TV Repair: Common Faults and Solutions.
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Results: 87436
Results: 87436
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PHILCO | PH42M30 | Stand bye LED lights up dimly and doesn't turn on | Ci regulator 3.3v n805, measuring 2.5 volts | Replace | HP ELETRONICA |
| TOSHIBA | U11 | It turned on with a white screen all normal voltages when I lowered the screen the screen was blue but without any type of character just a little sparkle next to the blue | Memoria eprom | Good luck (edfesom) | Edfesom |
| LG | 21FJ6RB | When connecting the TV to the socket, the stand bay LED turns on by pressing the TV Video button, the stand bay LED turns off the relay, but it does not generate high voltage | Breastfeeding, fr 403 | Replace the r835 from 2k7 replaced to 8k and also replace the fr403 from 1r2 open and the TV will be working. God be praised! | Sinailson furtado |
| PHILCO | TPF2922 | It doesn't turn on, the stand by LED keeps flashing, | Replace cap ,c927 ,2,2x100v e c943 10x100v | DJ PITUKA | |
| LG | 42D460 | Does not turn on - normal power supply, killing the 3v5 when connecting to pci main | C519 shorted on the main board. | Remove c519 | duc40rj |
| SAMSUNG | UN32D5500 | Restarting itself after a while on | Nand flash memory - ic1302 (main board) | Swap nand flash memory. It is necessary to save the firmware in memory or buy it already saved. | I.G |
| SAMSUNG | CL21C551ML | Plate or cushion defect | R 411 82k gray red orange | AIRTON PARAIPABA CE | |
| PHILIPS | 47PFL4007G/78 | Takes time to exit standby | 3v3 regulator changed on the main board code: u701- reference: g1084-33 | Check its output, as in the test it is good | Ceará |
| LG | 14SB1RB MC059D | Normal image and sound in the av, but in the rf tsound is only a squeaky image and sound. | A mini capacitor changed position: 506, colors: orange, red, red =0.22uf giving 0.8uf | Capacitor position=506 on the board, replaced | JOCIMARIO OLIVEIRA |
| SEMP | TV2934 BSL | Doesn't start | C-318 | ||
| LG | 32CS460C | It turns on immediately and turns off quickly, returning to standby | Poor contact flat cable that powers the main board | Remove the cable, clean it with contact cleaner and replace it | Eletrônica Possamai |
| SEMP | TV2123(0)FSU-19 | When turning on the TV, a very faint black bar appears dividing the screen in the middle | C448 | Replace the 33µf/160v c448 | Sinailson furtado |
| SEMP | TV2123(0)FSU-19 | Black spots appearing on the left side of the screen | R442 | Put a 4.7r resistor in place of the r442 and the TV will work normally. God be praised! | Sinailson furtado |
| SEMP | TV2998 LEM5 | Works with a reduced screen, like a square in the middle, 10 inch screen | Swap rd04 next to dodo qd01 | DJ PITUKA | |
| SEMP | TV2050MAV U17 | Does not turn on only on standby | Replace diodo zener d431 ,9v1 | DJ PITUKA | |
| SEMP | TV2998 | Does not turn on, only on standby | Replace zener diode d432, 16v in the secondary power supply | DJ PITUKA | |
| PHILCO | PH42M61DSG | Turns on, the philco logo appears and then it gets stuck at the message "initializing, please wait..." | 3.3v regulator (n105) changed with 1.7v only. | It appeared to be a software defect, but the nand memory had already been replaced and the defect continued. | MLTOLOI |
| BUSTER | HBTV-32L05HD | Stuck on usb function | Capacitor c971, on the remote plate, shorted. remove it. | Eletrônica Cecé. Brumadinho MG | |
| LG | RP20CC25 | It doesn't give an image through the varicap without 30 volts | Zd103 | Replace without measuring the zd103 and the TV will be working. God be praised! | Sinailson furtado |
| SAMSUNG | UN46F5500 | Defect in standby 5v dropping when turned on. | Change ds804 diode, resistance changes. | Replace ds804 diode. | TV CENTER GUAIBA |