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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNG PL43F4000AG
Strange image with red dots3r3 resistor r4063 on the power supply board below the capacitor c4113 below the letters rt seen from aboveFree electronics tip, tsound’s a YouTube channel!Rodrigo cofferi
SAMSUNGLND550K1GXZD
Image washed with vertical stripes.When releasing the v-con flat, one side of the image appeared. on the flat that you released, isolate the tracks with a piece of tape or similar tape and reduce the width until you find the short.Kezio
SAMSUNGUN39FH4205/5205
When you plug the TV into the socket, the LEDs blink and it doesn't turn on.Ic 201 shortEletronica Mirage
SAMSUNGUN50F5500
Does not turn on, LED keeps flashingC270 short (motherboard)ReplaceMaurilio
SAMSUNGLN32B530P2M
Does not turn on with constant LED flashing.Cm852(1200mf/16v) inflated and measuring 349mf at the power supplyAdemir tc
SAMSUNGUN40B530
Backlight going out, works intermittently.One of the bulbs was bad.I completely resoldered the power supply and left it for testing, but the defect remained. The solution was to disassemble the panel and test each lamp separately. One had a problem, I replaced it and the TV didn't come back on.GABSENS
SAMSUNGUN40F5500
Flashing backlight after replacing the LED bars.Aluminum bar shorted to the housing.Check each bar with a backlight tester, placing the black tip on the aluminum back and the red tip on the positive side of the LEDs, the one that lights up is causing the problem.GABSENS
SAMSUNG CL21C650ML
Rainbow lines at the top of the screenCi la78045Sometimes it's the c304 capacity, but that wasn't the case!Wanderson
SAMSUNG CL14C600KJ
KJ
Does not turn on, when plugged in the stand-by turns on and off the +b drops to 0Diogo zener 813To replaceEdval
SAMSUNGUN32FH4003
Does not turn on, nor does the STDBY LED light up, power supply inoperativeShorted dm858 diodeDiode replacementTestoni
SAMSUNG UN58RU7100G
VERSãO DA02
TV turns on, gives sound and lights up screen and doesn't show imageFuse y, open, next to q221 (sftp4435mp) on main board bn94-14197fReplace itSANTOMEL
SAMSUNG CL 21K40MQ
KS9C
Without image but with characters. with soundR423 aberto prox ao tsh (flyback)Ricardo Silva
SAMSUNGBN44-00357B
Power supply inoperativeCheck replace fs801s, fs802s(6,6a); db801, db802 (1n4007); icb801 (ice3br0665j); rb802 (0.7ω); ZDB801, ZDB804 (12V/250MA); icb801 (put 2 1n4148 diodes in parallel)Electrohd
SAMSUNG PL60F5000
Doesn't startC5162 with leakOsmar
SAMSUNGLE32B530P7
BN44-00260A
Does not turn on, LED is offRp820 shorted, cm852 and cm876 changedReplace componentsLouritronica
SAMSUNGUN40J5200
Turns on with flickering backlight and no image, no plot, no audio and no remote control or keyboardWith the power supply disconnected from the main board, the LEDs light up normally. dc dc converter 3.3v on the main board smd capacitor position c2010MIGUELTV
SAMSUNGPL50C7000
Turning off by itselfCold solder on the power supply board.Check and redo all cold welds at the power supply.Arnoltec
SAMSUNGUN50RU7100
TV stopped, main board badThe replace of the sameNormal power supply, but the main board is bad. note; pay attention to the code on the label that is on the board, it has the same code, if you put another one with a different code the same will work, but without an image, in my case the code was bn94-14756aAlex Lopes <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
SAMSUNGUN46F6100AG
Does not light LEDs,T con board, releasing the flat cable that connects the main board and t con, the LEDs light upT plate replace withGabriel GXP
SAMSUNG UN55KU6000G
It doesn't turn on or the standby LED lights upFaulty capacitance in the secondary power supply on the 13v line. when disconnected from the motherboard the LED bars lit up normally, when plugged into the motherboard the voltages disappeared remaining only 8.8v wsound it had to be 13v making it impossible to functionReplace the 4 25v capacitors with 470μF in positions cm858, cm857, cm856 and cm855. then it will work normally againFrancisco Melo eletrônica M.F