TV Repair: Common Faults and Solutions.
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Results: 87576
Results: 87576
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SEMP TOSHIBA | TV2122 U19 | TV with a line in the middle, and a vertical fold a little above the line with the rest of the normal screen | Changed smd resistor | I replaced the 16k resistor c301 with a 10k one and adjusted it in service mode in service mode | ELETRONICA MARANATA |
| PHILIPS | 42PFL3605D | No image with screen on and the 12v voltage on the display popping up even after turning off the lvds flats | 750k resistor (7503) close to the 1m20 connector that goes to the keyboard, but under the board | ADEMAR | |
| LG | 32LB3RS | Doesn't start | Does not have 19 vortis | Luis | |
| SEMP | 2091FAV U15 | LED turns on and off kills voltage +b 115 | Solution to replace ic301 vertical output stv9302a | jose da silva | |
| LG | 21FU4RL | When plugged into the network, the stand-by light came on, when the power button was pressed, the stand-by LED went off and 2 seconds later it came on again without turning on. | C311 sold out | Replace the same. | Edfesom |
| SAMSUNG | CL-21Z58MQ | League with characters and sound, dark screen | Re-record the eproom, search on google for a forum with a valid 4shared link | Lima Eletrônica | |
| PHILIPS | 21PT6458S/78R | Missing one of the colors i.e. missing blue missing green or red | Change all the RGB transistors that are on the tube board without testing | When changing the transistors, put new ones, and place it away from the board. | Luan LG Philips |
| CCE | HPS2971 | Turns on after a while turns off when it's cold the power supply keeps pulsing | C868 on the capacimeter shows normal capacitance direct switching | Component replacement c868 1000 μF x25v | BETO ELETRONICA ACRELANDIA AC |
| CCE | LK32G | Turns on flashes black light quickly and turns off | Eprom | Re-record | Eletrônica Possamai |
| CCE | LK42D | Blue LED is on but when turned on tsound is no image | I tested the LED bars without opening the TV, they lit up through the connector but I was suspicious and opened the screen, tsound was a bad LED in one of the bars | You have to open the screen, in some cases you measure without opening it, it lights up, but it only takes 1 of them to open or short out to activate the circ. of protection. | VICTORINO |
| PHILIPS | 29PT4635/78 | Jagged image when turning on and then off. | C2455 dead | Replacement | Delfran Eletroeletronicos |
| LG | LHD 625 | Going into d-protection | Diode d 981 type tip shorted | This email address is being protected from spambots. You need JavaScript enabled to view it. | badri eletronica |
| SAMSUNG | CL21Z43MQ | Does not turn on, standby LED power supply is off, | Just change two electrolytic capacitors near the power supply regulator, 10x63 and 33x50 | DJ PITUKA | |
| PHILCO | PH21USA1 | Vertical closed | Ci vertical stv original | Tda8172 substitutes | eletronica mauri junior |
| SHARP | LC 46R54B | Power led flashing. sequence 1. | Shorted transformer of the inverter slave board. | Activating restart mode (input and volume - pressed, connect TV to power) TV turns on and goes into protection. | Diego Boeira |
| SEMP | TV2134 SK11 | It doesn't turn on, it makes a noise like it's going to turn on but it doesn't turn on... | D306 (ba158), leaves vertical voltage 0, c329 screen was too bright. (4.7x250v) | Replaced by fr105 diode | Edson Gomes |
| PHILIPS | 32PFL3008D/78 | TV only turns on the black light and turns it off | Flash memory | Remove the memory from the board, clean it and return it to the board, this may solve it, if it doesn't, replace the memory. | DJ João |
| SAMSUNG | LT27A550 | Stand by LED flashing red and does not turn on | Dm851 on power supply board shorted | Replace the same | Deivid Vanzuita |
| PHILCO | PH21M PH21M | Turns on vertically closed then turns off/on and when working turns off LED keeps flashing | Cold solder on pin 3 of ci la78 141 this pin is the one that goes directly to the deflector | After resolving it worked normally | LUIS VICENTE |
| LG | RP14CB25A NC-059A | Does not turn on completely off | F801, r806, ic801 all burnt out | After replacing them, the device turned on and worked normally | AssisTec |