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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGUN55F520/5500/6400/6500
LED current reductionChange r9101/9201/9301/9401 from 3r1 to 6r2, in my case it was 155v it became 148v.ELETRONICA BRAMBILA
SAMSUNGUN55JU6000
Doesn't start.Check broken solders, poor contactTM801CS transformer with broken solder pinsoskarala
SAMSUNGUN32EH4000
Turns on normally, LEDs light up but no imageMissing vone 28v, dcdc sm4151 defectiveAfter changing the sm4151, the screen returned to displaying a normal image.Eletrônica Mirage
SAMSUNGPN43H4000
Doesn't even turn on the power LED3.3v regulator short on main boardReplace ic201 near the connector that comes from the power supplycleber lima rs
SAMSUNGUN40HU7000
BN44-00752A
Flashing the LED buses.Altered smd resistor, reference rp854 - 2m2Replace it for the same value.Arnoltec
SAMSUNGUN43MU6100
CY-GM043HGAV1H
Turns on the backlight, tsound is sound but no characters ("blue screen" - no image)Display with short, left vcon rulerTracks 9 to 16 of the ruler are isolated. We inform the customer that it is a palliative as we do not have the means to carry out an effective repair.SOS Televisores
SAMSUNGUN50RU7100
LED turns on and flashes standby 2 times, no imageIsolated a part of the lvdl, giving a darker image on one sideCut off all the cof on the side wsound the image was darkANTENISTABNU
SAMSUNGUN32F5500AG
TV doesn't turn on, without STBY.Power supply board primary circuit.Leakage zener diode zdm 803, has the shape of an smd transistor, but is 27v 1/2w zener, leakage of approximately 200r.RNSPTEC
SAMSUNGPL51F400AGXZD
Inoperative does not turn on anything or standbyVoltage-free power supply boardTest code board ic801 (sqt7011k) short on the power supply boardRIC TEC ASSISTENCIA TECNICA
TV SAMSUNG LN32B530P2M
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It doesn't turn on, the LED keeps flashing.Lack of capacitance no cm852 1000 microfarads giving 680.Replace cm852 in the power supplywellingtoneletronicasilva
SAMSUNG UN40FH6203G
Turns on with sound but without video and backlightOpen 5a fuse + a shorted ceramic capacitor on the t-con boardInject voltage into the fuse with a 18650 battery and identify the shorted capacitor via odometer. I replaced them and the TV started working normally again.Fernando All
SAMSUNG32D4000
Blinking and won't turn onIc9501 smd(diodo)Luis carlos
SAMSUNGUN32J4300AG
TV doesn't turn on at all. no standbyF201 open, short in capacitors c241, c243God is faithfulAndrade
SAMSUNG UN32J4300AG
VERSãO BA06
With normal audio and no plot .access led bus .absence of avdd voltage on pci vcon 32an01s4lv0.2SMD capacitor on the VCOM PCI shorted.CD13 replacement on the Vcon (JM) PCI.JM
SAMSUNGUN32EH4000G
Didn't care (power supply ok)Main, c205 in short and ic202 (bc847) with low resistance, close to the hdmi connectorsReplace ic1201 as it is the cause of the short (I removed it from a scrap board from another Samsung model) and replace ic202pix 61981378141
SAMSUNGLN32C350D1M
It lights up on stand by, when you press power, the LED goes off until it looks like it's going to work and nothingPower supply everything ok, voltages. defect on the main board, tip from our friend "presto": c810 with leakC810 with leak at the bottom signal board next to reg 5vts ic803MIGUELTV
SAMSUNGUN43NU7100
Turns on with sound and functions working better with blacklight offBurned out ledsChanging the LEDs and lowering the LED current (replace resistor r9873 from 1r to 4.7r / 2 watts)George Luís
SAMSUNGUN65HU8500
No imageCorroded image processor memory tracks. due to dust the cooler brings.joaomvjr
SAMSUNGUN58RU7100G
No image, turns on backlight and does not release imageCapacitor c15 on the screen board shorted, fuse y next to q221 as commented by colleague Santomel.TV CENTER GUAIBA
SAMSUNGCL21Z43MQ
K16C
Cushion effectCushion effect change 2n7000Replace 2n7000Valdo TV