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 |
|---|---|---|---|---|---|
| LG | CM8350 | Turns on, but no audio output | Pfc voltage was low. cause: leaky pnp transistor ktn2907as (zh). | Just replace it and the problem will be solved. component position: q910 | (FELIPE) PRO PC Eletrônica e Informática |
| TOSHIBA | 32RV700 (A) D A | No sound image beauty | Zero volt em ac-det. | Q8110, d8110 and c8110 on the power supply board | WIL-SOM-TV |
| LG | 14FK3BR | Vertical closed at the bottom and stretched at the top like the image is folded at the bottom | R=305- 12k changed measuring 29k | Replaced and solved the problem | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |
| MITSUBISHI | TC2018PS | Channel locked asking for password | Lost password | Enter the menu in the place that asks for the password, you don't know it, press the q/v key on the control 4 times to unlock all channels | Beto2828 |
| MITSUBISHI | TC2018PS | Channel locked asking for password | Unlock | 1) with the TV turned off, on standby, press the channel + key and then the channel - key (on the TV keyboard), the TV will turn on; 2) press the menu key until selecting the mode menu (when selected, the mode menu will be highlighted in red at the bottom of the screen); 3) using the function + and function - keys, select the lock function; 4) then, using the volume + and volume - keys, replace it from on to off; 5) press the menu or delete keys to exit the menu. I saw on other forums that pressing the volume-channel+ keys also solves the problem!... I hope it helps!... | Beto2828 |
| AOC | H428PW | Turns on and within a few minutes the screen appears dark, the logic board and the capacitors are changed | Replace c711, c713 and c682 | C711 100mf/63v, c713 22mf/16v, c682 4700mf/50v | Cassiano de Vargas Fagundes |
| PHILCO | PG21MSS | Does not turn on, LED off, power supply varying | Shorted 18v diode, close to zd804 | Hiago correia | |
| MONDIAL | D-03 | Does not read the disc reader with tic tac | Ba cd5888a altered | Swapping the ba for this cd5888cb works perfectly in place of the other one | antonio nobrega patos pb |
| PANASONIC | TC-32DS600B | Lights up LEDs without image | C62 shorted on the t-com board killed the 12 volt tcom power supply | I just removed the capacitor | juci |
| PHILIPS | 40PFL3605D | With sound without image | 750k resistor replacement | Signal board close to the 2j30 ceramic capacitor behind the board | ajm |
| LG | 21FJ8R CW81B | Vertical | When I took out the Q16 TV it turned on with vertical closed | R301 18k ruim | JOAQUIM |
| TOSHIBA | TS 149CR | Sem as no of | Rs07 150k open close to the audio photo-coupler | Replace resistor I put a 120k | @gepe |
| SEMP TOSHIBA | LC4055FDA | Screen flashing, noises on the power supply board when power=1. subsequently, bridge rectifier burns output. | Ci nw901 with short (intermittent) on terminals 15 and 14, qw901 does not switch and when qw902 switches it throws hv to ground and bridge urine. | Nw901 replace | Laelcio |
| SAMSUNG | UN405200G | With sound changes channels but no image appears | 2 defective LEDs | Replacing defective LEDs | |
| LG | RP29CC90 | I'm sound | Perfect picture without sound | Both speakers | Edinaldo |
| SONY | GTR88 | Vu locking and making noise | Inside the vu tsound is a seesaw switch with leakage - just change it and it's like new | ELISEU | |
| CENTURY | NANOBOX PC.4131.0041A | Doesn't start | Dry electrolytic capacitor cf2 22mf 400v causing the burning of the other components vf1 -viper22 uf3a-h11a817 | Opinion | |
| SAMSUNG | CL21C650ML | Turns on with dark image without video | Replace zd210 9.1v diode | Replace zd210 9.1v diode | DJ PITUKA |
| LG | CM4440 | Does not turn on very low secondary power supply | Power supply coupler | Replace the two power supply couplers | beto2828 |
| SEMP | 1483BAV | Vertical treme | Resistor smd 47k | Maneol da eletrônica.p. novo Ba |