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Samsung Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNG21Z43
No sound, amplifier stage ok, micronas does not release audioDz817 e l201There was a lack of 5 vcc on the micronas pin, analyzing it, i found the zd 817 shorted, i replaced it more, the voltage was between 1.2v, analyzing it, i saw that the l 201 was altered, almost open, after the replace, the device worked normallyRoberto Consertos
SAMSUNGCB20S20BT
S15A
Does not start, power supply with high voltage of 125v (152v)See resistance r816 (123k) is changedrpbng
SAMSUNGCN-501F
Turned on and off successivelyIdentify the open resistor r 248 (3k9) and the TV started working normally again. the electrical diagram is kct 12aRivaldo Lira
SAMSUNGCB-14Y42TS
KS1A
Doesn't start. When turning on the green LED lights up for 2 seconds.D805 I cc.edpandil
SAMSUNGCL29M21MQ
Doesn't startFlyback shorts burns horizontal outputReplace the fly, replace capacitors c405 c402 and c403 in addition to replacing the 2sc5936 with bu2520 dx
SAMSUNGCL29Z30
No audioMicronasReplace micronseletronicaapolo
SAMSUNGCN7207
Power supply keeps knocking and won't turn onC856 22x160vAMSMARIANO
SAMSUNGCL21K40
Power supply doesn't workNANDONUNES
SAMSUNGCB20S20BT
S15A
Turns on but there is no high, secondary voltages appear but no square wave appears on pin 40 of the tda8841Cond. of the power supply ic with low capacityReplace cond. 33µ/50vDixtec
SAMSUNGCN 5083
Vertical with retrace lineNone 307 as low capacitancefernando timbauba
SAMSUNG LCDLE40S61BX/XEC
BD40EO
With difficulty starting, and sometimes does not startNa power supply cond elect cm812;cm17; cm811 e cs806All cond 1000μF/1ov 105ºjoaquim cunha
SAMSUNGCN5039VB
KCT12A
TV with colorful bars jumping across the screen, the keys don't workMemoria over c24co2julio itaguai
SAMSUNGCL21Z50MQ3
Dark screen, looks like a tubeResolder all rgb (tube plate) or change all transistorsHP ELETRONICA
SAMSUNGCL21M6MQ
Turn on then turn offIncrease the screenHP ELETRONICA
SAMSUNGCL-21K40
Power supply does not stabilize,Zd 801 in the schematic this diode is identified as 12v. but notice a point of ? in fact the diode is 27v.luismar.1
SAMSUNGCL21Z43MQ
Image turning off and on and changing colorsIt was a d240 diode with sniffingThis TV caught water through the antennamarcoa melo cascavel ce
SAMSUNGHCN4226W
P55A
When it comes on, it turns on and off at the same timeR-449 1/4 w burnedThomas Acoreano
SAMSUNGCL21M6MQ
Retrace lines, screen sometimes white, blue or red. turning off afterwards or notFaulty rgb circuitReplace tda 6107This email address is being protected from spambots. You need JavaScript enabled to view it.
SAMSUNG540N
GH15LS
Doesn't startC115 1000/10v exhaustedJust replace the said one and it's beautiful (also note the capacitors nearby)willian Amigo
SAMSUNGWS-32Z 46V
K55A
Without sound, but with videoIc601 (msp3411g b11), d601 e d605 (z 5,6v), cristal x601joaquim cunha