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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNG LN32R71BAX
LED standbay blinks and but doesn't start5 Volts varying when it is connected from the motherboard, but disconnect it stabilizes at the power supply. The villas get 3 and 5V without being connected from the motherboard. I found capacitors without low capacitance but did not solveI replaced the kia 431a for the TL431 in the ZDTB851 position and went back to work perfectlyEletrônica M.F
SAMSUNGUN55NU7100
Don't turn on. No back without picture, faded led, printe plate. Making Tectec noise.C212 shortly, side of Q 202, USB side.joaomvjr
SAMSUNGUN32FH4205G
picturelessBurnt ledreplace of LED + Red bars. From I. replaced the 2R resistor with three 1R2 resistors in series, making 3R6, chain fell from 0.456ma to 257mA in film mode, in the other two picture modes, fell from 135m to 0.075ma.Cesar762
SAMSUNGUN32J4300
No standby but with 19 volts on the plateC231 capacitor with escape (almost a short) killing tension in the IC202MACIOTI
SAMSUNGPL43F4000
does not turn on or light the led, tsound is time to call normal paresing bad contactinternal moisture on the plate giving escape between two trailCut the two Triha that connects the C805 and C804 in the diode has to cut from the two side very close to the capacitor and very close to the diode on both trail and weld a wire from the pin of the captor to the diode pinOsmildo Max Video Eletronica
SAMSUNGUN40J5500AG
flashes LED standby and doesn't startMOSFET CHANNEL N transistor near the connector that goes to power supply Q206Ariel Santos
SAMSUNG MX _F730
Don't turn onDon't turn on
SAMSUNG ED46C / LH46EDC
No picture, defective LED barcatsUn46eh5000 or Un46EH5050, the kits of these models are in place.Code Panel Display LTJ460HN05-V = LTJ460HN10-V, Bus Code 2012svs46 3228Capiroto
SAMSUNGPL42B450B1
picturelessShort in D5518 and Q5516 on the buffer platereplace D5518(SF10A400HDS) e Q5516(G75313U)Wsmartcell
SAMSUNGLN32C530
No picture or without backing4 caps smdRemove 4 Caps SMD below the processor's right side sideCabessao1
SAMSUNGKU6000
restartingBeware when passing wrong budget on this model, turning off the main you test the power supply and led ok, turning off the screen without turning off the protection this TV will continue to restart you think that the defect is the main plate, to test the plate without the screen you must Call a jumper wire at points FB_TRDY_3 and FB_TRDY_1 Both are at the ends of the screen connectors, doing so you can test a screen cable at a time to see which side is bad, and tbm can turn off both cables and see that the TV will workMirage Eletrônica
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