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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGNG32ND450S
Nor etc. mortarReplace 3v3 regulator, smd sot23, it is on the 5v coil side, the board only has 5v and 12v.joaomvjr
SAMSUNG55MU6100G
Y18-Q7F 49"
Backlight turns on normally, has sound and no image. display voltage of 3v3 with 2.5 and without the display voltages voff, von, vgh, vgl...I don't know the cause of this problem, but the customer reported that the TV stopped after a strong storm...Fuse f223_ut open on the main board close to the power supply connector. Be very careful when analyzing because these models give a lot of defects in the display that have the same symptom, so it could be a simple defect in the main one and end up making a mistake and condemning the display. always analyze carefullySV Eletrônica
SAMSUNG PL43F4000AG PL51F4000AG
Sometimes it turned on sound and image: and sometimes it just stayed on stand-byProtection triggeredRemove the two transistors from the pci f type (bc) that provides protection and that's itAirton Filgueira
SAMSUNGCL21Z50MQ
Cushion defectD408 shortedAIRTON. PARAIPABA CE
SAMSUNGCL21Z58MQ
Doesn't start. standby flashingC 846 100mf x 25v com esr elevada.NEW PEK ELETRÔNICA
SAMSUNG UN32EH4000G
With normal audio, black light access and no plot (absence of image).Smd c14 capacitor with leak on pci vcon. causing absence of avdd 15vcc and vone 28vcc power supply.Replace smd capacitor with another equivalent, which can be 10μFx35vcc(jm).Eletrônica JM
SAMSUNG UN43J5200AG
No image, backlight onCapacitor changed on the v-com c003 boardJust remove the aforementioned capacitor,Emerson Lima
SAMSUNGCL 21Z50MQ
Inoperative, with voltages pulsing.R 821 of 100k open is close to the fly backReplace.Ferraz
SAMSUNGLN40D503F
Tsound is sound but no image, the lamps don't light upThe cause was the r1815 is close to the pc803sJust replace and run for the hug post your tips sound too help to be helped oknaelson silva gravata pe
SAMSUNGUN55C6900
Does not turn on, relay knockingArming the power supply outside, the pfc circuit worked but the 12v was not generated.Qm851 replacedLucas
SAMSUNGUN55D8000
Intermittent on and offDefective led barStiltec
SAMSUNGT22A300
Does not turn on blinking stand by ledPhotocouplerreginaldo moronte,eletronica junior caldas novas
SAMSUNGUN40H4203 UN40H4200
Burning the LEDs reduces the currentHttps://youtu.be/7odeogttosqEliel Batista
SAMSUNG2033SW PLUS
Screen turns off seconds after turning onWeak light bulbs - remove lamp protectionPlace a 10k resistor on pin 10 of the ci bd9893f and groundHAHNRAHN
SAMSUNGHT-Z 210
Turns on, then immediately activates the protection. Check at the power supply if tsound are voltages in the connector that goes to the audio card. +12, -12, 29v.In my case, the 12v voltage was missing from this connector. see possible short in the 6000ufx6.3v capacitor.Replace o capacitor 6000μFx6.3varock
SAMSUNGLN26D450
This TV turns on, turns off, restarts sometimes shows a normal image then the backlightThe cause was the capacitor c11 15 shorted, killing the voltage of the 1.5v regulator or ic205naelson silva gravata pe
SAMSUNGUN40F6400AG
Burning the LEDs reduces the currentHttps://youtu.be/pse_p5w0sayFollow the steps in the video that never burns again https://youtu.be/pse_p5w0sayEliel Batista
SAMSUNG LT27A550
Inoperative led off5v voltage ok and 3v3 on ic202 ok. capacitor c1219 was missing 1.7vShorted smd capacitor c1219.samuel leite
SAMSUNGUN48J5200
Turns on, has audio, no image and LEDs onTsound was no avdd voltage on the t-con.Capacitor shorted in v-con position: ca23MULTINFORMÁTICA E ELETRÔNICA
SAMSUNGCL21A551ML
Turns on and the image appears as if the screen was at maximum. (retrace line)Track that delivers the 200v from the broken RGB on the board.Solder a jumper (tec edfesom: varjota-ce)Edfesom