LG TV Repair: Common Faults and Solutions.
Search: LG
Results: 4834
Results: 4834
LG Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | CP20B84 | Dark stripes over the image | C540 (4.7mf x 250v) | ||
| LG | CB20F84SX CHASSIS BEKO 12.4 | Does not tune in to any station | Replace the tuner. | ||
| LG | CB20F84SX CHASSIS BEKO 12.4 | Does not turn on. standby LED is on. | Replace r623 0.1Ω interrupted. | ||
| LG | |||||
| LG | CF-28A56T CH PC-73A | No horizontal deflection (vertical stroke) | Cold welds on the deflector plug (on the deflector itself) | ||
| LG | CB21T20X | Negative image (film type) | Replace c539 | ||
| LG | CHASSI BEKO 12.7 | Power power supply. doesn't always start | C610 10nf (smd) with slight leakage | ||
| LG | CB-14F80 -BEKO 12.1 | Image folded from the middle upwards and shaky. sometimes, momentarily, it was ok | Diode d502 1n4001 defective despite measuring well. | ||
| LG | CF-25C28T, CHASSIS PC58A | To avoid burning ic351 tda8350q too often. | Subst. fr351 1r 1w >> 3r3 2w, e fr359 10r 1/2w >> 47r 1w | ||
| LG | 45I | Yellowish image in the center | 1uf 160v c345 on kinescope board | ||
| LG | 710E | Without one of the colors | Lama 476 tb | ||
| LG | CP20B8S | Osd flickering | Bad new fly. | ||
| LG | 9311 | The color system is in PAL-G, I need to change it to NTSC | To change, hold the CR pause key for a few seconds. | ||
| LG | CP-20J52A | TV with drizzle. does not tune in to any channel. voltages on the normal selector | D22 on pin 57 of ic501 shorted. | ||
| LG | LM-U1350A | No audio | Diodo d941 | ||
| LG | 14CB25A | Vertical closed | Check electrolytics d301 and d302, replace c303 | ||
| LG | RP-21FE85G | I'm sound | Before replacing components in the Audio line, check TV parameters. enter service mode, change snd mode to (2real st) | ||
| LG | 21FE85 MC-059A | Turning off | Check r423 - if the value is 3k or 1k, place a 12k resistor | ||
| LG | 44M STUDIOWORKS CHASSIS 32 | When starting the computer, the boot and extended memory sign appears normally, but when starting Windows, the screen is white without any image. | The c.i. 202 ( gvc 08001 ) was defective. After a long search, I finally found a used one. After replacement, the monitor started working normally again. | ||
| LG | 440SI STUDIOWORKS | Sudden horizontal oscillations on the screen. Sometimes it almost completely loses its shine, then it suddenly becomes good. shatters the sides of the monitor. | Pin 02 of the fly back is +b, and must be fixed at 65 vdc. if it is varying, it could be the d701 or q704. The most likely is the 10k/1kv ceramic capacitor, it is right in front of the fly back 6174z-1003d. Note: in this defect, the technician usually changes the s,h. and the fly-back..., but without success. They are not the villains. Good luck my comrades. carlos |