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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGPL42C450 PL50C450 PL42C430 PL50C430
Stretched or reduced frame (picture with bands). MAKE MAIN PLATES 42 \\\ "E 50 \\\"replace the position of resistor R491_HD_42 to R490_HD_50 or vice versaResistors are next to the CN201 connector. Pay close attention to the position of the components so as not to make mistakes. These are small resistors.World TV - Sorocaba
SAMSUNGT27A550
Stand by apagadoIC 704 3, 3V regulator (now = 513)replace IC 704, next to the right side power supply connector on the main plateCabeça
SAMSUNGUN40C5000
When tuning TV shuts offProbably softwareLocate in service mode the DDR option and put in 2, locate in the LNA function mode and put in 0, a colleague sound gave a very good tip to put an attenuator at the antenna entranceMarcos Paulo Infotron-ltda
SAMSUNG42H4203
Does not work remote controlCheck Trail between BD1295 (next Remote Sensor Connector) and R182, (next HDMAI 2)This trail was departed on R182.Arock
SAMSUNG46F6400
Refine is beatingResistor RS802 10R0 SMD replaced to 64OHMsJoao
SAMSUNGUN50F5500AG
League appears picture soon shuts off with LED standby flashingdefect in the Q202 and Q203 signplate on the side of the power supply connects, tsound are 2 mosfetsAriel Santos
SAMSUNGC5000
Liga sem backlightBurned LEDsreplaced new parallel buses, last less than 6 months with little use ...
SAMSUNG LN32C530F1M
Does not turn on, completely inoperativeRoasted CP814 221 1kv capacitor.Just replace the capacitor and the TV will work perfectly again!Zuotec Eletronica
SAMSUNGUN49K5300
After replace the LEDs, they start blinkingQ9852 with leak between drain and power supplyReplace q9852 LED current controller and add 2 homios resistor to the power supplyCabeça
SAMSUNG50NU7100
TV turns on with a strip of light in the middle of the screen and darkness in the cornersDefective LEDs or faulty connectorreplace the connector next to the LED wires stuck in the iron part of the problem panel.Alessandro Barcelos
SAMSUNGUN40H5303AG
Back light does not come onOne of the LED bars with a track interrupted by oxidationRetrace the trailFerraz
SAMSUNG LN32B450C
Low voltage of 13v, giving 10.5v and varying.Removal of the CM870 capacitor. You can start and run for the hug.David Duarte
SAMSUNGUN55TU8000
Turns the backlight on and offinternal short in the screenIn the first COF on the left, cut the lines CLK1 to CLK8.Persio (TVCompany)
SAMSUNGPL51D490
Grainy/almost 100% dark picture after replace RPJ30H1 or FGPF4536 IGBTsY-sus burning R5126 (6R2), shorting out several ceramic capacitors on the line.The short is actually in IC U5014. After replace it and replace the 6R2 resistor once again, it started working again.World TV - Sorocaba
SAMSUNGUN49NU7100G
Half of the screen was bright, the other half was dark.Broken jumper on the power supply boardA Jumper at the mosfat output that controls one side of the LEDs has a jumper under the heat sink of the 2 diodes and 2 fats on the secondary, just reconnect the jumper and it works again, but even so you have to reduce the current of the LEDs on this model .Eletrônica ATM
SAMSUNGUN40FH5303
turning off the back light, or turning it on and not turning on the back lighton the main board defective blu lineq204 smd transistor any npn will do, I put bc817Ariel Santos
SAMSUNG46ES6100AGXZD
Stand by LED does not turn ontrafo tsth01on the primary part of the transformer, one of the terminals opens in relation to the chassis, see that it has a darker and more oxidized pin, just redo the soldering or put a jump to the pcipaulo pinho
SAMSUNGUN43AU7700
Completely stopped, not even standbyScreen drive board with shorted capacitor c203, however when trying to turn it on, the board was also inoperative, when checking it was found that two 13v fuses that came from the power supply were burnt, after replace them the TV started working again with shorted ceramic capacitor c203Replacement of c203 on the screen drive board and replace of fuses at the main 13v input, coming from the power supply.Cosme
SAMSUNGUN39FH5003G
TV turns on, backlight turns on and then turns off, won't turn on again. unplugging it after a while repeats the defect.QM805 on power supply board - SMD NPN TransistorPardal-x
SAMSUNGLT24/27C310LB
The LEDs don't light upTV arrived with sound and no picture, I immediately imagined it was the LEDs! I opened the display and the LEDs were 100%! Tsound was no voltage to power the LEDs! Voltage arrived at the SLC5013R ci (ic1701_ad) responsible for the voltage of the LEDs.Replacing the SLC5013R ciRafael Sena