TV Repair: Common Faults and Solutions.
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Results: 87577
Results: 87577
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| VESTEL | 17PW20 17PW20 | Doesn't work | Ic802(irf7314) shorted, short between pin 3 and gnd | Replace ic802 | Mário Martins |
| SAMSUNG | CL21Z43MQ | TV with no picture or sound dark screen with no characters | 10kω resistor r270 measuring 15kω was replaced and resolved | Lázaro lemos | |
| LG | 14SB1RB | Left side dark spot | C401 4.7µf for 250v dry | Reginaldo Alves | |
| SONY | LBT-A 495 | Sound reading CD showing activity on the display but no sound, even on the power card without audio. | R1209, r1259 opened or changed | Replace resistors both 100r | josé braga |
| PHILIPS | 20GL1049 | The TV turned on, showed the image, menus acting normally with universal control, but the volume was at maximum and wouldn't go down. | It was thought that it was a bad memory. However, a jammer was found between the numbers 3961, 2605 and 9971 on the plate, which had one side loose due to rust. | With the resoldering, turning on the respective track that passes through it, when the TV turned on, the volume control worked. God is faithful. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| SAMSUNG | CL21A551ML | In normal operation (device turns on and off in approximately 15 seconds) | Resistor (r307) 4k7 open. also check (c304) 100mf 50v close to the vertical output ci | Severino Silva | |
| LG | RP-14CB25A | When the TV turns on, the LED lights up, the relay turns off the LED and it doesn't work +b it gives a spike then drops | Causes r815 and r816 of 90k both open the use of a 180k causes vertical stripe in the right corner and thanks for the tips from my companions | TVSOM _SERGIPE | |
| LG | 42LM6200 | LED blinks but doesn't turn on | Curto +b 24 capacitor smd placa sinal ,c4324, 10mf/35v | jps,eltr,c.grande | |
| PHILIPS | 20PT3331 | Without image, with sound and characters appearing | Resistor r2442 150k next to the open fly back | Replace and run to cocoa | digital system |
| PHILIPS | 40PFL7606 | Turns on, backlight turns on but tsound is no video...normal sound | This email address is being protected from spambots. You need JavaScript enabled to view it. | I reflowed the main board processor and started it at 200 degrees and then a minute at 300 with a rework station..it went back to normal | Fabio Marinelli Eletrônica |
| SAMSUNG | CL21C650ML | High power supply | Horizontal drive transformer - t401 or t402 | Hiago correia | |
| SAMSUNG | CL21A551ML | High power supply | Horizontal drive transformer - t401 or t402 | Hiago correia | |
| SAMSUNG | CL21 | High power supply | Horizontal drive transformer - t401 or t402 | Hiago correia | |
| SONY | HCD-ZUX9 | Panel keyboard does not obey the functions | Change the micro keys! or test one for a company to find out which one is shorted! in my case it was the enter key, but I changed everything! | Replace the micro keys! | Rodrigo vipo |
| CCE | LV40G | Has sound without image | This is mp3394 | Replace the same ic 500 | cleberlima rs |
| PHILCO | PCM1444 | The TV has a black and white image. The voltage at pin 48 on the computer fluctuates at 5V | Problem with output 48 of the micro palm-m | Replace capacitor 117 1mf/50v. | DANGRA ELTRÔNICA SÃO PAULO |
| LG | 21FJ6RB | Closed vertical - opens only in the middle with inverted image | 1000uf/25v capacitor exhausted at the vertical output | 1000μF/25v capacitor exhausted at the vertical output | Rogério-Eletro Serrana |
| PHILCO | PH14 GAME OU ULTRA SLIM | No audio. | 100k r603, open. | Replace r603 of 100k and move on to the next one. | Carloscte |
| AOC | LE42H158I | Turns on, the "logo" appears and turns off, only the audio remains. | On the inverter board, the bad ci 8152 and resistor r 8135, I replaced them but the problem continued. I removed the screen and checked that tsound was a damaged LED. | I made the replace and as I didn't have a new LED, I removed it from a Samsung TV bar 32d5000 and everything worked perfectly. good luck . | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| SAMSUNG | CL 29Z43MQV | Led on, when switching on standby it flashes, pulsing the power supply + b | Qv 903 / 904, open or ruptured | Replace both | J. Dantex |