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 | 14FK3RB | Vertical closing the bottom and the image shaking | C 309 -35 v x 220 uf | Joel Som | |
| SAMSUNG | UN32H4303AGXZD | Doesn't start | Position diodes dm808 and dm807 | Swap them both! | Rodrigo vipo |
| PHILCO | PH21M SS | Vertical closed about 2 fingers in the middle and appears to be a bad deflector coil, | Diode d301 1n4007 which only shows a defect in the circuit, on the analog multimeter on the highest resistance scale it shows good! | Replace it for sk1/08 | Fernando Alcantra |
| LG | RP-21FB32 | TV turns on and off. When the STBY LED goes off, it immediately lights up; | Problem with the vertical line | Replace d301 or vertical output | DANGRA ELTRÔNICA SÃO PAULO |
| PANASONIC | TC-L42E5BG | The screen flashes and does not turn on red LED flashes 1x | LED backlight ruler burnt out | The complete ruler had a very high price and as tsound was only one, it was replaced, and it was ok, the issue of durability needs to be evaluated as it was necessary to replace the double-sided tape that glues the ruler to the heatsink. | sajage |
| LG | 32LK450-SA LJ01U | Does not tune channels, screen is dark and tsound is no drizzle, characters appear normally | Tsound is no voltage of 1.2v in the varicap | Replace ic3701 (voltage regulator) | NARDINHO |
| SAMSUNG | LN40R71BAX | Without alloy. Relay and stand bay flasher | Power supply cp 810 | 3R | |
| CCE | HPS1407 | Image flickering with retrace lines, even with screen set to minimum | Fr901 22r changed on trc board | Replace fr e tbm c908 elt 22μF/250v | Zé Mário |
| PHILCO | PH32M2/M3 | Power supply takes time to arm and switch on standby. | Check 20v power resistors on q6 4401. | The glue may be interrupting, re-solder the resistors. | Eronaldo(erontec) |
| PANASONIC | SA-AKX16 | The sound works and f61 appears and turns off, or a hoarse sound from the outputs | 10r resistors near the sound output (no reference) | Replace for the same value | Eletrônica Bastos |
| PHILIPS | 32PFL5604 | TV turns on without backlight sound ok note; When turned on, a faint glow appears and then goes out. | Defect in the cf1 221k 1kv capacitor at the power supply with leakage. | Replace it and move on to another. | celso |
| TOSHIBA | TV2015 U14, U15, U16, U17, U18, U19 | This tip may be useful for those who have not yet encountered this defect! Fits TVs with chassis u14, u15, u16, u17, u18, u19! symptom: 1) TV without sound, very low sound or just noise from the speakers. symptom: 2) subtly blurred image, in one of the RGB colors (appearing to be kinescope, deficient). | Q-906 dtc123, eliminates the spot effect when turning off the TV! It's on the PCI. of the kinescope, remove it and turn on the TV, if the audio and image return to normal... just change it or leave it without it! | cauaf | |
| LG | RP-29CC90BRS MC049A | TV turns on standby but when turned on it turns on and off immediately. | Ic801 power supply ci changed | With the replace, the TV turned on normally | Eliel |
| PHILCO | PH21MSS | Doesn't turn on, doesn't light up stay bay +b stays low | Dz804 defect | antonio claudio herdy | |
| TOSHIBA | DL4045I | When turned on, the logo appears and suddenly the image and backlight turn off, leaving the standby LED remaining green. | LED backlight open or shorted | Replace the LED bars or just the 6v LEDs with 1.8 watts (24 units). | Williston |
| SEMP | LC3234W | Does not turn on or turn on standby "dead" power supply | Replace of all 22µf x 50v capacitors, a total of 4 units, nothing more, it was 100% | scinfo-eletrônica | |
| PHILIPS | 29PT4631 | Relay knocking | Power supply oscillating voltage | Optical coupler replaced, just replace | RobertoBrujaH |
| PHILCO | TP2920 | It just stays on standby and disarms immediately | D 1701 shorted, replace the two d1701 and d1702 | I mismarked the tip above, the diode 1401 has nothing to do with it, but 1701 and 1702 | JAIR PEREIRA |
| PHILCO | TP2920 | When it turns on, it shuts off immediately | Diode d1701 shorted, replace the two d1401 and d 1702 | JAIR PEREIRA | |
| CCE | HPS1497 | Turns on by itself, changes volume | Escape key button | Replace for new | JEAN |