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Results: 88062
Results: 88062
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
SAMSUNG |
SYNCMASTER 540N
|
Turns on but no image appears, just standby light on | Shorted smd capacitor c614 | Changing the capacitor, remove it from the board and turn it on, if the image appears, replace it with another equivalent. | MaskarenzzO |
LG |
CJ87
|
Device without sound but turns on normally, but the amplifier power supply switches on and off. | It was the photo coupler from the power supply itself open, ok. | Galileu Rocha | |
CCE |
D4201
GT 309PX |
Does not tune channels. | Regulator u14 open. 1v voltage does not reach the acg or c to g pin. | O14 - S1117Bh - 2.5 | Gerivaldo |
PHILCO |
PH42B25DG
|
Burning the LEDs reduces the current | Https://youtu.be/ppw61tzzbay | Https://youtu.be/ppw61tzzbay | Eliel Batista |
TCL |
L40S4900FS
|
Restarting | Update software | It was disconnecting when using YouTube and Netflix. follow steps to update the system using the tcl guide | Axcell assistência |
ELECTROLUX |
MEX55
|
Does not activate the start button | Disconnect pin 9 from the display (internal short on the display) | reginaldo moronte,eletronica junior caldas novas | |
TOSHIBA |
40AL800(A)
|
The power comes with a green stand by LED, it does not perform any function. | Cold solder on the TS2 transformer of the power supply board | telesom | |
TCL |
L32S4900S
|
Led current deduction | Modify resistor that is between gnd and pin 6 of the ub801, thus reducing it from 81.1v to 76.6v | Remove the 270k resistor and install a 360k one, | Paial.eletros |
SEMP TOSHIBA |
LC4046FDA
919974G008AA008373 |
Turns on stand by normally. When activating power, the TV turns on, just blinks and the image disappears, but the sound remains normal | Testing all the device's boards and everything was normal. I opened the backlight and only one bulb was working normally | Replace all the light bulbs and run to the hug | Eletrotécnica São Rafael |
LG |
42LG30R
|
Turns on after 40 minutes in hot weather, it turns off, only when it cools down it works ok, diode d1103 is weak. Change caps c875, c879, c1110, c1118, c1128.8 | By quickly disconnecting the capacitors, the diode took a while to turn off only in hot weather. | guinga sdia goias | |
SONY |
KDL40R485A
|
Red LED when you press power the red LED goes off and that's it, | Defect in the power supply, low capacitance, fix the power supply or replace it for another original one | Eletrônica Moura trindade go | |
PHILCO |
PTV43E60SN LED
|
Don't care! voltages fluctuating | Shorted dp10 diode. I put it in and it burned again. Then I placed two diodes in parallel that I took from a Samsung TV power supply. it worked fine. good luck to everyone! | Eletrônica Cecé. Brumadinho MG | |
PANASONIC |
TC-32D400BE
|
When turned on, it flashed green, after a few seconds it flashed red, if you don't turn it off, it flashes red until... | The LEDs received around 32 to 40 volts, the variation indicates that the board is not recognizing the LEDs | 1 shorted LED and 1 faulty (defective and on the LED bar) | lucian oliveira 61991271532 DIGITAL TECH |
LG |
39LN5400
|
TV turns on, backlight turns on, but no image | Display board capacitor c19 shorted. | I replaced them all and fixed the image | ANTENISTABNU |
CCE |
D4201
GT 309PX |
Does not tune channels. | Ressoldar ic u15 (tc90517fc) | Gerivaldo | |
PANASONIC |
TC-L32B6B
|
Turns on makes noise from the speaker and turns off | Ci amplifier ic4900 close to the speaker connector with cold solder | Resolve and run to the hug | RODRIGO CELL |
SAMSUNG CURVADA |
UN49K6500AG
|
Burnt out LED bus. | High LED current with 91.2v and 500ma | Replace the LED bar (side) and replace the resistor (r9873) from 0.56r to 1r, the current drops to 88.2v and 220ma. Note: this model tends to burn out the LED bus and also the diffuser acrylic. | Evando Viana |
SAMSUNG |
LE40R86WD
|
When it heats up the image goes out. Sometimes it turns off, locks or freezes the screen. | Defective power supply capacitors, especially the electrolytic ones inside the oscillator ci cage | Edson SP | |
SONY |
KDL-23B4050
SE2 |
Image with little contrast and a lot of brightness | As-04g integrated circuit on t-con | Pascual | |
PHILIPS |
48PFH5500
|
Doesn't start | Verificar e substituir r9307(2,2ω/1/4w), r9309(10ω/1/8w), r9310(10kω/1/8w), r9311(750ω), u9301(ld5532), c9307(nc/47pf) | Martin |