Lg Repair Tips
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Results: 4931
Results: 4931
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
MONITOR LG |
T730SH
|
No image or it is too dark | Measure screen voltage on g2 on the tube plate, replace c320 102/2kv and c341 102/2kv | eletronica fernandes | |
LG |
RP 29CC26
|
Doesn't work | Faulty horizontal output transistor | Place bu2520dx works perfeitly | alpha eletronica |
LG |
TV 29FX5CL
29FX5CL |
Excess width, when you turn on the image it gives excess width | O capacitor c 407 ..aberto ...22nf/400v | Replace do capacitor c 407 22nf/400v | house eletronica |
LG |
CP 14B86
SC023A |
When turned on, everything was perfect. Then it gets dark and sometimes it turns dark | D502 (1s2471) | Without it the TV works normally, but it's better to replace it | Santofofo |
LG |
RP.14CB25A
|
Swinging image | Unstable power supply | Ci. power supply photocoupler direct replace | josias |
LG |
20CD2R
|
It turns on normally and after a few minutes it starts to close the sides and turns off. | Ci 802 photo coupler | Alvanyr |
|
LG |
CP29K30A
|
Sound and; image with very little brightness increasing the screen on the fly (both on TV and AV) | Q509 with leak, killing the rgb signal in the buffer (q506/7/8) | MAIRES | |
LG |
29CC25
|
Burning transistor horizontal output | Fly back replacement | daniel alves da silveira | |
LG |
RP 29FE80
|
When it turns on after 2 minutes it makes a strange noise in the speaker and it turns off and then turns on | Poor contact in the volume and channel board connector | c@rlinhoselectro | |
LG |
STUDIO WORKS55I
|
Turn on the screen is all green, | Verfiicar trimpot adj.+b c want contato | I adjusted it and it resolved | Eronaldo |
LG |
STUDIO WORS77I
|
Turns on and nothing lights up, the voltage on pin 12 of IC 901 keeps oscillating, 150vts is normal. | Changed r914 47k and blz | Eronaldo | |
LG - MONITOR |
T730SH
CM-54A |
This monitor was getting dark and when adjusting the screen it would get a little blurry, but it would soon return to normal brightness, but it would quickly become dark again. | The defect was the ic2476, after changing it the monitor started working normally again. | Moizes | |
LG |
RP20CB20A
|
Vertical closed | Never trust the test | 470r resistor in position r301 | PALUX |
LG |
RP20CB20A
|
Vertical closed | Don't trust the test | Altered 470r resistor pos.r301 | PAULO CESAR |
LG |
RP-20CB20A
|
League,intermittent | Cap.802 short | JACKSSON | |
LG |
RP29CC25
|
Does not turn on (stand by) | Shorted horizontal transistor takes together 3 resistors | Q401 / r864 / r865 / r866 | cesar_unitec |
LG |
CP20B85
|
Image flickering and colors not defined | Fly back 6174v 8004d leaking high voltage, it was replaced and solved the problem. | Jaison | |
LG |
RP-21FD15
|
Inoperative. | The LED lights up, when executing the command the LED turns off, the TV does not oscillate and returns to stand by condition. | Cold welding mainly on the power supply, regulators and vertical circuit. | Elisson Aragão |
LG |
RP20CB62
|
It doesn't turn on. When we try several times, it turns on but is stuck on one channel, not accepting any commands from the CR or the panel. | Change eeprom|(24c04) and program setup parameters | ELETRONICA ESTSUDIER | |
LG |
RP14CB20A
|
Vertical with height deficiency (I noticed that the sides varied when the image changed) | I verified that the power supply +115 the 47/160 capacitor had low capacitance | By changing the vertical capacitor it was normalized | fernandocamarques |