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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGPL43F4000
Does not turn on does not light up standby LEDIc806 next to CN801 3v regulator heating up, it was replaced by a 3v regulator taken from another boardGOSPELBRITO
SAMSUNGLN32D550K7G
With horizontal stripes / blurred imageMemory error, flash memory defectReset with quick on and off on the TV or updating the TV softwareGbrito
SAMSUNG CL-21Z43MG
Burning horizontal outletLoud and varying power supplyD408 (cr406s also causes a similar defect)ALLEX ELETRÔNICA
SAMSUNGLN26C450C4M
Completely stopped, with voltage on the power supply's secondary and does not oscillate, it was seen that the power supply does not double the secondary voltage, it should have 380 volts and was reading 170 voltsRm 890 open 3r resistorBarter itAlex Lopes This email address is being protected from spambots. You need JavaScript enabled to view it.
SAMSUNGUN40F6400
Customer said he used air to clean, probably resulting in cold weldsI resoldered the entire power supply board, I replaced the 2 capacitors next to the 390uf/25v power supply output, I placed 2 of 1000uf/25vAfter all this I still needed to inject 13v into the power supply output after that the TV turned on and tsound were no more problemsPetrukio
SAMSUNGCL 14C600KJM
KSCB
LED blinked continuously, plus b with 50 volts.The cause was the faulty dz 808=5v1.Eletronica Melo-Boa Viagem-Ceara
SAMSUNG 4KUN49NU7100G
It doesn't turn on, just intermittent blinking standby.Defective main board shorted processor.Replace of it. *note. Swap for the same reference as the main board, if it's not the same it won't work.JC Eletrônica Cícero
SAMSUNGUN40EH5000
Does not turn on, main boardCap 47/250v power supply burst, pifa ic1201 icwt61p805, and ic202 reg 3.3vReplace cap 47/250v even if it is good, replace ic1201 and ic202 on the main board. obs ic 1201 comes in the device version, this defect occurs in all models in the line.Gabriel GXP
SAMSUNGUN48H4203AG
Good plates and blacklight on, but no imageCk5 next to ick1Remove ck5 carefully...Mauricio - FOCONET Salto
SAMSUNG UN43RU7100
TV continually turns on and offCapacitor next to 109 on the vcom board stuck tsound display shorted and fuse y on the main PCI openMoaci Machado eletrônica
SAMSUNGUN XXEH5000
Does not turn on, main boardIc 1201 curto wt61p805, ic202 curto reg 3,3v 1g1sReplace the 2 ic, obs you have to buy the ic 1201 programmed for the version, this defect can cause line eh, and line es.Gabriel GXP
SAMSUNGUN50TU8000G
Turns on and off briefly, backlight flashes and turns off, staying in this cycleScreen defect, if you turn off the flat of the smaller v-com you will see that the TV stops turning on, if you isolate some tracks with tape (on any side of this v-com) the TV stays on, but always a smooth screen.)Claudio Jorge Eckert Junior
SAMSUNGUN43TU7000G
Turns on display without characters and turns offShort displayI isolated the first 5 lines of the flat from the screen plate and it resolved, it was 100% not in the white flat, but in the brown flat that connects one to the other.XANDARE
SAMSUNGUN50TU8000G
Turns on the screen with no image and turns off blinks twiceScreen shorten the smaller side of the ruler screen driver solar solution from 4 to 6 with durequis tapeI know part pro abrasoAntonio alvis
SAMSUNGUN46FH5003
The power supplys are compatible with the exception that the power supply current is b13 volts in the un46fh5003 model power supply It is a 12.8 v / 1.3a power supply and the un46eh5300 power supply goes to 13v/2.2a... I thought it would work to take a risk, but it is at each person's own risk... I took a risk and it worked perfectly... note: the voltage for the LEDs is the same because the kits are compatible....MIGUELTV
SAMSUNG MX-D630/ZD
Low sound increases all volume remains low on both outputs2 electrolytic capacitors close to the IC IRS2092 of 10×1VEfram
SAMSUNGUN40D5500
After being turned on, it keeps turning on and off constantlyDamaged flashReplace the flash with a new one (recorded)Cinfell
SAMSUNGLN40B530
The TV turns on but does not activate the back lightTest the on off inverter trigger pulse, if when turning on the TV you have this pulse, deactivate the power supply connector wire (and pwm) on mine, I deactivated it and the TV started working normally, probably due to a fault generated by the main board ref. to this pin, despite the function, the TV worked normally.Alberi F S
SAMSUNGCL21Z58MQ
The LED does not turn on or light upR821 100k open, capacitor close to the flyback and 100uf /160v and horizontal output shorted tt2222 replaced it with a tt2170 it was goodGledson Cell
SAMSUNG LN32A330J1
Image appears and disappears quickly, normal bl-on pulseSolda fria no resistor smd no pino 4 do ci oz964.Cold solder on the smd resistor on pin 4 of the oz964 ci on the inverter board.Daniel Dega