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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGCL21C650ML
It doesn't turn on, it oscillates and dies, oscillates and dies,Replace ci verrtdj pituka
SAMSUNGHT-Z220
XAZ
After 5 mits. On, it indicates fan_chk on the display, triggering protection, and turns off the device.Smd resistor nr 19 changed, replace with another 10rReplacing the smd nr19 cooler protection circuit.ANANIAS- VP- ELETRÔNICAA
SAMSUNG CL21A551
Mirroring of the image and retrace lines on top.Defective vertical ci.Replace the ci, (tec edfersom, varjota-ce)Edfersom
SAMSUNGCL21C650ML
No image in av, in rf, perfect imageChange dz702, dz705, dz7101, dz710, both 9v1.dj pituka
SAMSUNGLN32B450
Lamps don't lightPfc only stays at 170volts, pin +b of pfc ci with zero volts, removed ci voltage rose to 14volts, ci conclusion shortReplaced ci, pfc went up to 385 volts, perfect picture.Maurilio
SAMSUNGCL-21Z50MQ
KSCA
Band on the left side of the screen (loss of horizontal synchronization).Leaky zener diode 403.Just replace it and that's it, problem solved.Francisco Oliveira
SAMSUNGT22A300
Standby LED flashing, +5v and +13v pulsingDs812 diode in open power supplyReplace with IN4007 Type F (High Frequency)Werner Schellmann
SAMSUNGHT-C550
Arming protection when switching onCapacitor c5n2 shorted on the power supply boardReplace capacitor c5n2 (470/16).jean alves
SAMSUNG50PB560B
Has sound, no imageAll normal vs and va voltages, but without 18v and 5v on z-susZ-sus board replacementArnoltec
SAMSUNGUN55F8000
Restarting with smart logoCi slc1013m with defect on the power supply boardReplace of the sameArnoltec
SAMSUNGUN40H4200AG
Does not turn on, stand by LED is offIc 207 faulty dc dc converterReplaceMaurilio
SAMSUNGMX-730
DeadFuse 6.3a 250vNEW PEK ELETRÔNICA
SAMSUNGUN32J4290
Tv restartingLook first at sensor control. remote control, if it is blinking as if it was receiving a signal from the remote control, just change this sensor and the problem will be solved.Alberi F S
SAMSUNGUN40FH5303
The LED keeps flashing and doesn't turn onChange the power supply cm872 and cm873Eletronicaaeb
SAMSUNGUN40F6100
On, off, relay hittingTest only the power supply isolated from the housing, if you turn on the back light, it may be the bus that is casing through the tabs on the top of the busIsolate the busbar fixing tabs with x-ray type plasticEmerson
SAMSUNGUN40FH5303
LED blinks but doesn't turn onJ818 oxidized (located below the MOSFET heatsink) power supply boardReplace the jumperEletronicaaeb
SAMSUNGPL43F4000
YSUS 43FV
Red LED flashes, does not turn on, ysus board burned out, ysus repair. Tsound may still be a bad contact on the power supply board(change q5000, q5001, q5014, d5057), check ci-u5021, check ci-u5022, (change c5078, c5075, r5070,r5071, r5072)Replace the components mentioned with the same and new ones, if you use used parts taken from scrap, measure them carefully before reusing, check that tsound are no leaks.Maike Sorriso-MT
SAMSUNGHT-C350
Traffic beeping and device turning off.Ca04(50v 100uf) and ca03(50v 22uf) have an electrolytic leak (base of the pins with green sludge) measuring on the capacitance meter show correct capacitance.Replace o ca04(50v 100μF) e ca03(50v 22μF).EduSSantoz
SAMSUNGUN32FH4003
Turning on and off quickly and power LED flashing.Cm 867 - 47 µf / 160v exhausted.As I didn't have one at this value at the time, I used a 100 µf / 160v one, you can use it without fear as its function is as a filter. A special thank you to cecé, edmundo and adriano miranda electronics who facilitated this repair with their tips.Altevir Lima - Anananindeua - PA
SAMSUNGUA40EH5000RXXA
UF07
Doesn't start.Lightning damaged power supply board - power supply replacement bn44-00666dMakapiro