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 |
|---|---|---|---|---|---|
| SAMSUNG | UN32FH4003G | TV turns on after a few minutes, turns off and turns on again, you notice that the LEDs keep oscillating | A 47uf/160v capacitor was found to be dry on the power supply board | After changing it, the TV started working normally again. | Adriano Miranda |
| SEMP TOSHIBA | 2981 LEM7 | Bad kinescope board connector | Dark image | Wanderson | |
| TOSHIBA | TV2959JFS | Does not turn on, LED is off and power supply is dead. | Defect in the power button. Be careful, as the primary power supply has tension even with a defect in this button, but the pulse to the oscillator is missing through r874. you are | PVB | |
| AOC | HBTV 32D03HD | Overheating the power supply fets q2 and q4 reaching the personal feedback after breaking my head so much I discovered from the power supply diagram that tsound were two wrong resistances in the dryver circuit of u1 that releases the pwm signal pin 2 and 3 r31 and r30 was in place of 10r and in the scheme it was 22r I changed it to 22r as in the scheme and just celebrated. | Change r 30 and r31 to 22r personal detail this TV has two versions this power supply is the pl160w372x165. | Replace r30 and r31 to 22r. Let's help everyone that God blesses us. | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> |
| PHILIPS | 32PFL3007D/78 | Doesn't start (dead) | Shorted hdmi switch chip, in my case (sii9185actu) replace it and that's it it kills the 5vdc power supply | Edmundo | |
| CCE | TV2918USP/AV | It turns on for a short time and then turns off and the power LED keeps pulsing | Vd559 diode 1n4148 open (replace with a new one) | See with ci does everything not in smd | eletronica valdecir |
| SAMSUNG | UN32EH4000 | Flashing, backlight lighting | Main board | Replacement | Roberto Costa |
| TOSHIBA | 42XV500DA | Doesn't start. relay clicks as if it were going to turn on | C893 22uf/50v, c8490 1uf/50v,c815 1uf/50v, c845 22uf/50v, c898 1uf/50v, c884 22uf/50v,c862 2,2uf/50v | All these capacitors were dry (zero capacitance) all replaced and the TV was normal. | Patriarca |
| PHILCO | PH21SS | TV won't come out of standby, won't turn on | Resistor r470 3w aberto | Replace resistor r470 3w and solved | |
| SONY | KDL-40R485A | Led pisca 6x | Tsound is no point in testing the LEDs, in my case they were all lighting up normally | I replaced the entire LED bus, just to solve this problem. | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| LG | 21FJ8RL | The TV turns on normally with curved side bars effect cup or pylon waist | Change the coil l401 open and proto the tv will be normal | Sinailson furtado | |
| TOSHIBA | TV 2177 SL SL11 | Does not turn on, LED does not light up | R 874 Asaq crossed | I replaced r 874 of 39k and also c 819 10mf 50v as per advice from other colleagues. | Ismael |
| SAMSUNG | UN32D4000 | Backlight flickering, unstable and dark | Q9102, faulty LED driver | PercĂ | |
| SAMSUNG | PL43F4000 | The standby LED flashes, the va/vs/vsc voltages reach their peak and the power supply is tripped. | Short in the smd transistors at the power supply. It is a line of 4 transistors. The correct thing is to change them all. positions q4002, q4003, q4004 and q4005 | I may be wrong with the positions, but if you measure the transistors you will find a short | PL ELETRÔNICA |
| PHILIPS | 20PT528A | Does not tune to all channels | Pin 9 of the seletronic has 10v when it should have 33v | Capacitor 47n 2004 smd, substituir | fabiosilvar |
| LG | 21FU1RL - L3 CW81A | Vertical reduced with + or - 5cm | R313 changed | Replace r313 22k | zu |
| SEMP TOSHIBA | TV2157BFS | In stanby, normal power supply, does not turn on | R437 from 2k7 open | To replace | Dj Velk |
| PHILIPS | 42PFL3403 | Doesn't start | It doesn't have 3.3v | Swap c120 semi shorted 103x2kv blue high voltage | jcgiantomaso |
| LG | 55LV3500 | Image forms slowly, takes time to appear and disappear | T-com board defect | Lack of voltage vgh of 27v r273 of 300r open makes the voltage set up | Marcos infotron-ltda |
| LG | 29LN300B-PC | Standby LED flashes and the TV doesn't work | Q1002 (smk630) feet broken near l1001 and l1002. | Replace for another equal one or for a 7n80 | evandoviana |