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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGLN32C350D1M
It doesn't work, the LED is off, if the main one heats up, the TV turns on.Epron ic402 ruimRemove epron make a copy and re-record it on anotherELETRONICA DANIEL
SAMSUNGUN50RU8000G
Turns on and off, as well as other defects presented soundShort displayIsolate the small flex that connects the second vcon board with tape from right to left until the image stabilizes.ANTENISTABNU
SAMSUNG PN43H4000
Dark screen or drizzle on characters, audio and normal voltages, only go with 12v.Open zener diode, zda 852 close to the qa852 transistor. Note: the diode is underneath the board. ps, the diode was taken from another board, I don't know the voltage.After the replace, the image returned to normal.George Pontes
SAMSUNGLN40C530F1MXZD
SX1
Does not tune channels.Shorted capacitor on the 9v line pos: c810 close to the tuner and close to the regulator 7805Replace capacitor with a 1u x 16v electrolyticrafaelmoraes99
SAMSUNGMX-F830
Don't call customer 8817Missing 5.3v in the uic1 microprocessor. coil position pbda 4 openCoil replacement. pbd4 next to the ic uic1marcos melo cascavel ce
SAMSUNG 43F4000/4500
Grainy imageSmd support resistor r4063João Bosco Sorocaba
SAMSUNG LN32B350 F1
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No image appears and does not turn onImage does not appear, does not turn onJulio César Ramos Mesquita
SAMSUNG LN32B350F1
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No image appears and does not turn onStandby light turns on but no image appearsJulio César Ramos Mesquita
SAMSUNGLN40B530P2M
When turning it on, it showed an image, when it turned off and turned it on again, it no longer showed an image.Solve rb803, 804, 805, 806
SAMSUNGUN58MU6120
Turning the backlight on and offFuse on the main board (y) open f223 and shorted capacitor smd on the screen c18, note: tsound are several capacitors on the same line soldered towards the flats that go to the screen, remove one by one and measure to see if the short ends, When you find the bad capacitor, remove one of the capacitors that are close to the white flat cable that is on the same line and put it in its place, as these 2 capacitors are of the same valuereginaldo moronte,eletronica junior caldas novas
SAMSUNGUN40EH5000G
Ic 202 is a 3v3 regulator, it shorts out and burns the wtp, free market purchased and resolvedIc 202 + ic wtp61805Ic 202 is a 3v3 regulator, it shorts out and burns the wtp, free market purchased and resolvedLABOTRON
SAMSUNG LN40C530F1M
Only LED on, does not accept power, only 5v present, without 13vOxidized transistor, in front of the photo coupler, check all the transistors that have a hole in the boardRodrigo cofferiRodrigo cofferi
SAMSUNGCL-21Z50MQ6
KSCA
Turns on and after 20 seconds on it turns off by itself.D 204 defective (cracked).Replace the d204 diodeFrancisco Oliveira
SAMSUNGLN40C530F1M
The ST-BY LED does not turn on/does not light upC466 shorted on the main board near the processorReplace with ceramic or electrolytic. val9r approx. 10μFduc40rj
SAMSUNG UN49K5300AG
LED blinking and won't turn onDiodo d9851c mur460The replace of the sameArimateia
SAMSUNG HT-X70
Sometimes it doesn't turn onOxidation of the 220k and 220r resistor close to the micro under the mechanismSidnei lg
SAMSUNG UN32T4300AG
TV turns on normally picture everything ok but no audioCheck the 12v voltage at the CI 4501a output next to the didiotor next to the LVDS connector, if not, just replace it!Adriano Silva
SAMSUNG N32E420E2G
Digital volume keyboardI adapted another keyboard and it was greatSebastiao Rodrigues crédito Sebastião Rodrigues
SAMSUNGLN32C350
When plugging it into the socket, the red LED flashes, it seems like it will turn on the first time, then it restarts for a while, after it warms up it turns on normally.In visual inspection, it was possible to see a capacitor in the secondary power supply, in position cm875 and the TV started working normally again.Eletrônica Emanuel
SAMSUNGUN40KU6000G
Does not display imageQ401 defective.The TV does not display an image but has a backlight. The Q401 transistor on the main did not supply 12V to VCOM.eletrofepar