Search:
Results: 87573

Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPS29PT4631/78R
When turning on the TV on the remote, the LED goes off, but the TV does not turn onIn my case it was the transistor q7461 bc 337 and the q7463 bc 327 if you don't have these transistors put the bd 135 in the bc337 place and in the place of the bc327 put the bd136vitor
SEMPDL3244(A)W
Tv always dl3244(a)w back light off (solved)TV with back light off, defect in resistors r753 and r755, both 150k SMD, close to the LED connector, remove and clean, the glue starts to conduct.Clean glue from resistors r753 and r755SILNEI
TOSHIBA 14"
U15
Turns on with dark screen without image without sound without characters when the screen increases, the displey opens with return linesR413 - 3k9Just replace and get the farmiria.Eletrotião
AOCL32W931
When plugged in, the red LED lights up, when you press the power button, the red LED flashes twice and comes back on and does not turn on.Power supply defect, capacitors c593 and c594 exhausted.Capacitors replaced based on other tips sound on the site. After the replace it worked perfectly.Margutek.bva
SEMPTOSHIBAXB4351MP
Very low sound comes outLack of -12vReplace resistor r46 valor 410r 2wJORGE TV TÉC PARANÁ
PHILIPS32PFL 3404
TV turns on straight away, tsound is a loud whistle on the speakers with horizontal stripesOxidation around the microprocessorRemove the shield from the microprocessor and clean around it with a toothbrush, I used aqua raz solvedLaercio umuarama
PHILIPS 32PFL3007D
The sound turns on and the lights don't turn onYou oz9976So replace ci oz9976gnmiguel
SONYKDL-39R475A
Turn on, turn on the screen has audio but no imageTest pin 15 of the LVDS cable, if it doesn't have 12 volts, loosen the cable, increase it to 12 volts, test the capacitors on the TCOM board, with the TV upside down on the left side.In my case, capacitor 287 was shorted! But it could be something else nearby that was shorted.Rodrigo vipo
TOSHIBA MC-855MUS
Not reading cdI bought a soh-ad5 head unit from an electronics store, I unlocked the soldering ball, it didn't read the CD, I replaced it in the store, this second lens didn't read it, I thought it was incredible, I searched for an original one on the free market with the complete mechanism, I unlocked it, I put the CD in, it read it, Look at the difference, this type of device only accepts the original unitResolvedAndrei
PHILCOPH39F33DSG
Turns on normally for a few moments and turns off the black light, looking like burned out LEDsDefect on the power supply board u201 viper 17h = l = similarMACSOM
PHILCOPH21B
Off, when plugged in, the LED flashes, the power starts to generate and dies, then all you have to do is unload the caps.Transistor v553 2sc1815To replacegdp2
LG21FJ8RL
Break and cut. try breaking twice and turn off the LED. The Q16 was removed, the vertical was replaced and nothing.R816 and runs for the hug ................JK Eletrônica PE
LG50PG30TR EAX42062803(0)
Blurred and distorted image also applies to 42 inchesCapacitors c1038 and c1044 both exhausted 100uf 16vReplace them, common electrolytics fit.. if it doesn't work out, also replace the c1019 47μF 16vFlávio SBC, SP 11 947182971
PHILCOPH-24M LED
Without audio - 12v voltage, drops to 6.5vQ3, (fet ao3401 smd) shorted or with changes.Replace - for a new one preferably.Severino Silva
SEMPTV-2934
Low power supply, does not light the st-byTransistor q604 a1013 shortedReplace transistor q604 a1013jean alves
DYNASTY25241
Doesn't startBursting irgbCheck everything on the primary and secondary transistors, in my case it was low electrolytic on the primaryajm
PHILIPSLC424 1W
Does not arm the power supply by hitting the relayCapasitores eletroliticos c844,c843= 150x35v e 866,842=22x35vReplace without measuringArasonic
PHILCOPH21SS
The LED is blinking, and tsound are no voltages on the power supply's secondary, with only 34 volts on the +b.819 diode near shorted transformerReplace it, in my case it was just him and the TV returned to normal..Rafael
PHILCOPH51U20PSGW
Doesn't start, doesn't do anything.Without the 5 volts of standby, nor of the ps_on. (in this case the ps_on has 5v).Diode d901, q308 and q309 replaced.Josiano
CCE29USP
Expanded image ....( ).... stretched to the sides.Q407=PSD46Alextecnico