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Lg Repair Tips




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Search: lg
Results: 4876
Make Model Symptom Problem Solution By
LG 32LH20R
Lamps only blinked Ci mosfet double open channel did not send the 12v from tecom Replace ci mosfet position 1003 on the motherboard near the connector that comes from the power supply or make a jumper from pin 1 straight to 8 EDSON SOARES
LG MCV904
Turns on and locks panel = (welcome) Fr974 and fr975 of 0.2r PardalX
LG 42LN5700
Stand by led blinks and tv doesn't turn on The 3.5v was missing = bad optical coupler (ic102), 24v voltage ok, the 12v voltage was missing = bad ic201 (nr891d), in this ci, 24v comes in at pin 2 and 12v comes out at pin 3, (this ci is what generates the 12v voltage, x 1a Replace it and the TV is ok. Maurilio
LG 42LN5700
Stand by led blinks and tv doesn't turn on The 3.5v was missing = bad optical coupler (ic102), 24v voltage ok, the 12v voltage was missing = bad ic201 (nr891d), in this ci, 24v comes in at pin 2 and 12v comes out at pin 3, (this ci is what generates the 12v voltage, x 1a Replace it and the TV is ok. Maurilio
LG CM4340
Turns on without sound and then goes into s-protect Mosfet q901 e diodo zener zd912 20v ELETRÔNICA MUNIZ BAHIA
LG 42PJ350
Turns on without image vs voltage is ok warming up the zsus board +15v testosterone 18v ysus board with 10 v Smd capacitors c741 c742 c743 shorted ysus board paulo rps
LG 50PA4500
Grainy image after changing the ysus repair kit Open resistor and shorted uf4004 diodes R576 open 330r, d561 shorted Eduardo tomas silva
LG 29FU6LT
Cushion effect R317 changed, exact value 24k, place 2 12k resistors in series Replace VelkDj
LG 29MN33D
LA31R 		TV turns on but the backlight screen does not light up C1122 1ufx25v changed Replace it with a good one EK Eletrônica
LG 60LA6200
Stand by led blinks and tv doesn't turn on Short in capacitor c471 on motherboard Replace Maurilio
LG 20CD2R
Alloy with closed vertical Replace resistor r313, 47k DJ PITUKA
LG 49LB5500
Does not turn on, stays on standby blinking C-5621 shorted Replace of the same MARCELIO DREISSIG
LG 32LB9RTA
Stand by turns green but does not turn on. U600 )502 and r213 defective. Replace components u600, u502 and r213 on the power supply board. Antony Garcez
LG 50PW350B
Image all smudged, colors completely altered TV with a lot of dust inside. After a good cleaning, it was found that a 2.2Ω precision resistor was open. Check all the 2.2 resistors and run to the hug. PL Eletrônica
LG 43LH5150
TV doesn't turn on so it stays on standby Shorted capacitors or led panel ci drive Check if tsound is a short in the capacitors c520 c523 c524 take it out for testing, replace the ic-500 if the short continues when removing the capacitors. I_silva
LG 29FU6TL
CW62D 		Doesn't start. it just makes noise trying to set it up. Curto no tsh (transistor do horizontal, 2sc6090). capacitor de largura c463 (18k). Eletrônica R-Tec
LG CM4430-AU
It would turn on without sound in the boxes, then it would set up protection Ic951 tl431 exploded I replaced it, everything worked normally. Jairo Matos
LG RP-14CB25A
MC-059A 		Lines closing the top 15k resistor 301 was changed to 20k Just replace it and run for the hug! Izaquiel
LG 42LE8500
TV turns on without HDMI image, AV doesn't work, image out of sync Do a reflow on the main PCI, returning the image just by reballing the processor Non-processor reballing eletronica rodrigues
LG 32LH20R 42LH20R LH20
Backlight turns on, flashes after a few seconds and goes off and only the sound remains Arming protection circuit Remove resistor r1042 from the main, close to the power supply connector FILIPE FURTADO