TV Repair: Common Faults and Solutions.
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Results: 87436
Results: 87436
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS | 29PT9457B/78 | Three colored stripes appear and turn off | Ci vertical tda4863j | Barter it | mauricio rodrigues dias |
| SAMSUNG | PL43E400U1G | Image flashing, power supply pulsing voltages vs etc... | Resistor smd 200k alterado | Replace resistor rp828 (it can be any other in the same circuit, which obtains the same value.) | Weslley (UNITEC) |
| SAMSUNG | LS22EMSKUMZD LS24EMSKUMZD P2270HN P2470HN | The image disappears after use, turns off the backlight and the sound remains normal. | Inverter transformer on the T301 power supply board is faulty. measure output impedance, if it is much below or much above 1k, it is the likely defect. Also check for a possible faulty display lamp. | Changing the t301 power supply transformer. | rafaelmoraes99 |
| LG | CL21C650 ML | Closing at the top, and then turns off. | D405 rgp 10j fraco. | Just replace, this diode is from the negative 16v power supply. | guinga sdia goias |
| SAMSUNG | LN32A400 | TV turned off the lamps after about 5 minutes on | Lamps with natural wear generated oscillations causing the ovp protection to be activated | Remove crazy zenner zdi803 from ovp line | Edmilson |
| LG | 42LB9RTB | Doesn't start. | Power supply blowing 5 amp fuse. | Replacing the sd20n60 mosfets. if you can't find it, use the 30n60. | BICHARA |
| SAMSUNG | 32J4500 | No image,vgh na v-com 0 vcc | Q3 on v-com, change without testing | Roberto Consertos | |
| SEMP | 1451 U18 | A black stripe on the left side of the screen | Due to the time of use, the capacitor c884 has no capacitance | What replacelo tar resolved the plobema | js etrotop |
| SAMSUNG | PL50C450 | No image, normal sound. | Y-sus board with burnt 30f123 transistor. probably some technician placed a buffer board that was shorted and burned the ysus. | Replace 30f123 (30f124 won't work, it will be pigmented). Furthermore, if you can, replace the rjp30e2 and rjp63k2 | PL Eletrônica |
| LG | MCT806 | I'm sound | D934 d935 change without measuring | 12v missing no cn901 | Ogeid |
| SONY | HCD SH2000 | Device arrived with protect | It seemed to be going bad, but after testing the media, everything was ok. It ended up turning on for a while, wsound I noticed some functions were not complying. | Replaced all the function keys and solved it. | venancio |
| CENTURY | SUPER 1900 | Inoperative does not turn on | D6 | Replace the leaky d6 if you don't have this diode, replace the 1n4148 and the receiver will be working, God be praised! | Sinailson furtado |
| CENTURY | SUPER 1900 | Inoperative does not turn on | C12 | Replace the 10μF 50v c12 without fear. God be praised! | Sinailson furtado |
| PHILIPS | 14PT3131 | When plugging into the socket, the fuse blows | D6500 d6502 c2502 and r3527 of 2k2 all opened replaced the TV worked normally | ||
| SONY | KDL40EX655 | TV turns on, black screen, sound popping, no definition. | Bga reballing main board, reflow didn't solve it, it only started working again after reballing. | Marcelo - Gov,Valadares MG | |
| SAMSUNG | HT-C460 NT | Doesn't start. - inoperative power supply | After changing all photocouplers. check smd qm3 at power supply | Replace ( qm3- ksc1623l ) | PEDROTEC |
| CINERAL | TC-1470 | Vertical closed | Q102 | Replace q102, put bc337 | Marcelo Piranga |
| SONY | KDL40R485A | It turns on normally, when you connect a signal power supply, HDMI, AV or RF, it turns off and restarts 3 times and doesn't turn on again. | Leakage on the main PCI due to oxidizing agents. Remove the PCI and use a brush to wash it with water and soap powder. rinse well. then use a hairdryer to dry it. Before putting the PCI back in place, make sure tsound is no trace of moisture. stay fillet. | Ferraz | |
| SAMSUNG | LS17HAAKS | No image | At the power supply, 3 820uf 25v capacitors swollen and an open 3a fuse f301 hidden under the glue | I replaced them with 3 1000μF 35v fuses and replaced the fuse f301 | rkdapper |
| PHILCO | PH40F10DSGW | LED doesn't turn on | Only the red LED is on and it doesn't go off when you touch the power button, this TV has a 5v and 12v voltage switching c.i. It only activates after pressing the power key, but the 12v voltage was direct indicating an internal short. | Changing the c.i position u809 | Sylvox |