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SEMP Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMPTV-1491KAV
U15
Intermittent power supplyC-864 secReplaceluciano
TV SEMPTV-29221
It has audio but no sound comes out
TV SEMPTV-29221
It has audio but no sound comes out
SEMP1490(I)
U14
One more tip for forum colleagues: normal image, varying the brightness until retraction lines appear on the image (as if it were the fly-back screen adjustment).Causa: c 445 (0.022\250v.) no pino 8 do fly-back.Note: tsound is no point in measuring, you have to replace it directly. good luck!adhemar caetano da silva (tecmil eletronica)
SEMPTV1491KAV
U15
Turning off and on quickly by itselfDefective q430ReplaceEletroClaudio Aguas Belas
SEMPTV2134 B SK11
As soon as you turn on the TV, it closes the horizontalQ 606Replace it for a bd 135Tele sat eletronica
SEMPTV2958FS
LEM-FS3
Black belt depending on the sceneC224 10mf/50v esgotado no pino 27 microReplacementpaulo-maceio/al
SEMP2157
U18
Blurred blue screen with flickering sound and dark right sideQ906Remove the q906 from the board and that's itBETO ELETRONICA ACRELANDIA ACRE
SEMPTV2134B
Totally inoperativeC634 amendedReplace the sameJarbas (ELETRO-SERV)
SEMPLC4246FDA
After a while the lights blink or when they turn off and on againThe glue resin under the resistorsRf901-902-904-913-924-920 remove the resistors, clean the PCI and reset againAlvaro (prolar)
SEMPTV2092
U16
LED comes on, press the power button, it takes a while to turn onC 887 100 x 25 power supply secondaryOsmildo, Nova Lacerda MT
SEMP TOSHIBA2934 SL
U9/U11
Fell closed vertical radiusI replaced q301 stv8172 it didn't open normal voltage the 60hz pulse was missing I checked the micro voltage it was missing 5v supply shorted regulator output pin causing the shorted varicap problemARNALDO OTSUKA
SEMP TOSHIBATV 2981 KAVS LEM 7
Sometimes it turned on, sometimes it didn't, it kept flashing standby and noise from the speakerC819 - 22/100 uf capacitorReplace! as I didn't have the same one, I put the 33/160 v one. It was 100%BSE manoel bonfim
SEMP2084 FAV
U 11
Vertical closedI already changed the verticalI want a tipgilmar
SEMPTV2084 FAV U11
White screen with no characters, poor contact.After redoing the critical resoldering terminals, it presented a white screen and no commands on the keyboard or on the control. First, for prevention, I replaced the d901. Then the epron. but this defect persisted. So I deduced that it was another component that could not be the micro or other processor because the local clock and data readings came from the infra sensor.I replaced the infra sensor with another original one, the TV was like new.ZAK som
TV SEMPTV 1470
Turns on and off then power supply +b highD812 defectiveantonio c. joão
SEMPTV2050
DeadReplace of the q804 (j6806 for a d2553) and also the 220mf/160v capacitor884arnaldo j m p
SEMPTV 2016 MMS
U17
No squeaking sound and snoring a lotRemoval of pci- ps01a next ca 68 capacitorWislen Alves
SEMP1492
U16
Not startingChanging the q402 comes out for the hugeletronica diones
SEMPU11
U11
Stripe on the left side, slowly heating horizontally, and subsequently causing burning of the flyback and shD320Replace diode d 320, I already noticed this defect on d 410 and the capacitor connected to it is 2n2Roberto Consertos