14SB1 TV Repair: Common Faults and Solutions.
Search: 14SB1
Results: 31
Results: 31
14SB1 Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG | 14SB1 | No sound. | Capacitor (C611 of 47uf 25v) of the ripple filter replaced. It is connected to terminal 1 of the CI LA42071 (IC601 - audio) and goes to GND. | Sígmar de Oliveira | |
| LG | 14SB1RB | The TV does not adjust the contrast but you can see the image but with little contrast. | R406 close to 240km flyback | Replace it and you will see the perfect image very clearly. | SW Eletrônica |
| LG | 14SB1RB | Secondary power supply below 90v | Photo-coupler | fabiusmax | |
| LG | 14SB1RB | Tv turns on stadbay and goes off without any voltage on the secondary, tv inoperative | It was the photocoupler, it killed the 5 volts | Replace even after measuring well | Eletrônica Melo-Boa Viagem -Ceará |
| LG | 14SB1RB MC059D | Image shifted to the right, without osd and bar on the left side | 9.1v zd501 zener diode shorted connected to the fbp pin of the ci 501 | After changing the TV ok. | George Pontes |
| LG | 14SB1RB | When pressing the power button, the LED turns on and off immediately without activating anything | As crude as it sounds, it was just the on/off switch. | Just replace the on/off switch. | Tiago C. Neves |
| LG | 14SB1RB | Black lines horizontally (vertical defect) | C314 ceramic capacitor 100nf with broken or open terminal | After changing the TV ok. | George Pontes |
| LG | 14SB1RB | Without synchronization and without color, the image returns after being on for a while, appears without color, when it heats up well, the color arrives | C309 220uf/35v sold out | Capacitor replaced | Cláudio técnico - Ademir - Surubim -PE |
| LG | 14SB1RB | TV only turns on when it gets hot | Check two capacitors c549 and c546 connected to the x502 crystal | izaias | |
| LG | 14SB1RB | Hiss in the sound | Change orange c506 cap, next to varicap, I put a ceramica 103, it worked normally | DJ PITUKA | |
| LG | 14SB1RB | TV turns on with normal video, when inserting video signal via RCA, synchronization is lost | Changed resistor r512. | Changing the resistor and resoldering the board. | Washington ELETROWASH SOLUÇÕES |
| LG | 14SB1 MC059D | Vertical closed at the bottom and top, image trembling and with lines | C 309 220/35v | GDP2 | |
| LG | 14SB1RB | Frame reduced and shaking with buzzing | Diode under the sink of the power supply str position d801 | D 801 does not measure replace | josé santos |
| LG | 14SB1RB | Vertical closed | R311 open, scheme marks 27k. but on the television it is 38k. | Replace r311 of 38k and run for the hug! Just remembering, this vertical outlet works very hot. It's normal. | Carloscte |
| LG | 14SB1RB MC059D | Normal image and sound in the av, but in the rf tsound is only a squeaky image and sound. | A mini capacitor changed position: 506, colors: orange, red, red =0.22uf giving 0.8uf | Capacitor position=506 on the board, replaced | JOCIMARIO OLIVEIRA |
| LG | 14SB1RB | No vertical sync and no OSD | 9v diode shorted on the FBS pin line | Replace it | JP Eletro |
| LG | 14SB1RB | Low power supply 95 volts | Open resistance r844 - 4k7 | NENO DO ERYOM | |
| LG | 14SB1RB | Vertical open just 3 cm in the middle of the screen | D302, 1n4005 open . | I put1n4007 it was great! | Deda Eletrônica |
| LG | 14SB1RB | Left side dark spot | C401 4.7µf for 250v dry | Reginaldo Alves | |
| LG | 14SB1RB | Vertical closed | Resistor r301 15k | 3R |