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 |
|---|---|---|---|---|---|
| PHILIPS | 32PFL3008D/78 | Turn on LEDs but the screen does not show an image. Then turn off the LEDs | Cause of the memory defect with poor contact and just remove it from its place and clean the place and then replace it again and go for the hug.. | Diego lima. nova TIMBOTEUA para | |
| LG | 32LD650 42LD650 42LW5700 47LV5500 | Normal power supplys.does not turn on, with LED flashing slowly or with colored outlines in the image or with thick lines in the image.metallic microprocessor with loose pins.remove heatsink.protect parts around the micro with adhesive aluminum tape.with thermal blower at 300 degrees , heat the computer for exactly 90 seconds. After it cools down, replace the heatsink. | With this procedure and due to the high cost of the new board, it was possible to recover several boards with perfect functioning. | gesuino | |
| SONY | KDL40R485 | Turns on and off and the LED flashes 5x | Change all the smd ceramic capacitors that are on the 17.5 line on the screen board | Replace all the smd ceramic capacitors that are on the 17.5 line on the screen board | ALEX LOPES |
| CCE | 29USP | Tracks on the left and right sides increase the sound, the tracks increase and waddle | Power supply+b without image 120v with image drops to 110v normal power supply has to give 130v | Replace r812 and r813 replace both | EDUARDO TV AV |
| PHILIPS | FX50X/78 | The LEDs turn on, the display does not light up and it does not work | Smd diode s7 short | Replace with a fast 1n4937 power supply diode | Dj Velk |
| SAMSUNG | UN32F4200 | TV kept restarting several times looping.. | I did a reflow on the main board processor...2 minutes 300 degrees on the blower...it worked normally | Fábio Fabrício | |
| LG | RP 14CB 20A | Washed screen, very clear and matte image, normal audio. | Sparking in the tube socket. | Socket replace, focus adjustment. | Geraldo de Petrópolis |
| LG | 42LS5700 | Turns off intermittently | Damaged LED on the bus | LED replacement | Diego Boeira |
| ELETROLUX | MEF41 | Doesn't start. | Does not turn on changing resistance r104. | Replace resistance 510k (r401) | Fbs eletrônica |
| LENOXX | CA310A BOOK-310 | It doesn't turn on, nor do the LEDs. | On-off switch, it switches to ac but not dc. | Even if the ac switch switches, if the dc switch does not switch, the +5, -12 and +12 power supply to the front PCI becomes dead | Renasoft |
| QILIVE | Q.1892 17MB82 | The LED blinks but it doesn't work | Software update to version v.0.8.4 | See this topic: vestel 17mb82 firmware update procedures: 17mb82 service manual< /a> | Mário Silva |
| PHILIPS | 14PT414A/78 | Tsound is no image in the av just the sound | Diode | 6116 diode shorted | Edinaldo |
| AOC | L22W731 | Standby turns on, turns red. When you activate the LED it turns blue, turns off and turns red again | Capacitor power supply c930 | eletronicapauly | |
| LENOXX | 2100 | Burning power supply regulator | Capacitor 681 by 2kv (blue) with leakage | Replace cq0765rt e capacitor 681/2kv | bse eletros |
| SEMP | DL3944 | LED burns out frequently | Check if r707 (10k) is altered, replace with 18k resistor | FerTev | |
| PHILIPS | 32PFL3403/78 | Does not turn on or stand-by | Main board. | This defect is misleading because the main board that activates the power supply board relay activates the 3.3v from the ps-on. After checking the entire power supply board and finding nothing, I decided to test the main board and that was the defect. As I was already angry, I didn't even try to fix the main PCI. | Multimídia |
| PHILIPS | 32PFL3403/78 | Turns on standby when activated on the control, turns on and then turns off | Defect in the backlight board, the TV turned on and off and went into protection | Replace of 680μF 35v capacitors c2 and c3. and f1 8a fuse | Multimídia |
| ORBISAT | S2200 PLUS II | Turn on the TV and get a black screen in RF and AV | After much suffering and changing several components, I discovered D102 open, on the multimeter it shows good. | Replaced diode d102 | ELETRONICA KLEIN |
| CCE | 2971 | It turns on by turning on the key, the stand bay LED lights up, but when we press pawer the LED goes off and then turns off, remaining in stand bay mode again | Q 804 (bc 337-25) defective | Replacing the q804 (bc337-25) TV was ok. | Rdo Antônio Acre |
| PANASONIC | RJ 305 | Image does not appear | Image does not appear |