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 |
|---|---|---|---|---|---|
| SAMSUNG | T27A550 | It turns on and off by itself, sometimes it stays on for a while but then turns off again. | Ic1204 - three-terminal smd on main board. | Replace ic1204 by removing it from another samsung tv. or replace it with a 3-terminal smd diode - bas21. | I.G |
| PHILCO | PH39E53SG | Doesn't start | Regulator u203=tps54319 | I took it from a scrap board and it was fine | joao bosco gomes |
| PHILIPS | 42PFL3507 | Negative image and retraces | C244(10µf smd) em curto na v-con | Replace c244 | Eduardo Fonseca |
| SEMP TOSHIBA | DL3945I(A) T390XVN01.0 | Normal connection, without image, with audio without (video) | Ruler v-con "open" smd diode d204 | Replace d204 diode | Maike SR |
| SAMSUNG | HT-DS100S | Went into protection and turned off | Voltage regulator aic3-1, ka7912 shorted | Replacement | Aurelio Machado |
| SEMP | 2134 | LED turns on and off +b 170 and resets | R633 220k | Replace resistor 220k | eletronica carlos viseu PA |
| PHILIPS | 40PFL3707D/78 | Won't turn on without 12v and 24v | Q903 open smd emitter collector close to the photocoupler | Jammed collector and TV transmitter started working again | LUIZ CONSERTOS |
| LG | 50PB560B | Turns on normally and turns off after a few hours | Replace all smd photocouplers el817 with leakage, q606 - d1347c, q301 - c3198, q502 - c3207y with leakage, d303 - uf4007, d304 - 1n4007, zd303 - c10v all bad with leakage, c308 and c609 - 100uf 50v with leakage ,c809 - 22uf 50v bad | I replaced all these components, the TV didn't turn off but the problem was resolved | andre |
| PHILIPS | 32PFL3008D/78 TPS10.1L-LA | The LEDs turned on and off. The Philips logo didn't appear and it already turned off | Corrupted memory data | I re-recorded the data with a recorder, copy the data from another TV like it | rogerio.sc |
| LG | 49LJ5550 | After changing the main board, the TV has no "Portuguese" language. | TV is set to "Honduras" countries | Replace area code in service mode to "26895" | rafaelmoraes99 |
| LG | 14SB1RB | Vertical closed | R311 open, scheme marks 27k. but on the television it is 38k. | Replace r311 of 38k and run for the hug! Just remembering, this vertical outlet works very hot. It's normal. | Carloscte |
| PHILCO | PH32U20 | Doesn't even turn on the LED (12v power supply keeps pulsing) | Dp 202 smd diode that is below the open ffm107 power supply fet heatsink | Replace it in my case I put a fr104 replace it without measuring | orlando lott |
| CCE | L244 | Power LED does not light up | Q5 d476 ou d4186 | Q5 d476 ou d4186 | ASL ASSISTENCIA TÉCNICA TONINHO |
| LG | 42PJ350 | Stand-by turns on and off, all normal voltages, missing voltages va and vs | Ci l6599 defective | Substituted | roberto costa( rca eletronica ) maceio al |
| SELENIUM | SPM1502A ACTIVE | Twitter sound is harsh, noisy, distorted | Zener diode zd 101 5.6 volts open, sometimes the sound normalizes, remove it from the place as it is usually broken, hence the bad contact. | Zener diode zd101 5.6volts, put 5v1 and it was fine | fabiusmax |
| PHILIPS | 20PT529A/78 | Tv arms and disarms | T7408 =bd135 with open collector | Replace it with another and run to another | Antonio Carlos (Eletrônica Renascer) |
| PANASONIC | TC21FX32L | It turns on with the screen reduced, as if it were a horizontal defect, and sometimes it turns on normally and then turns off, and to turn it on you have to wait for it to cool down | Replace d872, zener 8v | DJ PITUKA | |
| LG | 42LC4R | No image - backlight off | C708 de 1uf x 400v no inverter | ||
| SONY | KDL-46W5100 | The green LED turns on for about 5 to 10 seconds, turns red and flashes 6 times | Disconnect the two connectors on the motherboard and japea the st by 3.3v with the power on and on the other japea connector the black light with the heter on and the lights will light up if they light up the defect will be the motherboard | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| LG | 42LE5500 | When turned on, it gives a long beep, arming the power supply, but with no audio and no image | C8030 shorting the 12v line | Replace c8030 | duc40rj |