SAMSUNG TV Repair: Common Faults and Solutions.


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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNG LN40C530F1M
Turns on, back lite comes on then turns off, TV with soundQ1801 e Q 1803 alteradoSubstituir q1801 e q1803Naldo Lima
SAMSUNGPL51F4500
Stopped, sometimes it turns on without an picture, sometimes it doesn't turn onIC806 (3.3 volt regulator )Replace, 3.3 volt regulator (same as a smd transistor)alexmouguet
SAMSUNGCL21C650ML
When connecting to the socket, the LED flashes 1 time and remains off, +B goes to 130v or 140v and drops to 0v, power supply capacitor chargedResistor(s) R821B, R821 or R819check if one of them is open or open and make the replaceDTEC-ELETRONICA-Massapê-ce
SAMSUNG UN46F6400 UN46F7500
Hitting relayaltered leds
SAMSUNGUN50NU7100G
Backlight on but no pictureShort displayI isolated 10 routes, from 10 to 20 vcon on the left, it worked perfectly. Good luck!Jhone eleetronica
SAMSUNG40H5103
It turns on, after a few minutes, turns off and locks the standby LED.Q207 (1E NPN), Replace...joaomvjr
SAMSUNGUN65MU6100
Does not turn on, no standbyMOSFET REPLACEMENT MMF60R360PI replaced the fuse and the MOSFET.ANDRÉA GARCIA
SAMSUNG CL21C650ML
Does not turn on and does not generate dischargeTransf. t401 broken wireTest before replaceEletrônica sena
SAMSUNGPL43E400
VA and Vs voltages drop slowly when turning on the TV1k trimpot, located on the altered Ysus boardJust replace the trimpotLuiz Paulo
SAMSUNGPL42C71HDPX PL42C91HPX PL42Q91HDPX BN44-00161A
BN44-00161A		Does not turn on or clicks when turned onSMD resistors RS867, RS879, RS878, RS862, RS863 e RS868; Diodos DS801 DS802; Transistors QS801 e QS802 Repair diagramAdamRep
SAMSUNGHPT4234X HPT4254 HPT4254X HPT4264X BN44-00161A
BN44-00161A		Does not turn on or clicks when turned onSMD resistors RS867, RS879, RS878, RS862, RS863 e RS868; Diodos DS801 DS802; Transistors QS801 e QS802 Repair diagramAdamRep
SAMSUNGUN55NU6900FXZA UN55NU6950FXZA
BN96-49639A BN96-49482A BN96-46947A		Power supply failurePower supply failure. Check FP801S, CP810, CP813, QP801CS, ICP801 and RP813.Replace allPaulão
SAMSUNGBN96-49639A BN96-49482A BN96-46947A
Power supply failurePower supply failure. Check FP801S, CP810, CP813, QP801CS, ICP801 and RP813.Replace allPaulão
SAMSUNGQN75Q60RAFXZA BN44-00874E
BN44-00874E		DeadBN94-14119C Power supply failure. Check FP801S, CP809, CP810, QP801CS, QP802CS, CP811 and CP812.Replace allPaulão
SAMSUNGQN75Q60RAFXZA BN44-00874E
BN44-00874E		Black screen and a click every 10-15 seconds. Sometimes it turns off, the TV turns back on after a few seconds.By disconnecting the CNM802 connector from the BN94-14119C main board. The backlight lamps turn on and the intermittent click stops. Power supply failure. Check FP801S, CP809, CP810, QP801CS, QP802CS, CP811 and CP812.Replace allPaulão
SAMSUNGUN48H4200
On start, Samsung logo appears and restartsIC 801 replace and run for the hugSolved IC801 replacedRenildo
SAMSUNG UN40F5500
Good supply, main does not give signal. None, short on the 3.3v line that feeds the EPROMreplace of ic201 "near optical connector" and ic202 transistor "case" further rightRodrigo cofferi
SAMSUNGUB32C5000
Dark screenCheck rd20 and rd55 on t-conA. Carreto
SAMSUNGUB32C5000
Dark screenIntermittent t-con voltages max17122 and max17121Replace icsA. Carreto
SAMSUNGPL51E490
Flashing standby, does not turn onBig blue pcs801 capacitor with cold solderingELETRÔNICA JAMBEIRO