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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGUN32D4000
Standby flashing. doesn't startReplaced qq9101 smdResolved. Complete resoldering done lots of cold soldering
SAMSUNGUN40J5200AG
Screen lit but no image "screen washed"In my case it was the cap. shorted smd cd19, killed the voltages. 10mfd/25v. Exchange made and problem resolved. good luck...This email address is being protected from spambots. You need JavaScript enabled to view it.
SAMSUNGPL51F4900
Dead, fuse blownCheck cold solders on the power supply board and y-sus, they probably caused the fdpf10n50 igbts to burnFuse replacement, replacement of qs801c and qs802c 10n50 or compatible. check the welds on the boards!!!World TV
SAMSUNGPL43F4900 PL51F4900
43" and 51" f4900 mainboard compatibilityCheck the following components between the two boards: r860 to zr869 / r868 to r859.If the resistors are in the correct positions and tsound is still no image, transfer the IC2001 EEPROM from the bad board to the new board.World TV
SAMSUNG CL21Z58MQ
High power supply, led off, +b with around 250v blowing out the c821FD810A Open - This looks like a PX-Green color resistor. to the power supply trafficReplace fd810aLopes tv Pe
SAMSUNGUN40J5200AG
Turns on the backlight has no function on the remote controlF202 on the main board 13v lineReplace f202Beto2828
SAMSUNGUN46FH5003
PD46AVF_CHS BN44-00497B
Does not work, open fuse.Ql801/802 fet d5n50 but the smd fet ql804 must be replaced, although it measures well... if you don't replace this ql804, it heats up the ql801/802 and bursts immediately afterwards!ELETRONICA BRAMBILA
SAMSUNGUN46EH6030
It doesn't turn on, it just flashes on standby.Power supply does not arm, standby voltage ok, secondary with oscillating voltages. This power supply has protection, when an LED has a problem or the bars are disconnected it does not activate. I spent some time analyzing it, thinking it was something in the power supply, but it was a problem with the LED bars.Disassemble the panel and solder the LED bar connectors (in the middle). This type of bar gives poor contact and opens the series of LEDs.GABSENS
SAMSUNGS19A300B
Turns on but does not reproduce image in both digital and analogue, does not identify the vga cableI found information on the websites that it was about recording the eprom 401 (25x40) and that was really itAs I didn't have a 25x40 eprom I used a 25q64 used on a Philips TV and recorded the file and it worked.....ok...be careful that tsound is the right file for the display, I bought the file on the free market at same file as my display, as reports say that if you record with the wrong file the equipment crashes....MIGUELTV
SAMSUNG UN40EH5000 OU 5300
Turns on the screen but no video imageClean the LVDS cable. resolved.Fernando rj
SAMSUNGUN55C6900VM
It doesn't turn on, the relay keeps hitting or sometimes it doesn't even hit the relayQb852 on the power supply boardComplementing the previous tip, you can replace it for a bc547. the transistor is an npnEC
SAMSUNGUN32D5000
Standby LED blinks and doesn't turn onT-com had a blown fuse, tsound was a hole in the flat that goes to the screen, the first flat on the left side of the TV, due to corrosion
SAMSUNGUN55KS7000
Doesn't startDiodos dm861c dm863c na pci power supplyReplace of the same schottky type diodePAULO PINHO
SAMSUNGCL21C650MLXZD
Turning off after a few minutesDiode zenner d204 in4148josafa alves
SAMSUNGLE46C530FW1
Doesn't work. Not even the SBY LED lights upPower supply works well. on main board replace ic401.Substituir ic 401 na main boardJose Almeida Tavares
SAMSUNGUN50TU8000G
When turning on, no image appears, staying in a constant loop, without being able to turn on the TV.According to guidance received sound on this site, by another technician, I isolated the pin that connects the resistor r44 to the larger flat cable, on the left vcon. refers to the vgh signal, isolated with a thin tape on the flat. image came back perfect. thanks for the tip!
SAMSUNGUN32FH4003G
Dead. standby offDiodo sb3150 - na power supply principal dm859George Luís
SAMSUNGUN50TU8000
Turns on LEDs without image keeps restartingDisplay defectIsolate the vgh track next to the r44 on the display ruler and it works 100% again!Sn Eletronica
SAMSUNGUN46F5500
Y1ST3XDF501472T
LED current reductionR9109 or 9110 and 9209 or 9210 change from 5r6 to 10rNote: measure before and after!MILTON BRAMBILA
SAMSUNGUN32FH4003G
LED on, does not turn on.Main boardC932, c936 smdEletrônica Bianca ipira-ba