RLG-LS MC-059C | Does not turn on, nor does the standby LED light up | Q - 402 ( d 2689) | Replace the same | BARRETO CRUZ |
| LG | CP-20B85BRS | LED goes off and comes on again when you press power | The board must be cracked on the track that goes to the e13 pin of the fly back | BABYFACE | |
| LG | 21FS4RLG - LS MC-059C | Turning off by itself. | Replace resistor 421 (390r), for one with 300r. | Replace 390r resistor 421 with a 300r resistor | BARRETO CRUZ |
| LG | 20CD2R | LED doesn't turn on | C 523 470/10v short connected to 19 vcc pin of ic 501 | flad 8 | |
| LG | 21FJ8RL | Does not start making noise 2sc6090 and c 414 burned out, both parts need to be replaced | Burned horizontal transistor 2sc6090 (replacement bu1508dx) and 183j 2000v capacitor c414, if you can't find it, you can use one of 10 and one of 6 in parallel, it works perfectly | Oh and just call and blz | ELETRONICA AUTO TREVO |
| LG | 21FU1RL | Image warping at the top after a few minutes returns to normal. | C312 | Replace c312 | Eletrônica cunha pedrosa |
| LG | 21FU1RL L3 | White screen (washed) with traces and reduced in the four corners, appearing to be a defect in the yoke coil | Just remove the eeprom and turn on the TV without it if the image is perfect and just change it and go for the hug. | samuel leite | |
| LG | 15Q90 | Does not turn on LED lit with normal voltages | Alter r 881 from 150r p/100r | WARLEY CESAR |