LG TV Repair: Common Faults and Solutions.


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Search: LG
Results: 4834

LG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LGM275WV
After some time on, the sound disappears2 capacitorsI replaced 2 47/16v capacitors c712 and c713 I put 47/25vXANDARE
LG32LK330
Does not tune in to any channel.Ic 1703RBeletrônica
LG43UK6510PSF
No imageShorted capacitor on the vcon board! In my case, I measured practically all of them but the defect was on the left plate! c1105 shorted! reminding everyone that it is not a rule. Tsound will be cases wsound the display itself will be shorted! absRafael Sena
LG 49LB5500
In standby, press power, it appears that the board is working but it does not generate 12v for the tcon nor does it obey commandsFet q406 just above the leaky flashAriel Santos
LG49LB5500
In standby, press power, it appears that the board is working but it does not generate 12v for the tcon nor does it obey commandsFet q406 just above the leaky flashAriel Santos
LG32LK330
Flashing red stand by does not turn onReplace capacitors c401 and c402Lucasvisita
LG32LG60UR
P81A		When turning on the TV, it stays on for a few seconds and turns off by itself, making a small noise from the speakers and turns on by itself again.Defect in the 1.2v regulator (ic1103 - as1117), when placing a jumper on the d1103 diode (mbrs190t3g) the TV works, but the cause is a failure in the regulatorIc1103 regulator replacementCDS_DIAS / LED TECH
LG50PK350
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG60PK540
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG50PK540
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG50PK350
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG60PK280
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG60PK250
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG50PK250
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG50PK250
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG50PJ340
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG42PJ340
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG42PJ250
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG60PK550
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito
LG50PK550
Turns it on, hits the relay then turns it offShorted power supply boardDiodes: d801, d802 and d304 open, resistors r101 and r998 open, zener diode zd 701 shorted, capacitors 360 and 361 with leakage, 2 transistors fchs20a12 (ey552 and ey553), 1 transistors fcf10d60- ey512 shortedGbrito