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Lg Repair Tips




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Search: lg
Results: 4875
Make Model Symptom Problem Solution By
LG M2752D
Short at the input killing the 19v C804 shorted near the buzzer José Moura
LG 32LK330
TV totally apagada sem staby It was checked that the capacitors on the secondary power supply were depleted and reverse leakage on the 3.3 volt power supply rectifier diode, and then I checked the short on the main board at 20 volts, it was a capacitor in the sound amplifier circuit, cap. position smd ceramic c528 shorted ok. Galileu Rocha
LG FLATRON 20EN33SS-M
Doesn't start Capacitor c313 (2.2uf 25v) em curto. Removal of the shorted capacitor and turned it back on. TECNOBRU SBC
LG CP-14K42
MC-83C 		Does not recognize the control Crystal x1 8mhz Replace crystal x1 MARCONES DE ARARIPINA-PE
LG CP-14K42
MC-83C 		Image flashing! appearing and disappearing constantly. Crystal x1 defective 8mhz Replace crystal x1 MARCONES DE ARARIPINA-PE
LG CP-14K42
MC-83C 		Does not accept control. and with image flashing in av. Crystal x1 8mhz defective Replace crystal x1 MARCONES DE ARARIPINA-PE
LG 29FU1RS
Does not turn on, the relay hits and the LED lights up. Zd882 with small short MarceloPiranga
LG 50PA4500
Blurred image Correcting the tip because it came out with resistor r508. the 2r2 resistors are r408 and r410 connected to ci 402 Cabeça
LG 50PA4500
Blurred image. If the image is blurry, the CI 402 may be bad, observe the two resistors connected to the CI, R508, R410, all two of 2R2 Cabeça
LG 50PA4500
Stop Shorted fets on the ysus board. value of resistor r577=2k2 Cabeça
LG 21FU6TL
CW81B 		Does not help LED lights up when pressing the button to turn on the ledy turns off and returns to stand-by Q840 Replace the q840 tl431 Sinai Santos
LG 42PQ30R
With the image moved down 1cm Defective t-con board Stiltec
LG L177WSB
LM76D 		Hissing at the power supply when trying to turn it on, and it wouldn't turn on, no screen. Power supply 12v filter capacitors (3x 680uf x 25v) bloated Changing the aforementioned capacitors, I used 820μF x 25v, standardized. Hermes
LG E2041T
LM10E 		When turning on, the LG logo appears but then no signal is detected at the VGA input. Check the 68Ω resistors on the vsync and hsync lines (r605 and r606). After changing them, if any of the colors are blown, also check resistors in parallel with the RGB lines (r600, r603 and r608 of 75Ω) hermes
LG 43LJ5500
Combines with tremendous image. Insulate some tracks of the flat cable. on the defective side. Defect in v-con. JC Eletrônica Cícero
LG CM4640
Does not turn on, only standby Capacitors swollen at the power supply. Replace of caps 933 and 934. JC Eletrônica Cícero
LG 42LD650-SA
By putting in the hdmi cable, the tv recognizes it but the image doesn't have a signal, the hdmi ci gets hot but it's not it Cracked processor bga solder Redo the bga solder Eletrônica SV
LG 42LD650-SA
TV turns on normally, but the image and sound are in slow motion... Defective 54MHz x903 crystal. It is close to the processor and nand memory. Replace the crystal for the same Eletrônica SV
LG 37LG30R
Turns off and won't turn on again R128 Replace r128 from the power supply for a 15k one HC Eletrônica Guaíba
LG M2241A
After changing the ci apm4550 in a few minutes it burns again Check the bulbs, in my case I had to open the panel and one of them had a charred wire and was causing the apm4550 to burn out, I repaired it and tested it, it was ok Before changing the component, always check the bulbs ELETRÔNICA CARLOS