Search: SEMP
Results: 2828

SEMP Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMPTV1030NACDC-FM
U18
Defective stv9302b vertical output. horizontal line in the image (closed vertical)If I don't have the stv9302b code, you can put la78040bHelio Eletrosonic
SEMPTV2134 A SL
SL11
Turning off with vertical closedD301ReplaceEletroClaudio Aguas Belas
SEMPTV 2934(B)SL
SK91
It worked after a minute, turning it off and making a boom from the speakers.Ic 601. strw6556a.To replace.@gepe
SEMPTV 2080
Yellowish colorCapacitor c511 with leakage killing the 8v on pin 2 of the tda8718 ciCapacitor replaced
SEMPTV2982LAVS
LEM 8
Hissing at the power supplyC819 47/50vReplaceEletroClaudio Aguas Belas
SEMPSD7070
Sometimes it turns on sometimes it doesn'tDefective power key capYou have to replace it because sometimes it measures normalELETRONICA AUTO TREVO
SEMP TOSHIBATV2089
It only stays on standby with the power supply at 77v.Capacitor c887 descapacitado. (100mf x 35v)To replacePersio (TVCompany)
SEMP TOSHIBATV2091
Does not come out of standbyTransistor q430 open.To replacePersio (TVCompany)
SEMPTV2084
U11
Poor contact, image disappearsIt is quite common in this model, to check the smd 831 resistor next to the varicapBETO ELETRONICA ACRELANDIA ACRE
SEMP TOSHIBA14A82
U8
Does not turn on; burning tsh. when connecting with a lamp in series, the lamp blinked and the TV turned off; a spark could be heard on the flybackCracked tube; replace the same; Tsound are 4 100mfx25v caps around the IC TB1231N which usually leak and cause this, sometimes even sticking the tube, check it.Tsound are 4 100mfx25v caps around the IC TB1231N which usually leak and cause this, sometimes even sticking the tube, check it.sos eletronicos
SEMP2070E
Vertical closed when turning on the TV, and opens little by little50v 2.2 µf capacitor near the fatigued oscillatorPerform the replacement.Jorge Henrique
SEMP2987DS
JJ
It didn't turn on d876 d871872Greenish image r902Kkfernado tj maçeio
SEMP1490/AV
U14
LED on but I didn't break the horizontal oneC419 side + 6.3 volts on the other side it would have to be 5.1 this goes on the base of the horizontal transistorDiornens
SEMP2087
U11
Blue screen with sound without charactersD901 in4148 tube plateD901 in4148 tube platewellington
SEMP TOSHIBATV2997SU
Image a little closed at the top with return linesCheck r309Edson - SP
SEMP TOSHIBATV1490
U14
Power supply with oscillations and does not workCheck r876 (220r)Edson - SP
SEMPTV2091KAV
U15
Image shifted and moving to the right, and heating horizontal output.R447 (4k7) changed.Horizontal heating always check and replace (r447,c418,d418) generates q404=bu808Alextecnico
SEMPTV2083FAV
U11D2
So standbay +b normalC889 as low capacitanceELETRONICA AGUIAR
SEMPTV2934
Hitting direct relayStr-w6556a in power supplyJust replaceladmyr eletronica universal bh
SEMPTV2934BSL
SK-91
Burning horizontal output and fet irf630Shorted deflector coilReplace note; in my case it was possible to recover it by dismantling itpaulo-maceio/al