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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGUN40EH6030G
It doesn't turn on, and when it does, it turns off right away.Transistor do POWER ON.To test if the regulators are good, just release the Power On wire from the harness and see if the regulators on the board are working, if everything is working, without the power on connected the TV has to turn on, if it turns on and works perfectly, You have to analyze if it is not the Power On command transistor, tsound is one on the power supply and tsound is one on the main one, in my case, it was the bad main one, it is in position Q203, between the HDMI and the Optical Audio, just replace it and receive the Pix.Eletrônica ATM
SAMSUNGLN32C530
Does not turn on - st-by offVoltage enters regulator IC205 and tsound is no v-out, capacitor c268 is shorted.replace..Maurilio
SAMSUNGUN32F4200
bn44-00604a
replace LEDs reducing LED currentbad ledsa remove the 3.6r 2w r9110 and replace it with an 8.2r 3w onereplacing the resistor to reduce the LED current and increase the last lifeorlando lott
SAMSUNGUN46F5200
CURRENT REDUCTION LEDSremove smd resistors r9109 and r9210reginaldo moronte,eletronica junior caldas novas
SAMSUNGUN40H4200AG
Does not turn on, standby LED flashes 6x backlight offQ211 3.3v regulator had 2.2v at the outputMACIOTI
SAMSUNGLN37C530F1M
turning off when programming channelssoftware problemEven after updating, the defect persists. You can try going to the option function (service mode) in DDR leaving it at two and in Sub optiom in the support function lna leaving it at 0Marcos Paulo Infotron-ltda
SAMSUNG PN43H4000
picture, blurred, negative, drizzle vs normal voltages, va and vscQ 5010 (sun 0550) with leakage plate and itsreplaceHndrsn
SAMSUNG UN50MU6100G
TV turns on backlight but no picture comes out, tsound is audio.Medir Q210, enter 12.5v and you know 12.5v.replace Q210 (4435) was inputting 12.7v but outputting 11.5v. The Q210 got very hot. It looked like an LCD defect.Joaomvjr
SAMSUNGUN50TU7020
CY-BT050HGPV1G
doesn't startMAIN BOARD DOES NOT TURN ON SUPPLY OKJOÃO GAIA
SAMSUNGLN32R71B
GBD32ML
With picture on HDMI and sound showing hissing noiseI checked for a short in the STV8257 audio processor, found the capacitor C6015 (SMD 10uF/16V) with low insulation measuring 32 ohms, replaced it and the audio returned to normal.Erick Geraldeli
SAMSUNG29K40MQ
does not oscillate horizontallyr425 1k resistor replacementreginaldo moronte,eletronica junior caldas novas
SAMSUNGUN40D5003
BN44-00473A
Standby LED blinks and does not turn onReleasing the cable that powers the main one activates the backlight and the power supplys, but it is the power supply board.Leaky QQ9101 transistor, backlight shield near the backlight connector.Easi
SAMSUNGLT27B350
Sometimes it works, sometimes it doesn't. Sometimes it turns on and off, displays the logo and turns off. The LED blinks twice five times.See Q202, transistor (marking \\\"1E\\\"), which is on the signal board, close to the socket that comes from the power supplyreplace itEasi
SAMSUNGUN55KU6000
Stand By Flashing and does not turn onDisplay defectFlat bottom plate main board - isolated more or less 15 tracks from bottom to top - Perfect picture without anomalies.Paulo Braz
SAMSUNGUN40K5300
Operating with noise (Cricket Type)Ripple on 12V supplyCM855 and CM860 capacitors puffed or with high ERS. Just replace them.LYRTON HORTA
SAMSUNGUN55MU6100G
Lower LED currentAfter replace the LEDs, make the modificationSwap the R9381 1R for an R 5.6h 3wMedeiros Eletrõnica Barbacena MG
SAMSUNGUN32FH5030G
DOES NOT TURN ON, MAIN BOARD SHORTS ARMING AND DISARMING THE PROCESSORC.I U701 SHORT AND STUFFERED BUTTON CAPACITORREPLACED THE C.I, BUT IT'S NOT ON THE MARKET SO I REPLACED THE BOARDServitron
SAMSUNGLN40B530P2MXZD
doesn't start. Fuse open.QI820 and QI821 shorted.I replaced the 2 with the TK8A50D and it worked normally.RYK
SAMSUNGPL43F4000G
Turning off by itself for no apparent reason.The thermal paste on the mosfets becomes very dry, so the heat generated by the mosfets does not pass adequately to the aluminum heatsink, the circuit current rises and activates the protection. solution, remove all the old paste and place a new one. This also applies to other plasma models.Ferraz
SAMSUNG40F5500
BN44-00645
power supplyS OF 12, 24 AND INVERTER ZEROZDS803 WITH LEAK, Tsound MUST BE 15 V AT THE KATODOZDS803 (BC SMD TYPE)15V LEAKAGE PLACES A COMMON 15VELETRONICA BRAMBILA