Repair Tips
Search:
Results: 88166
Results: 88166
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILCO |
PH22S31M
|
Turns on, brightness on the screen, accepts functions but no video appears, AV inputs, when selected, does not work, a lot of interference on the screen, writes "weak signal". | Resolder the power supply, transformer, capacitors. glue the ferrite that is on the main rectifier diode. | Replace 12v supply capacitors, resolder transformer, glue ferrite to the 12v rectifier diode. | arock |
| PANASONIC |
NN-ST352WRUN
|
When plugging it into the socket, nothing turns on. | Ic-364pn and l-101 open connected to pin 1 of ic-100 was to replace and run to the hug. | vanderlei de jesus barbosa | |
| SEMP TOSHIBA |
DL3975I(A)
|
The screen doesn't light up | DP15 smd diode near the LED power connector shorted | I placed 02 sr5100 diodes in parallel in the dp15 position | Eletronica Cecé- Brumadinho MG |
| SAMSUNG |
CL21A551ML
|
No audio | Saida those who la42032 | Put original | ELETRÔNICA CAVALCANTE |
| SEMP |
TV2050MAV
U17 |
Vertical closed or turns on without image and then turns off | Integrated circuit responsible for the faulty vertical | Replace the ic stv9302a for another equal or equivalent one, in my case I removed the ic stv9325 from the tube monitor board, and the TV worked perfectly again! | Lucas |
| PHILIPS |
20PT529A
|
Blurred/turning off | R3204 | Replace and run for the hug... ums | |
| PHILCO |
PH32E53SG
MS,LA |
The TV works for a while and then turns off | Speakers short, just replace | Replacing speakers, installing new ones | eletronica publisom rn natal rgn |
| SONY |
DAV-FC7 HCD-FC7
|
Device does not come out of standby when pressing power, the disc 1 button LED blinks and the power supply does not go back to standby. | Power supply diode in position d906 short shocktty type diode 11eqs10-ta1 on its body written just a1. | Joaquim MG | |
| CCE |
HPS2185FS
|
Dull but you can see the characters | C424 can replace without fear! | <small> |
|
| SEMP |
2934(B) SL
SK91 |
Changed power supply, which was supposed to be 133v, was now 151v | R633 changed | CST eletrônica Serrota Senador Sá Ce | |
| CCE |
HPS 1471
|
Turns on, turns off and the LED blinks | I replaced transistors q101, q802, q804 | Valtair lopes | |
| PANASONIC |
TC-40C400B
|
Has sound, no image, LEDs on | Capacitor ct12 shorted on the 3v3 line on the v con board | Remove capacitor | eletrônica valdecir |
| SHARP |
C-1453
|
Excess shine | After a review, it was found that the excess brightness was caused by an incorrect screen adjustment. It was thought that someone was inadvertently adjusting the screen by inserting a screwdriver through the hole in the cover. but it was when closing the device that I realized that the lid applied pressure to the focus and screen potentiometers, causing the controls to rotate involuntarily. | The solution to the problem was to modify the lid so that it does not press the focus and screen controls with the device closed. | Carlos André Poloni |
| SAMSUNG |
T19B300
|
Turning off after 30 minutes on | This defect is on the power on line. remove the transistor that powers on the main PCI, the trnasistor is conducting from collector to emitter, the collector is connected to pin 14 of the ps on line power supply connector, the emitter goes to gnd, replace it even if the measurement shows OK | Chico Alagoinhas | |
| SEMP |
TV1491KAV
U15 |
Poor linearity from half the screen upwards. narrow weave on the sides. | After working hard on the vertical circuit, changing almost all the parts and re-soldering everything, I found a tip sound on the forum about a similar defect on the same model. I replaced the c884. With this, the TV worked perfectly | Técnico Rodrigues | |
| PHILCO |
TP2054
|
Led on, power button does not activate and +b with 9 volts | Tv is blocked | Turn on via remote control, enter the lock function and deactivate. | samuel leite |
| PHILIPS |
42PFL3604/78
|
The backlight does not come on or it just blinks. | After saving this power supply board with the defective components, I set it up on the bench and the TV only blinked. | C802 of 0.47/1 60 with replaced color however the biggest villain was the trimpot rw977 of 10k replaced to megas. I'm just exchanging them and joy | Rômulo |
| SONY |
MHC-GTR888 HCD-GTR888
|
Power appears on the display protect | This defect is caused largely by pre amplifiers and mosfet, I opened the device to check and tested the cable that supplies the pre amplifiers, it has to be 100v or 104v it is ok, I saw that all the if6775m mosfets were good and irs2092s amplifiers, the reason for this device is the right and change all 4 irs2092s and 8 irf6775m I replaced them all with new ones, the sound stopped giving protection, the defect was in these parts they were exhausted due to the time of use, right change them all and the defect will be resolved | Device 100% in working order, defect resolved | Andre Técnico do posto autorizado SONY |
| PANASONIC |
TC-32A400B
|
TV turns on and off by itself with green LED blinking non-stop | Defective sensor board | Replace the board | DENISSON ELETRONICA |
| PHILCO |
TP29C21
|
STBY LED is on and won't turn on | Diode d1701 short, just change it and solve it | brito jose |