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SEMP Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMPTV-1452AV
U19
The stand by LED only flashes and does not start, it may flash.C 865 pottery on the runC865 10n replacementALEX/FETTER
SEMPTV1491
Dark screenC902 openNilson
SEMP TOSHIBATV2134(B)
SK11
Image with fog effect180v line electrolytic capacitor with broken terminal (4.7mfx250v)Barter itHipereletronica service (MARCELO)
SEMP2050 MAV
U17
With a dark band on both sides and the q 840 heating up and burning the 5v6 diodeMicro processor replacementI couldn't find the 8873crang6f18 processor and I put the 8873cpbng6hjo in its place, everything was ok.allanaeletronico
SEMP TOSHIBATV2998FS
LEM 3A
TV turns on and then goes into protection1000 x 2kv capacitor c902 shortedReplacefegargai
SEMPTV 2134SKY
SK11
Breaks and cuts, with secondary voltages pulsingC634 dryReplace c 634 de 47μF/160vGeorge Pontes
SEMPTV2058M
Darkening after a few minutesC902(2200pf/1kv)Replace the sameJarbas Santos (Eletro-serv)
SEMP TOSHIBATV 2091
U 16
Heating the horizontal output and the power supply entering protectionVertical output short stv 9302hseverino alves
SEMPTV 2134
High power supply c634 47uf/160volts dryReplace component, but this type of defect can be caused by other altered components.fabiusmax
SEMP TOSHIBATV 2070 E
Image closing from the sides.Cold solder on the anode of d807, negative terminal of the diode that is connected to t803.It was just resoldering and it was ok.Armando de Olímpia.Eletronica EvoluSom.
SEMP LCD 40LC4046
Automatically turning on and off.Common diodes in the SMD silicon stand by power supply. you measure how good it is. It almost killed me with anger.Replaces. 1n4148 reset. between them tsound are two zener diodes,Expedito da eletronica
SEMPTV2090
U14
The TV turns on with a cricket-like noise at the power supply and turns off immediately, to turn it on again it is necessary to discharge the main capacitor of the power supply.D302 shorted.If it still keeps turning off, replace the ci tda9302ÁdrianChapadãodoCéu
SEMP-TOSHIBATV2082E
U7
DeadSolda fria transistor q883 2sc1854Jaison
SEMPTV2959(J)
FS8
Turns on and offC884 de 330x160vilson Dos Reis
SEMP TOSHIBATV 2934 (B) SL SKY SK-91
SK-91
Arming protection by turning it on and offDiode d306 change without measuringCLM ELETRONICA
SEMPTV1452
U19
Bluish screen with no characters no soundQ906 e q611Removing q 906 returned the image and removing q611 returned the soundjuci
SEMPTV2090HAV
U13
TV changes the strg5653 and it burns out or if you connect it to 110v it makes a noise in the power supply transformer@@@R876=680r smdHelp yourself leave your tipELETRONICA ARNI-SC / LEOBERTO LEAL
SEMPTV2982 KAVS
LEM7
TV works - loses brightness intermittent defectC902Replace c902 -102 lsk on the kinescope boardEMERSON RIBEIRO
SEMPTVC10IL
Dark imageBulletsResistor near the luminance tripotLOU
SEMPU13
Dark screen with no characters and the reduced frame on the sidesR840 open and q840 leakingI replaced the two and solved itluciano