TV Repair: Common Faults and Solutions.
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Results: 87573
Results: 87573
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC | SA-AKX14 | I'm sound | Lack of standby power | Smd ceramic capacitor on pin 23 line of tda8950j | Fofão eletrônica wr |
| PHILIPS | 43PFG5000/78 | No image, normal backlight | C702 shorted on tcon board | garrom | |
| PHILCO | PH32U20DSGW | Turns on normally and turns off after 40 seconds to 1 minute. | Corrupted software due to various causes such as power outage. | Software update solved the problem, get the file on the philco website. | Tom |
| PHILIPS | 21PT5435 | TV turns on and then turns off in a few seconds, when it stays on, black stripe at the top and bottom of the picture tube | Capacitors: 2465 (10uf, 160v) and 2446 (470uf, 16v) | Capacitors with low capacitance, replace with capacitors of equal values | Donizete Alves de Sousa |
| CENTURY | NANO BOX | No sound and no image. doesn't connect at all. | Cracked smd resistor (rv63) see diagram, and open smd transistor qv 18. | In place of the smd resistor, a common resistor was placed, you should see the schematic and compare. and in place of the transistor, place a bc 547 observing its datascheet to connect correctly, it stays fine and works. | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| TV PHILCO. | TP1410 | The TV just stays on standby, sometimes it turns on and sometimes it doesn't. | Position resistor r931=15 homs, at the power supply with cold soldering. | Is the solution just to resolder and celebrate? | Armando de Olímpia. |
| LG | 60PB6500 | Tsound is no image tension (vs and va) low | Lb605 open q603 shorted kp11n60 can replace with p11nm60 | speedtec | |
| TOSHIBA | HFS-2959 | Vertical collapsed in the middle of the screen | The primary power supply was low, the socket wire was broken, the TV was changed, it worked with the vertical shrunk, the defect was in the changed deflector coil, I changed the TV, opened the image and it was good | Eletrônica Power saquaçú | |
| CCE | HPS2185FS | Does not turn on, nor does the LED light up | Voltage on c805 only with 110v | It was not a defect in the power supply oscillator, the c805 capacitance (150μF x 400v) was exhausted, replace it and everything is back to normal. | Rodrigo V F |
| CENTURY | NANO BOX | Tsound was no sound or image. completely stopped. | Review qv16,17,18,19 and 20. | In our case it was the defective QV20. put bc547, observing the datascheet of both to connect correctly. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| LG | 32LE5500 | Activates the relay with a whistle, no image, red LED flashing | C9141 47uf/25v | Replace without measuring | Paulo-ps Eletronica |
| TOSHIBA | MS7980MUS | No audio on output | Photocoupler at power supply | Replace the power supply photocoupler | beto2828 |
| PHILIPS | 26PFL5322/78 | White negative image | White image | Replacement. ci-as04f. a hug | estevao de Jesus ventura |
| CCE | HPS-1402 | Loud power supply and noise primary power supply! | Ic-801 | Paulo B Filho RJ | |
| SAMSUNG | CL21C650ML | With a crooked line in the middle of the screen | Change vertical exit la 78045 and run to the hug | Eletrônica Power | |
| LG | 21FJ6RB | After lightning, the TV turns on with a "locked" screen, keys and remote control inoperative. | Corrupt EPROM data, damaged infrared TSOP receiver. | After re-recording eprom TV returned to normal except remote control, just replace the IR receiver, TV ok. | Denys de Sene |
| AOC | D32W831 | TV turns on and only has a blue LED but no image | I tried to record the flash memory, it didn't work, it came with an image but without characters, I removed the memory from another card and it worked normally (u510) | 24c32wp eprom that comes with the device does not accept rewriting, instead write the data to a 24c64an eprom. | ROGERIO_FEDERAL |
| SAMSUNG | LN26B350 | Queima ic 1001 9933b | Change cover. 2019,2026 | Thanks for the tip ok | cezar |
| SAMSUNG | PL51F4000 | Doesn't start. flashing standby led | I replaced the 30m40 igbts on the y sus board. all shorted. | Rmseletronica | |
| PHILIPS | 29PT5642 | Does not generate a high, the power supply comes on and then resets and the LED flashes | I changed the photo coupler, disconnecting the flyback, changing some electronics and nothing, I removed the horizontal output, it was fine but on a high scale tsound was a small leak, I replaced it and the TV worked perfectly. | Changing the horizontal output without testing is valid for all Philips TVs. | Bardock Eletrônica |