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Semp Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMPTV2134BSL
SK11
It doesn't turn on, the relay would hit and it wouldn't turn on, the 3.3v voltage was 3.18v, when I released the 3.3v micro pin, the voltage was normal,Change micronas, I was starting at 121, and ending at ap4. I put one with the ending 21. It workedDJ PITUKA
SEMP TOSHIBADL2971(B)W
Burning LED bus.Excess voltage (42v) on the LEDs. In this model, the ideal is 36vRemove resistors rp83,85,87 from 2r2EvandoViana
SEMPDL4844
Flashing red LED, won't turn onI replaced ci nb953 (looks like tranzistor), for kia431 (near the photocoupler)Eletrônica Pires
SEMP TOSHIBALC 4055 FDA
Blue LED and the video doesn't turn onExhausted capacitor cw 953Replace of the same.ggn
SEMP2134
SK11
When you plug the TV into the socket, it helps and then turns off and just keeps hitting the relay.C636Replace the 1000μF16v c636 and the TV will work normally. God be praised!Sinailson furtado
SEMPDL4844
Flashing red LED, won't turn onI changed resistor near the three coupler photos, rb952 of 330 to 270ΩEletrônica Pires
SEMP TOSHIBA TV 2134 C SL
Hitting the relay and it won't turn on.Change q 606 8050 and that's itRual de saja eletrônica R.E
SEMPDL4844
Flashing red LED, won't turn onDesoldering and resoldering smd capacitors close to the ci n956 and tranzistor v954, it looks like conduction in the glue under these capacitors!Remove and return these capacitorsEletrônica Pires
SEMPTV2177(A)SL
SL11
The TV had no AV image, normal soundDz 704 shortReplace it for another like itELETRONICA CAVALCANTE EM MARTINOPOLE CEARA
SEMPTV1453 (P)AV
IMPORTADA
I'm soundCapacitor c603 470uf 25vReplace without measuringEletroclaudiope
SEMPU17
U17
Replace q840.Q840 open one of its junctions.Replace q840.Edfersom
SEMPTV2934(B)SL
SK-91
50v low power supplyTl431 changedImagem
SEMPTV2134(C)SL
5800-A3P630-0030
Vertical closed top with linesFaulty ic301Replace the ic301Eudes
SEMP TOSHIBALC4058(C) F
Dark image (no brightness)Power supply with ripple, c 878 220mf x16v, cw963 22mfx250v and cw961 22mf x250v, all sold out.Replacing them.CalixService
SEMP TOSHIBA DL3277IA
When you press the power button, the TV turns on but the LEDs do not light up!Zadbukh wonReplace the 27v zdp5 zener diode and the 1r rp77 and the TV will be working normally. God be praised!Sinailson furtado
SEMP TOSHIBATV2098
U16
TV generates, reduced image with vertical lines below. 70v low power supplyD873 general purpose diode 1n4148 openRicardo silva (PA)
SEMP TOSHIBA 32L2400
Normal image, but with hoarse sound (as if the speaker was torn)Capacitor c224 and c226 exhaustedReplace them, if the defect persists, replace c236, c211, c212, c217 (0.47μF smd capacitors)Ev antunes
SEMPDL4700
Flashing standby LEDDiodo dp09 - ba158Replace even though it measures good. If you can't find the BA158, you can replace it with the UF4007
SEMP TOSHIBA32L2400
Red LED on, does not turn on, voltages are as if the TV was working on the n807, it cannot have 3.3v on stand byReplacing the ci dc/dc n801 which was badSwap n801samuel leite
SEMPTV2934BSL
High power supply, hits the relayReplace r d614 zener 30vAGNALDO