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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGUN40H4203AG
It doesn't turn on or light up stbyCapacitor c1 on the function keyboard shortedCapacitor c1 on the function keyboard shortedcentral audio e video
SAMSUNGPL42C430A1
Turns on and off immediatelyDefect in the y-sus, after changing the rjp30e2 igbts. The TV turned on and all the voltages appeared but the image was grainy, you couldn't see anything.After carrying out a new analysis, I checked 3 open resistors, 1 of 51Ω in position r5034, 1 of 100r in position r5019 and 1 of 270r in position r5025, after changing them the image came back perfect.Luiz Sena Eletrônica HYK
SAMSUNGUN32F4200AG
Lights up the LEDs without imageOn v-com cap cd 12, 13, 14, 15 one of these shortedEletronica do Gilvan
SAMSUNGUN65TU8000
When plugged into the socket, the LEDs and the power supply relay blinked, arming and disarming, I isolated the LED bars, it didn't solve the problem, I thought they were leaking and they really were, but it didn't solve it, the defect was in the transformer of the LP801CS power supply, cold soldering.I fixed it and it started working again. If you want to leave a pix for the tip, thank you pix: 91 989906278
SAMSUNGUN46F5500
Does not turn on, pfc circuit burstIc driver of the pcf s3050 in short, in addition to other faults in the circuit, I used the fa5696, replacing 2 1m resistors connected to the control pin (1), with 2m resistorsDavi.sls
SAMSUNG LN40C530F1M
Does not turn on, stuck on standbyShorted smd capacitor c299 next to power connector and smd fuse in front of power connectorMarcos Cavalheiro
SAMSUNG LN26A450C1
Sound popping straight after some time or a lot turns off atvOn the main side of the USB, the IC 1117-18 (large) is the IC 1005 heats up a lot on the C1023 side, remove it and leave it without (solved)Eletrônica COMETA
SAMSUNG LN26C350D1
Stand-by access but the TV does not turn onShorted capacitor c1009 smd - on the bottom of the main boardGeorge Luís
SAMSUNGUN46D6500
LED current reductionReplace resistors r120,r220,r320,r420 with 10r resistorsreginaldo moronte,eletronica junior caldas novas
SAMSUNGUN40EH5000G
Standby just blinks, nothing elseDm805, in4007 at power supply. change without measuringEletrônica Cecé. Brumadinho MG
SAMSUNGPL43F400
Does not turn on - no standbyQs801s and qd802s (mdf9n50) short, 8a 250v ceramic fuse open.Replace reported componentsHermes
SAMSUNGNP-RV411-AD3BR
Does not start Windows 10 system, hangs on startup. It hangs on the Windows logo and the ball doesn't even appear spinning.The old Broadcom brand WiFi module is compatible with Windows 10. Swap the WiFi module for any other brand.rafaelmoraes99
SAMSUNG UN46D6500
TV restarting over and over again, hitting the power supply relay.Defect in the LED bar, to confirm just make a jumper on the pc802s photo coupler and the TV will remain on. just changing the complete LED kit will do the trick, don't forget to remove the jumper.Eletrônica Mirage
SAMSUNGPN43H4300
Red LED constantly flashesShort on main boardCeramic capacitor in area j next to the memory and ready ic 1102Multinformatica assistência
SAMSUNG UN46D6500
TV restarting over and over again, hitting the power supply relay.Defect in the LED bar, to confirm just make a jumper on the pc802s photo coupler and the TV will remain on. just changing the complete LED kit will do the trick, don't forget to remove the jumper.Eletrônica Mirage
SAMSUNGUE32F4000AW
Flashes 5 times in groups of 2 times and does not startPower supply bn44-00604f, transistor qm859Afm
SAMSUNGLN32A450C1 BN44-00209
Does not turn on, has standby (red LED on), presses the power button on the keyboard or control and does not turn on.Power supply board defect bn44-00209aCB852, CB858 and CV853 capacitors of 1000UF 25V presenting high ESR. After changing them all, the TV started working again.MARCO BORSATO MEDTEC INFORMATICA
SAMSUNGPL43F4000AG
When trying to turn it on, tsound were "clicks" in the power supply region, the TV did not turn on, returning to standby and the LED on the main board blinked 3xCs809s with cold soldering on 1 of the contactsResolder cs809s and check all critical points (that get hot) with a magnifying glass, resoldering themhermes
SAMSUNGT23B300LB
Does not turn on standby, no signalCold solder (icm801s) and jumper (jp802) was openChanging the jp802 and re-soldering the board (cold soldering)Flavio
SAMSUNG CL21C650ML
KSCB
High power supply with 180 voltsDue to was or dz842-4.3 voltsEletronica Melo-Boa Viagem-Ceará