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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNG 29M21MQ
Black band on the left side and flickered imageR4232 5k6 2w, diode dz403 shorted, c404 shorted 4k7 400v, power supply resistance of -16v openManoel L. Silva
SAMSUNG 29M21M
Inoperative. arma +b power supply rises to about 110v and returns to the stb.Tl431, dz805 measuring good and dz842 slightly altered.Manoel L. Silva
SAMSUNG 29K40MQ
Turning off in 20 secondsC803 with low capacitance, power supply input voltage filterManoel L. Silva
SAMSUNG 29K40MQ
When it turns on, it comes with a closed vertical and reduced width, then it turns off.One of the vertical baffle coils openManoel L. Silva
SAMSUNG 21M6MQ2X/XAZ
Horizontal output transistor burnsCapacitor 6k2/1600Manoel L. Silva
SAMSUNG 21M6MQ
Reduced vertical, no color and no menu functionRewritten the eeprom.Manoel L. Silva
SAMSUNG 21M6MQ
Beeps and burns mat output transistorChange the fbt and replace it with the ts mat 2001 hi a c5149Manoel L. Silva
SAMSUNG 21M21
It turned on right after it turned offTl431 and a 120k resistor connected to it open.Manoel L. Silva
SAMSUNG 14CN35
Completely stopped, not even the LED would light up. everything is normal until the chopper primary, nothing on the output.Chopper transformerManoel L. Silva
SAMSUNGLN32B350
Blinking LED, won't turn onUp801s e cp810 (220/2kv)Pablo
SAMSUNGCL21Z43MQ
Horizontal output burned out due to high power supplyI changed the photocoupler, ci cq0765rt, dz 817 of 5v1, I also checked the resistors in this area and everything was ok but it didn't stabilize the power supplyIt was the polyester capacitor in position cr406s without capacitance which is next to the deflector connector, I replaced it and it was resolvedPATRICK
SAMSUNGCL-29Z6PQ
Without power supply, without +b ,5v led offR-821 -133kSwap openLUCIANO
SAMSUNGCL-29M21MQ
KS7A
Greatly reduced horizontal and vertical (small diamond)R-414-openReplaceluciano
SAMSUNGCL-21Z43MQ
Does not turn on, LED is onZd901 shortReplaced, zener 5v1. started working againPATRIARCA
SAMSUNGCL29M21
Cause: changed resistor 821klein
SAMSUNGLE32S81B
GJ32TSA
Does not leave stbyPower supply with ref. bn44-00155aReplace resistance rm801 that was openjose almeida tavares
SAMSUNGCL21M21MQ
K16A
Turns on and then turns offJump j804, fd804s and coil l804 with cold solderingpaulo-maceio/al
SAMSUNGCN-501F
Hitting relay,dry power supply between 130 and 140v.pulsatingC417 of 2.2mfx250v change without testing.JN ELETRONICA NEVES FORTALEZA-CE
SAMSUNGCL29Z58MQ
Stand-by LED on but does not turn on, power supply goes up to 160v and protects.Absence of 5v in the micro, capacitor 815 of 470uf 16v in short circuit.WAGGUINHO
SAMSUNGLCD TODOS OS MODELOS
It turns on there is sound but there is no image and the lamps don't light up.Defect in the inverter, change the inverter oscillatorfernando ferreira