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SEMP Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMPTV 1490I AV U14
Takes time to callC 419 47mf/50vReplace for a new oneze nunes
SEMP TOSHIBA20A77
U8
Power supply with approximate voltage of 51 volts and does not oscillateElectrolytic capacitor c877 exhaustedMACCELETRONICA
SEMPTV2050MAV
U17
Horizontal black bar on one side or all darkResistor r 447 altered or openReplaceAlvaro (prolar)
SEMP TOSHIBATV 2092 LAV
U16
Vertical open only 3 centimetersShorted transistor q430Replace with bd135fabiusmax
SEMP TOSHIBATV 2092 LAV
U16
It didn't work, be careful with changing the transistor q430It didn't work, it didn't come out of standby, I replaced the Q430, it wasn't original, I thought an RGB driver transistor, tube board would solve the problem.The vertical kept closing at the bottom after a lot of brainstorming I thought about replacing the q430 with a bd 135 and that's it, sound's just a tip so we don't waste too much time on simple things hugsfabiusmax
SEMP TOSHIBATV 2092 LAV
U16
It didn't work, be careful with changing the transistor q430As I said, it didn't work, don't leave standebyefabiusmax
SEMPTV2090AV U14
Screen with reduced frame without controlsDido 5, shv / power supply de 5 volt d840
SEMPTV2070E
Dark vertical listsC446 e c447Replace for new ones....Elias2305
SEMPTV2070E
Vertical closed at the bottom of the screenC 303 (2.2uf)The replacement...Elias2305
SEMP-TOSHIBATV2082E
U7
Retrace lines at the top of the screenC325 100uf x 35v alteradoJaison
SEMP-TOSHIBATV2082E
U7
Vertical closedQ303 tda3653b defectiveJaison
SEMP TOSHIBATV 2050MAV
U17
Do not exit standby, it sometimes works very difficultI replaced transistor q 432I didn't put the original one, I replaced it with a smd npn transistor that I found in scrap, but it's always good to use the original or equivalentfabiusmax
SEMP TOSHIBATV2050MAV
U17
Dark screen, black characters...Replace c902 no screenElias2305
SEMP1495TAV
U11
Characterless green screen (caption)Memoria 24c04 smdELETRÔNICA GOMES
SEMP1492
TV stays on stand-by, does not oscillateZd 432 com flake 9.1vReplacehaecio
SEMPSD7050S
LED turns on and offC8Replace itElias2305
SEMP TOSHIBATV1492LAV
U16
Vertical does not open fully with many retrace lists....C 306 dry or alteredReplace for a new one....Elias2305
SEMP TOSHIBA1492LAV
U16
It only works on 110v and the power supply makes a lot of noise....C 880Replace without testingElias2305
SEMP1480 E
Blue or drizzling screenVaricapeTo replaceJDANTEX
SEMP20TV2029
2029
Black image does not define the colorCap. 102 1kv pl. do tubo screemReplaceZUCH