TV Repair: Common Faults and Solutions.
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Results: 87616
Results: 87616
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| BRASTEMP | BWT45 | Does not activate Magnetron | Does not activate Magnetron | ||
| LG | 32LD420 | Restarting | Retighten the terminal connectors connected to the power-on line wires | Note: start with the blue thread. | Medeiros Eletrõnica Barbacena MG |
| SEMP | LC-4247F | Tsound was no standby and it did not generate 5v at the power supply | capacitor replacement (c844) I put 47/63 but it didn't work | the defect was resistance (r852) value 3.3 now and just run for hugs | ELETRONICA DJ |
| SEMP | LC3246(KK)WDA MSD209 | LED STANDBY ACCESS ORANGE DOES NOT TURN ON | N101 VA1G5BF8012 5V LINE SHORT VARECAP | REMOVER VARECAP | alexandre felipe |
| SONY BRAVIA | KLV-40S510A | inoperative, does not turn on or come on standby | I replaced the ci that regulates 5v (mip2h2), I replaced the photocoupler and the capacitors still didn't work, the defect was a 6.8v resistance below the relays | the 6.8 resistance was replaced in the (r6016) position, problem solved!!! | eletronica dj |
| PHILCO | PVT40E21DSWN | Backlight blinks, picture blinks, LED blinks | In tests on the PCI LED drive, R0B5 of 200k SMD was found next to L0B1 | Only the two wires outside the board connector that power the 3 LED bars | You tube - Direto no defeito |
| PHILCO | PVT40E20DSGWA | Backlight blinks, picture blinks, LED blinks | In tests on the PCI LED drive, R0B5 of 200k SMD was found next to L0B1 | Only the two wires outside the board connector that power the 3 LED bars | You tube - Direto no defeito |
| SEMP TOSHIBA | 2051 NAV U18 | TV turns on normally, but with a hissing sound in the font, it appears to be in the flayback | Is tsound a dry or leaking capacitor, check c865, c448, c435 and C864 | In my case it was the C864 with low SR | DTECeletronica-Massapê-ce |
| SEMP TOSHIBA | 2051 NAV U18 | TV turns on with a line in the middle of the screen as if it were vertical and shaking as well as shrunken on the sides | When measuring +B it was at 73 volts and all voltages were half | replace photo coupler or strw of the primary power supply, in my case it was the strw leaving the voltages low, I made the replace and the TV returned to operating normally | DTECeletronica-Massapê-ce |
| LG | 22LH20R | No picture | Disarmed IC protection IC301 With a 10k resistor pin 3 to GND | Disarmed IC301 R10K pin 3 to GND | Panther Tech |
| LG | 22LH20R | No picture | Disarmed IC protection IC301 With a 10k resistor pin 3 to GND | Panther Tech | |
| SEMP | 1454(P) SL | TV closing picture with black band on top and bottom | The cause was the 39k resistor in position R210 and the capacitor c217 | Just swap them and it will solve the problem. | AssisTec - Manari/PE |
| SEMP | 1454(P) SL | TV closing picture with black band on top and bottom | The cause was the 39k resistor in position R210 and the capacitor c217 | Just swap them and it will solve the problem. | AssisTec - Manari/PE |
| PHILCO | PH28N91D | TV doesn't turn on, only on standby | U3, 1.8v regulator measuring 1.5v | When turning on it has to give 1.8v and drop to 0, while running away it maintains low voltage. | Beto,Eletrônica Box 4 |
| LG | 42LN5400 | Random off/on | Cap 1u500 has a 1688 cap with other good parameters | replace | Warley cesar |
| PIONEER | CDJ200 | Does not appear on screen | Out of nowsound the blackout on the screen | MBM | |
| HAIER | HR50U3SDK1 | no picture | c83 with tcon leak | replace or remove. | anselmo |
| SAMSUNG | LT27B350 | Sometimes it works, sometimes it doesn't. Sometimes it turns on and off, displays the logo and turns off. The LED blinks twice five times. | See Q202, transistor (marking \\\"1E\\\"), which is on the signal board, close to the socket that comes from the power supply | replace of the same | Easi |
| JBL | BOMBOX 1 | Does not turn on or charge | Short in charging IC, causes damaged charger wires | C.i on load pci U17 and R204 4.7R | Medeiros Eletrõnica Barbacena MG |
| PANASONIC | TC-L32C30B | turning off | replace resistors R7830 and R7829 from 470r to 1K | oskarala |