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 |
|---|---|---|---|---|---|
| LG | 22MA33D-PS | Inoperative TV won't turn on, plus normal 19v power supply | Capacitor c803 shorted, causing ci 809 to burn, it is close to the flet that goes to the display. | Ci 809 and mp158 must have 24v at the output, the capacitor c803 can put 4m7 63v smd | guinga sdia goias |
| LG | 47LM6210 6200 6230 | It does not tune digitally, but analogue tunes normally. | Voltage +1.23v_d_demod (low voltage, 0.50v) that goes to the tuner pin 30. this voltage is provided by the ic6501 ap2132mp-2.5trg1. This ic is close to the tuner | Replace ic6501 and it worked, it worked perfectly and the voltage 1.23 appeared normal. | MIGUELTV |
| SAMSUNG | PL50A450 PL42A450 | Auto gen | How to do auto-gen to find out if the defect is on the main board | Jam the ps-on and rtm pins of the power supply; connect pins 3 and 4 of the controller and disconnect the main board. | PL ELETRÔNICA |
| H-BUSTER | HBTV-32D03HD | Dead | U1f (fan 7602) and d20f burned. | Replace and go for the hug | Henrique mata |
| CCE | HPS1403 | Does not turn on when you press the power key, the LED goes off | Power supply transistor and 8v bad bc337-16 only passed 6.8v | Replace of the same | ASSISTEC |
| LG | LV3700 | TV doesn't turn on, LEDs don't light up, standby lights up dimly. damaged main board | Reflow the processor and nand memory. put a good amount of liquid flux underneath. | Rmseletronica | |
| PHILIPS | 40PFG5109 | No normal backlight image | C08 shorted on main board | Replace c08 | robdson |
| PHILCO | PH29E63D PE1 | The red LED turns on, then turns green and doesn't go away | Check signal board regulators u8 and u6 | Swap u8 and u6 | eletronilo |
| SEMP | 2134 | Entering protection mode | C634 and c635 defective | Changing these capacitors, the TV was ok. | RdoAntônioAcre |
| PHILCO | PHT660N | Doesn't start. low power supply voltages. | E11 (47x50v) with low capacitance and e21 (1000x16v) stewed. | Eletrônica R-Tec | |
| AOC | LE22H158 | TV has sound without image with washed screen effect image, i.e. all white | Put a red, red, gold resistor on the TV's ground chassis and connect it to the vcom board at the points marked with this number ck55 and ck65 and ok the image comes back, it's not a net tip I discovered it myself by messing around because it's mine and if it burns it wouldn't have problem ok | ELETRONICA PUBLISOM RGN | |
| SEMP TOSHIBA | TV1451 | Vertical closed | R316(smd) aberto | Replace | Rildo Aranha |
| LG | 32LH515B EAX67026901 LJ67A | TV completely inoperative | Ic500 mp3378 burned | After the replacement, the TV started working perfectly again, remembering that the component code is mp3378, because if you search for the code above you won't find this component anywsound, it is already for sale on the open market | marco antonio |
| SAMSUNG | LN28B450C4M | Rb812 replaced. | Pfc circuit power supply (qb801) below 15v. | Rb812 replaced. | duc40rj |
| PHILIPS | 32PFL3008D/78 | No sound on channels (RF) | Memory defect | Enter service mode through the menu (little box) 1 9 9 9 return go to reset and press ok, it will turn off, wait 15 seconds, turn on and that's it | eletronica fernandes - to |
| TOSHIBA | 40AL800(A)DA | Sometimes the backlight does not come on, in the image | Replacement of recorded flash memory, just buy it on the free market and problem solved | eletronica junior reginaldo moronte | |
| SEMP | TV2082 | Vertical closed | C301 sold out | Capacitor replaced | FABIO |
| H-BUSTER | HBTV-40D02 FD | When cold, it turns on with no image or white or green screen or with bands | Depleted 470/16 capacitor ca107 on main board | Replace it | puro-musculo |
| POSITRON | SP6110AV | White screen | Check short capacitor tc505 470×6.3 and open r526 4r7 | Jocimar | |
| PHILIPS | 42PFL3403/78 32PFL3403/78 LC8.1L LA | No audio on all video inputs (antenna, avs, hdmi no sound). but with normal audio on the headphone output. | Short-circuited capacitor, close to the 7411 audio modulator. | Replace of capacitors position (2420, 2423) value 10u x 16v. | rafaelmoraes99 |