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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGBN44-00427A BN44-00428A BN44-00475A BN44-00476A
Error code 2Check fuse fp803s (2at) high resistance, replace. mosfets qm802s and qm803s (mdf9n50)Holmes
SAMSUNGBN44-00427A BN44-00428A BN44-00475A BN44-00476A
No function witches with a loud noise from fp801s and cp813Check cp813 (220pf / 1kv)Holmes
SAMSUNGBN44-00427A BN44-00428A BN44-00475A BN44-00476A
No functionCheck transistors q802s, q803s (both 2sk2640) and fuse fp803sHolmes
SAMSUNGBN44-00427A BN44-00428A BN44-00475A BN44-00476A
No functionCheck qm802s(mdf9n50), qm803s(mdf9n50) and diodes dm804 and dm805Holmes
SAMSUNGLN40B530
Doesn't startFuse fs801s, qp801s, qp802s, place 01 4k7 resistor on the IC sem2006 pin to pin 23 of the inverter on/off connectorreginaldo moronte,eletronica junior caldas novas
SAMSUNGUN40EH5000G
Doesn't startNo standby voltage, primary ok, secondary not okDm858 schottky diode shorted, replace. you can place the sb3200 which supports up to 200v, the original is 150vRoni Augusto Gass
SAMSUNGUN40EH5300
This TV turns on normally after some time of operation, turns off and turns on again, that is, it keeps restartingThe cause was the smart wifi modulenaelson silva gravata pe
SAMSUNG LT22B300
Plugs into the socket, does not come out of standby, neither on the control nor on the touch. measuring the board voltages, all normal.This TV uses a touch keyboardReplace the touch, only use a new touch, used from another TV, only when removing it becomes a short. or use the entire frame.Ev antunes
SAMSUNG HOME THEATERHT-P50
DVD
Stopped callingResolutionWilson
SAMSUNGMM-C530D
It works normally, but if after some time you turn it off and on again via the keyboard it doesn't work.2sc11 capacitor on the p_sense line at the power supply outputJose Almeida Tavares
SAMSUNGLN40C530F1M
TV doesn't turn on. stand by LED on, power supply without secondary voltages, only 5v stby.I was going to change the power supply board, but I noticed several spots of oxidation.Cold solder on the qm852 transistor close to the power supply connector.Alexandre Oliveira
SAMSUNGUN40H6203G
Decrease the current of the LEDsReplace r9009 of 5w 0.1r with two resistors of 0.68r and another of 0.33r of 2 or 3w in series was what I had on hand the current dropped from 43v to 38v calculated the two resistors will give 1.01rThis email address is being protected from spambots. You need JavaScript enabled to view it.badri eletronica
SAMSUNGUN40H6203G
Burned out ledsReplace r9009 of 5w 0.1r with two resistors of 0.68r and another of 0.33r of 2 or 3w in series was what I had on hand the current dropped from 43v to 38v calculated the two resistors will give 1.01rThis email address is being protected from spambots. You need JavaScript enabled to view it.badri eletronica
SAMSUNG UN40H5103AG
Flashing white imageV with ci ug1 heats up cap cd 01 in short.EletrĂ´nica lelo
SAMSUNGUN40EH6030
SERIE B
Restarting or the logo appears and turns offChange 1.5v regulator ic202 main boardRestarting or the logo appears and turns offcentral audio e video
SAMSUNG UN43RU7100G
Turns on blue image sound in a few seconds turns offTo find out if it was an LED, disconnect the power supply cable from the main board, turn on the LEDs, they lit up, discard the power supply, ok on the main board, the fuse code y was open, I changed it, I turned on the TV, it burned out, I went to the display and found a shorted SMD capacitor on the ruler near C112 CH7 10UF 25V SMD I replaced it with another one, it came out short, I changed the fuse and it didn't burn, the TV worked normally, the imageResolvedAndre
SAMSUNGCL 21C650 ML
With sound and no image dark screenDz 206 de ya.1 vReplaceEletrĂ´nica Mauro Mascarenha - Parazinho Ceara - Tel : (88)981422821
SAMSUNG LN32D400E1G
No video, back light onShorted smd capacitor on the v-com board (cd 31)Emerson lima
SAMSUNGLN32B530P2M
No sound from speakersSoftware errorEnter the service menu using the following sequence: with the TV in standby mode, enter the following sequence: (mute+1+8+2+power) enter the settings and look for the headphone and if it is 1, replace it to 0.Lucas
SAMSUNGUN49KU6500 AG
CURVA
Broken screenIt fellReplace the screenPablo