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Lg Repair Tips




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Search: lg
Results: 4878
Make Model Symptom Problem Solution By
LG 42LF20FR
LP91A 		Tsound is normal sound and brightness on the screen but tsound is no image, the lamps light up normally and sometimes they seem to blink. In the measurements taken at the power supply, everything seems ok 5v 12v 20v. On q1003 check the input and output voltages pin1 input 12v and pins 7 and 8 output must have 12 on the output if it is low check the gate voltage pin 2 of q1003 must be around 6v if not check the c1056 smd = 1uf may be leaking, an external 12v power supply can be used for more accurate diagnosis. BRUSKE
LG RP20CA10
Screen shaking (vertical) Elco c-315 ( 0,47mf 63v) Krul
LG CP20K78A
TV had a list at the top Service mode - vertical center and just adjust and blza DELLA FOTOS E CONCERTOS 7988013664
LG 21FU4RL
TV doesn't work LED doesn't light device inoperative Power supply with all outputs very low 9v1 zener diode zd851 short GILSCE
LG CP14B85
Contrast does not work D502 Put a 1n4148 JOSÉ GUSMÃO
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