Repair Tips
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Results: 88142
Results: 88142
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
UN49K6500AG-CURVA
|
Turns on normally.leds light up.no image.on t.with only 12v.fuse f2-3a open.measuring the power supplys for mass, avdd was found to be only 2 ohms.measuring the continuity for the screen, the last 1uf smd capacitor to the right of the shorted display flat. | Changed the capacitor and fuse TV returned to normal with image and sound. | gesuino | |
| SEMP |
DL3975
|
Green LED pulsing and not turning on | Change without measuring the dp10 diode at the 12v power supply output (which keeps pulsing) | eletronica valdecir | |
| LG |
29CC2RL
|
Normal image but without sound | Q=601 | Replace it with another one or remove the transistor from the board and the TV will release the sound again | Antonio Carlos (Eletrônica Renascer) |
| PHILIPS |
42PFL3604
|
LED blinks but does not turn on, sometimes it turns on and increases the volume to maximum | Less than 3v at the output of (u4) tsound was no point in changing capacitors. | Place a 10r resistor between the middle pin 5v and the one on the right 3v3, | alcindo ferreira |
| PHILCO |
PCM1443
|
It doesn't turn on, it has 69v and a click in the speaker but it doesn't generate | Replace flyback | DJ PITUKA | |
| SONY |
KDL-40W605B
|
When turned on, the image appears and then turns off, the red standby LED flashes 6 times | Causes two LEDs to burn out on one of the bars | I replaced it, problem resolved | PATRICK |
| SAMSUNG |
CL21K40MQ
|
League without video with black stripe on the horizontal side, | Diode, d405 1n4148 next to the video connector | DJ PITUKA | |
| LG |
CM4330
|
Works for a few minutes and goes into s-protection | Defective pc903 coupler photo | Replace pc903 | SILNEI |
| LG |
32LB9RTA
|
Keyboard blocked and remote sensor does not respond | Capacitor c610 shorted | Replace capacitor c610 47pf which is close to the keyboard signal connector and go to the main board and examine the 5v zener which works together with the cap on the connector the signal has the tx nomenclature. | ricardovideoesom |
| PANASONIC |
TC-L32C30B
|
Turns on and off then the green LED flashes several times and then turns red | The connectors p5 p6 p7 and p8 of the lamps with poor contact | Eliminate the connectors and solder directly to the board | ELETRÔNICA POPULAR |
| PHILIPS |
14PT3131
|
TV doesn't turn on, LED is off | Shorted power supply in fet(6n60) | After changing it, place it with a reduced frame on the sides and turn it off, replace the photo coupler and c-2464 (47μF x 160v, the TV was ok. | geraldo de petrópolis |
| PANASONIC |
TC-14A10
|
Turns on normal image is shaking both on the channels and on the av | Tufted capacitor underneath c853 - 220uf 50v I replaced it and it stopped shaking and the image was normal | Defect resolved | Andre |
| LG |
47LB5600
|
Screen flashes even when replacing the LEDs | Defect in the 33µf/250v capacitors in the voltage filtering for the LEDs | Luir | |
| LG |
CM5660
|
Doesn't start | The 2 photo couplers with a problem do not pass 12v | Replace the two photo aclopador and run for the hug | LEANDRO |
| LG |
CM8430 CM8520 CM8330 CMS9530
|
Stuck on stand by, won't turn on | It is not necessary to open the device. | Remove the 4 small knobs (function, effect, file, < >) and the volume knob (large) and try to turn on the device. If it doesn't work, remove the potentiometers one by one until you discover the faulty ones. | <small> |
| H-BUSTER |
32L05HD
|
Replace it without testing, if you notice it gets hot it fluctuates. good luck! | Primary power supply oscillator ld7775jags | Replace it without testing, if you notice it gets hot it fluctuates. good luck! | Jhone eletroonica |
| TOSHIBA |
LC4045
|
5v voltage low and oscillating | Replace qb902 | Replace 2n3904 | jcgiantomaso |
| SEMP |
TV2123 (0)FS
U19 |
When turning on the power supply it drops to 56v | In my case it was the epron memory | Memory replace | Ivanildo soare |
| TOSHIBA |
TV2159
|
Stand by LED blinked but didn't turn on | Shorted horizontal transistor | I replaced it and it started working again | ossis |
| SAMSUNG |
UN32FH4003GXZD
|
Tv doesn't light up standby led, power supply ok when removed power on off pin.... then you condemn main board, but it's not... | When pressing the ic 1501 next to the varicap block, it worked | Resolder using a thermal blower or, if possible, with a soldering iron and go for it... | ELETRÔNICA ZANAGA |