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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
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
SAMSUNGCN-7266
No image and no audio13.5 open power supply capacitor, 1000 x 35carlaosbc
SAMSUNGLCD -LN40C530
In standby, neither the remote control nor the tok keyboard turns onCheck power supply pci defect. disconnect the cable that comes from the power supply to the mother pci.There are 9 pins in the power supply PCI connector counting from top to bottom pins. 1.2.3 there is a voltage of 13v. pins 4.5 gnd pins 6.7 there is a voltage of 5 volts. pins 8.9 there is a voltage of 13 volts measure with the negative of the multimeter on the LCD panel housingEvandro/sousa astel eletonica ceara
SAMSUNGLCD -LN40C530
In standby, neither the remote control nor the tok keyboard turns onAfter testing the power supply PCI and mother PCI, all ok. the defect was inside the keyboard connectorThere was a lot of oxidation, the solution was to remove the socket and make the direct connections to the motherboardEvandro /sousa
SAMSUNGUN32D5500RG
Does not turn on, standby LED blinks twice.In standby, pfc = 190volts, checking the power supply, nothing was found.Press the touch switch on the main board, with the TV on standby, in my case, the TV started working normally again.MauriĆ­lio
SAMSUNGLN26B350
Doesn't workCheck zd 803 and 804 with passageoskarala