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 |
|---|---|---|---|---|---|
| SONY | KDL 46BX455 | No image, just audio. lamps off. | Inverter fuse open and transistor shorted on the inverter board | Test all the transistors on the inverter board. one of them will be bad. and of course replace the fuse. | eletrocell info |
| LG | 42PT350B | With sound and without shine | C504 150mf 35v short (y-sus board) | Replace for the same value | Bruno Poubel |
| PHILCO | PH40E36DSGW | Doesn't start | 12v power supply with +- 3v and 24v with +- 6v oscillating | Replace of qp3 npn in the secondary with gap between base and emitter. | Rogermk |
| LG | 42LB7DF | Sometimes it turns on, often it doesn't, the LED blinks, activates the inverter but tsound is no image | C401 reset circuit open | Replace c401 10μF/16 v | Roney Nogueira |
| PHILIPS | 40PFG6110 TV 715G6677-P02-001-002H | Did not turn on inoperative | Power outage | Smd diode d9311 short swap | Júnior eletrônica |
| RP-20CB20A | LG | Whitish image | D502 | When turning on the TV the image was whitish with a lot of brightness and almost no color, replacing the 502 diode with a 1n4148. | Alice Eccel |
| PHILCO | PH39U21 | TV with sound without image backlight on | Replacement smd diode position n204/n205 open diode (a8) equivalent if you can't find the original bav21, on the display's vcom board | wisst service | |
| CENTURY | SUPERCOLOR | Turning off when connecting the antenna cable | Tsound viper22 | N | |
| SAMSUNG | CL29A551GQ KSDA | Doesn't start | Stand by on and off. menu key with escape | Replace the menu key. | EKeletronica |
| SEMP TOSHIBA | LC3243W | Does not turn on, nor does the stand by LED | F820(f2a) and str-z2589 short | Solution in cases wsound replacing the capacitors has not resolved | Maike SR |
| LG | 29FS4RL CW62C | Doesn't start | Turns on and then turns off and doesn't turn on again. q830 leaking | Replace with a new tl431a | EKeletronica |
| PHILIPIS | NX5 | Does not turn on stand bay button off | Capacitor c507 c508 c518 c521 of 47mf x 10 replace all | Genivaldo | |
| AOC | LE39D7430 | The LEDs turn on and off in a loop and do not turn on | Defective eprom | Replace the same | EulerNet |
| SOM TOSHIBA | MS-8299CD | Normal league, but tsound is no audio. | Open 6k7 resistor r6. close to the rectifier bridge that feeds the audio output. | Replace r6 6k7 | MARCONES DE ARARIPINA PE. |
| GRADIENTE | TS2960 | Cushion effect | Voltage below that specified on the diode of thirty-three volts. | Even replace the d302, even if it presents normal measurements. | Biosnot manutenção eletrônica |
| PHILIPS | 32PFL5604 | In my case the defect was in c120, on the screen board. dismantle the screen to gain access. replace c 120, short. | Check "t-com" board voltage at c60,61= 0v, it must be 26v. see c110,115=0v, it has to be 16v. | In my case the defect was in c120, on the screen board. dismantle the screen to gain access. replace c 120, short. | arock |
| SAMSUNG | CL21A551ML | Horizontal cushion effect | Capacitor c499 poliester 0.47 j63 | Replace for another | Andrei Lowe |
| SAMSUNG | UN55JU6000 | TV doesn't turn on, the standby LED doesn't light up | Turn off the remote control receiver if the TV turns on and the receiver has a short | Capacitor c 6 shorted and just remove | multsom |
| SAMSUNG | PL51D450A2G | Main board; do self test gen | Disconnect the lvds flat cable, coming from the main one, on the controller, Janpear pins 3 and 4 of the cn2007 connector. | EUGENIO | |
| CCE | D3201 | When turning on, you hear a buzzing sound at the power supply and it keeps turning on and off. tsound are all voltages (5, 12, 24v and stb), but it does not stabilize. backlight flashing. | Capacitor ec1 (100uf x 450v) with a "bubble" | Replace the primary power supply capacitor (ec1). replace without measuring. Take the opportunity to check the welds. | Pixel Assist |