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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNG2232BW PLUS
Turns on and off quicklyBroken wire in lamp solder and sparkingResoldering and local insulationJjsantosneto
SAMSUNGUN48JU6000
Turning off by itself, does not turn on or turns on and offCold welding at the power supplyResolder the entire power supply mainly to the tm-801cs transformerAlex Lopes <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
SAMSUNGPL43F4000AG
Doesn't startOn the power supply board the blue cs809s capacitor had poor contact, it was looseResolder the cs809s capacitor! zero cost tv returned 100% of the budget made before 350 reais! suggestion, before spending this amount try to solve it like I did, I didn't spend 10 minutesAnderson
SAMSUNGUN40J5200AG
To reduce the voltage of the LEDs and consequently the current, replace the resistors r9163 and 9164 with just a 1ohm resistor (1r)The LED bars were burning out. This TV is not that old and the LED bars are not easy to find.I tested it with a 0.22 resistor, the current drops a lot, with 0.75 it also works, I put it at 1r, it was fine, good luck everyone.Eronaldo (erontec)
SAMSUNGPL51F4000
LED does not turn on, blinking 3 timesIc801 com 4,7v no pino 8Transistor connected to c802 with leakage (it is close to the power supply connector)Portal tec letronica junior cat
SAMSUNGUN32F4300
Turns on without image (backlight on)CD24 shorted on the VCON boardReplace.Maurilio
SAMSUNGCL29Z43MQ
Device did not hold the tune, (it kept escaping as if it were a defective varicap)Check if any of the resistors in series are open (r829, r831 and r830 all 15k) in my case it was r830.Replace the resistors. (edfesom varjota-ce)Edfersom
SAMSUNGCL14C600KJ
Turns on without image, adjusts the screen and the retrace lines appear.Replace diode dz209, 9v1, next to the rgb connector.DJ PITUKA
SAMSUNGLN32R71BAX
Does not tune to cable/catv channels.Replace c151 and c152.electronicssupplyparts - Gramado/RS
SAMSUNGPL50A450P1
Beeps and doesn't turn onSolda fria no transistor ub801Transistor in front of the transformer that is next to the giant transformerDarci Denzer
SAMSUNGCL29Z43MQ
The TV only turned on with a stripe at the top of the screen and turned off quickly.Vertical ci (la78045) varied.Replace the same. (edfersom varjota ce)Edfersom
SAMSUNGPL43F4000
Turning offRemove or replace c1024 and c1025MATHEUS
SAMSUNGLN26D450G1G
When it turns on, it comes on normally and after about 40 minutes, the screen starts flashing and then the backlight turns off and tsound is only audio.Transistor on the power supply qb801 with leakage -2sd1347, replace without measuring.Marcos Vinicius SSA-BA
SAMSUNG LN40B530P2M
The lamps don't turn onOne of the bulbs burned out, triggering the protectionWhen turning on the lamps, they blink and then turn off.. test one by one with the board itselfDEBIQUE
SAMSUNGCL21K40MQ-
It doesn't turn on, tsound's just a tick, noiseCap cr409, 681x2kv toasted, and cr404, 681x2kv, just cast.DJ PITUKA
SAMSUNG UN49J5200AG
Stand by blinking and won't turn onMotherboardReplace the motherboard
SAMSUNGPS43E450 BN44-00508B
Check ds857 and ds858 (sff1005g)Mário Martins
SAMSUNGUN40H5103AG
Only the LED stays on without blinkingTsound was no reason, it was out of nowsound!
SAMSUNGT24A550
Turns on after a while, turns off, or changes in the image, stripes or bands without an image.Semi-short circuit,Leak in capacitors c202 and c201, measuring 65r, not getting hot, is next to ic204RNSPTEC
SAMSUNGLN40C530F1M
It works with the backlight off or intermittent, sometimes it has lighting and sometimes it doesn't.Ub801 failing, next to pc803s.Replace ub801.electronicssupplyparts - Gramado/RS