LG TV Repair: Common Faults and Solutions.

Search: LG
Results: 4833

LG Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem	Solution	By
TV LG	RP-29CC90 .....	It just stays on standby and tsound is no 3.3v power supply, it doesn't turn on the TV	Possible parts r840 and r841 all 1r6 open note but before looking at these parts check horizontal output		cunha753
LG	RP-20CB62 SC-023A	Time it turns on, time it doesn't turn on, it keeps turning off by itself	Cold soldering on fb806	Resolder	ELETROCLAUDIO AGUAS BELAS
LG	29FS4RLG	It doesn't work, when plugged in, the LED blinks and goes out, the voltage from +b reaches the collector of the output transistor h, +or - 145v and drops until it reaches zero.	R 837. 5k6, open. It is under the str heatsink.		jceno
LG	CP-20B85	Weapon and disarm	Ci vertical		fauez
LG	FA162Z	No sound comes out and wrong fm frequency	Reprogamar a eeprom	To reprogram eeprom just do this: 1- turn on the device, put it in cd function; You cannot have a disc in the drawer, wait until "no disc" appears on the display, press "stop" on the device panel and the "2" key on the remote control simultaneously for approximately 10s, the display must show "op0, op1, op2, op3 or op4", replace the op's to the following values: op0 66, op1 42, op2 80, op3 00, op4 0c, to replace the values use the directional keys on the remote control, after changing press enter to record, to finish the programming, press "stop" on the panel and "2" on the remote control again; the device will turn off by itself.	eletronica BRITO
LG	21FU4RLG	Short in the horizontal outlet collector line	C417 shorted	Replace the 470pf / 2kv capacitor c417	André Toshiba
LG	21FU4RL MC-059C	Reduced frame with cushion effect	Normal voltages only with the screen drizzling, reduced frame with cushion effect and menu in Japanese, tsound is no point rewriting the eeprom. ic 401 (tda8145) faulty	Replace ic 401 and run into the hug. good luck!	george pontes
LG	RP-20CB20A	Intermittent turning off	Open 240k r420	Just replace	ELETROSONIC
LG	RP21FB32	No image, but osd working normally.	D-502 escapes me	Replaced d-502 and it worked fine.	gmcmaster10
LG	CP 20K70	No audio and video	Ci tb1238bn		Roberto Consertos
LG	RP21FE85	Turns on and after a few minutes goes into stand by	Resistor r420 (240k) open. replace it.		valmirgold
LG	RP 29FE80	Does not turn on stand by turns on and off	Zd402		thejotta
LG	RP20CC20	Image only at the top of the screen and with a cushion effect. It also made noise, I measured the +b it was 91v wsound it was supposed to be 112v	Ch.814 and 834 of 47/160 on the +b line		francisco.s
LG	RP-21FE85G	It only turns off after a few minutes of being on	R420 240k open	Replacement	JEOVAN
LG	29FE8RL	Cushion effect and zoom	R404 open		Macos pinto
LG	29C85	Cushion effect	This defect is usually caused by q 407,408,c 433, l404,r 436	But in this case it was the fr 402 open, it was just a matter of changing and running for the hug.	urbieta
LG	RP21FD15	Fountain beeping, not armed	C417 shorted!!470pf 2kv	Replace the same!!!	orlando
LG	RP 14CB25A	Turning off immediately after turning on	Possible leak in q 403 (bf 421).	Replace it immediately, tsound is no point in measuring	George Pontes
LG	29FX5CL	Cushion effect	R323 27k bobina l401 torrada	It was replaced after the replace it was ok	jose gusmao
LG	CP-20B86A	This TV arrived sound with a dark image without contrasting more with normal characters	Measure diodes on the abl line and see that the zender 502 diode had a small leak	Replace the zender 502 diode	eletronica rosa de saron aju-se[daniel]