Search: Semp
Results: 2824

Semp Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMP2134(B)
SK11 T1
With sound but no image (dark screen)Vertical output (tda4865aj)Replace for the sameTécnico Valdeci Junior
SEMP LC3245W
Does not turn on, stand-by LED turns red, activating power turns green, but 12v voltage does not appear.Optocoupler PC817 code board on NW950 and CI AZ431 code board on VW951 shortReplace the two components mentioned - be careful, only carry out maintenance if you are an electronics technician, ☠ risk of electric shock ☠Eletrônica Heinz - São José - SC
SEMPTV2051NAV
U18
Low volume at full volumeC613 220 uf por 25vJust put another one on and the TV will have good sound againMarcos paredão
SEMPTV 2051NAV
U18
Low raspy sound at full volumeQ611Just remove it and problem solvedMarcos paredão
SEMPTV2134(C)SL
SK11
It doesn't turn on and has all the voltages, it just keeps pulsingC224ReplaceELETROCLAUDIOPE
SEMPTV 2051NAV
U18
Bluish image without normal colorQ906 smd defective on crt boardRemove it from the crt plate and just run to the hugBolota eletrônica
SEMPTV 2051NAV
U18
Burning q404 horizontal output 1803dhi when it turns onC440 7n8 for 1k6 which was weakReplacing the TV component was just a wireBolota eletrônica
SEMPTV2134
SK11
126v power supply on flyback. killing the 18v on the stk630D613 ba158 openReplacetécnica vital eletrônica
SEMPLC3743W
Sometimes it doesn't turn on, when it does turn on it works normally. When the 12v power supply fails, it has 4v.Change electrolytics c864 and c865 22uf/63vEderlin
SEMP TOSHIBATV-2934(B)
Noise at the power supply and after 2 minutes the image turns green+b filter capacitor (47μ x 200v) was dry. One of 100μ x 160v can be placed and it will be fine.Replace the c-311 power supply capacitor. good luck friends.Giovani
SEMPTV2134
Vertical closing at the top of the screen with stripesDiode d304 note: changing faces is running for a hugFlávio eletrônica
SEMPTV1450MAV
U17
No contrast, even at maximumDon't waste time testing, change cap. ceramic on the screen line (102k)jr_TEC
SEMP LE3273A W
Plug it into the socket and then it turns on with a red LED, then it switches to green and doesn't do anything else, it just keeps the green LED on all the timeRegulator transistor u8 as1117l open near the processor, just change it and run for a hug guysTransistor u8 as1117l openeletronilo
SEMPCL3255
Power supply does not turn on (lightning has gone out)Nw901=q0765 ; zw904=6v8...uzei 2 de 3v3 ; rw901=2r2(no esque.mostra10r mas é 2r2) ; qb904=2n3904 ; zb901=16v ; db904=1n4148 ; qb903=5160pnpFirst= I removed the nw901 and zw904 (I turned it on, the TV came out working)...minus the 24v (blacklite)...with a flashlight and antenna via the image and sound.....Alextecnico
SEMPTV2934
SK91
On and off. If you insist, sometimes connect with a closed vertical and off-center. the line is at the bottom.Power supply giving almost 200 volts.Vertical shorted tda4865aj, c634 100x200v of the +b power supply secondary.Eletrônica R-Tec
SEMP2052
U19
Return lines at the top of the screenCapacitor c-308Replace of the sameJose Isael AssisTec
SEMP2052
U19
Replace itR313 51kReplace itjose isael
SEMP TOSHIBA TV 2134 (C)SL
SK11
Knocking led relay turns on and off and wouldn't turn onIn my case, I just changed the flybackfrancisco iloia
SEMP TOSHIBATV1021
Vertically closed almost completelyC303 2.2x50v bad leakedReplace itorlando lott
SEMP TOSHIBADL3277
TV turns on, has picture, but no sound"sdin" signal that arrives at pin 22 of the audio ci tas5707 coming from the non-existent micro. (no audio input signal on the ci)Changing the microprocessor or changing the entire board because the micro and BGA solder.Ivan Bustamante