Repair Tips
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Results: 88013
Results: 88013
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| TCL |
L39F1590
RT49 |
Front panel buttons don't work | Check u500, possible welding failure. | Andreas | |
| TCL |
L32C16
MS181 |
TV does not search for tuned channels in the tuner | Check tuner supply voltage. check circuit u14, pin 79. | Andreas | |
| TCL |
L32F3200B
MT01C |
Hdmi input with abnormal image. av and usb working regularly. | Update to the latest firmware version | Andreas | |
| TCL |
L32E5300A
MS99 |
After running for some time, tsound is no audio | Check the mute circuit q701 (b= 23.4v, c= 0v, e= 23v), q702 (b= 0v, c= 3.3v, e= 0v). q701 can be replaced by 2sa1015. | Andreas | |
| TCL |
C32E330B
MT27 |
TV doesn't start, it always stays on std-by | Check c429 | Andreas | |
| TCL |
L24S10
MT23A |
When turning on the logo appears and freezes. the buttons on the remote or on the TV do not work. | Verificar u203 24c32 eeprom | Replace with a new clean one and copy the data from the old one | Andreas |
| SONY |
KDL-48R550C
|
When turned on, the logo appears but without an image. sound and backlight working normally. | Upgrade/update firmware | Andreas | |
| SHARP |
LCD-60LX540A
|
How to clear memory protection after 5 times on/off | 1.remove AC power supply;2. On the TV, press & hold av/tv & vol- and turn on the ac power.3. wait until the display lights up.4. the letter "k" appears on the display, it means that the TV is in "factory mode". the volume + and - have only two levels 15 and 30.5. press both buttons at the same time vol+ and vol-. 6. on the remote "down " and "up" to access the second page. 7. use "right" and "left" to change the country. 8. turn off the TV, wait 30 seconds and turn it on again. | Andreas | |
| AOC |
LE40D1442/20
|
Without stand by it won't turn on | Sk510c diode and 05 peripheral capacitors 470mfx25v | SOUSA NEVES GOIANIA | |
| SANYO |
50CE6139M1 55CE6139M1
UB9Z |
When viewing 4k movies, the display has spots and an abnormal shape. | This problem is normally resolved by updating the firmware, check if the version is older than v8-ms918sy-lf1v022. update to v8-ms918sy-lf1v025 | Andreas | |
| SANYO |
30CA1
|
Image flashes. backlight working. | The problem appears due to the change in the inverter's operating frequency. if jumpers j5, j8, j9, j10 are close together, the inverter frequency changes. | If j9 and j10 (close) replace to: j10 (open),(j9 (close); if j9(close) and j10 (open) replace to: j10 (open) j9 (open); if j9(open) and j10 (close) replace to: j10 (open) j9 (open); if j9(open) and j10 (open) replace to: j5 or j8 (close); (gnd) | Andreas |
| SAMSUNG |
UA55D70000L
|
TV turns off intermittently | Check the resistors connected to the cnl802a and cnl802b led bar connectors | Andreas | |
| LG |
42LP560M 60LN549E 55LN549E 55LN541C 47LN549E 47LN541C 42LN549E 42LN541C 39LN549E 32LP560M 32LN549E 32LN541C
|
TV restarts constantly, works for a while and restarts again. | Poor contact in the power line connector. | Andreas | |
| LG |
32LF57 49LF51 49LH57 49UF64 49UH60
|
Blue image | The problem arises due to the lack of silicone in the LED strips. | Check and replace LED lines | Andreas |
| LG |
49UH60XX 49UH61XX
|
No backlight, dark display, white spots in the image. | Problem with the LED strips, replace the LEDs | Andreas | |
| LG |
32LH550B-UA 32LH570B-UC 43LH5500-UA 43LH570A-UE 43LH5700-UD 49LH570A 49LH5700-UD 55LH5750-UB 55LH575A-UE
|
When it is connected via the RF input, and if it turns on and off, tsound is no audio. | Atualizar para simplesmart-atsc-m2-builds-agrafe-m2-16-03.00.21- usb_v2_secured.epk | Andreas | |
| LG |
19LU55-UB 19LH20-UA 22LH20-UA 22LU55-UB 26LH20-UA 32LH20-UA 32LH30-UA 32LH40-UA 37LF11-UA 37LH20 37LH30-UA 37LH55-UA 42LF11-UA 42LH20-UA 42LH30-UA 42LH55-UA, 47LF11-UA 47LH30-UA 55LH40-UA EAX56738102/3 EAX55729301/2
|
No image, red on/off LED blinking | This problem originates from the mlcc capacitor. remove capacitor from circuit. | Pcb:eax55729301/2 remover c848; pcb:eax56738102/3 remover c755. | Andreas |
| HISENSE |
LED46K660X3D RSAG7.820.5079
MSD6A801 |
Wifi doesn't work | Check n20 (usb2514-aezg) | Andreas | |
| HISENSE |
LED43EC520UA
|
Turns on with the logo and, shortly after, the display turns gray. all buttons on the remote or TV do not work. | Check ic 24c32 eeprom, remove from circuit, erase and replace | Andreas | |
| HISENSE |
LED40T28PK RSAG7.820.2191
|
No image in vga mode | Check vga input (input) resistors r147, r188, r189, r190, r191, r192, r194. | Andreas |