Semp TV Repair: Common Faults and Solutions.
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Results: 2824
Results: 2824
Semp Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SEMP | TV2134(B)SL | Power supply with +b at 60v, the TV does not turn on, from the impression that it is on the primary, power supply does not arm. | Capacitor c634=47ufx160v without capacity, dry I didn't measure anything. | It was replaced and it looks great. | Armando de Olimpia Eletronica EvoluSom. |
| SEMP | TV2134S | Turned on and off, as a protection against a short | C=634 of 47/160 v | Resolved | geremias |
| SEMP | 1484 A | Call but there is only av image | Image appears on the channels | Image appears on the channels | antonio |
| SEMP | TV 1452 | Screen with small frame low power supplys +b56v 6.5v and 8v | Regulator strw5453 | Domingos da Eletronica | |
| SEMP | TV 2134 | It doesn't turn on, it looks bad vertically | Capacitor eletrolitico c634 | Domingos da Eletronica | |
| SEMP | TV 1483-U11 | Blue screen and screen does not work | Diode d901 | Domingos da Eletronica | |
| SEMP | TV1030NACDC-FM U18 | Vertical closed mainly when the TV is cold and sometimes when it is turned on the vertical closes voltages on the vertical output only on pin 3 which lacks the voltage of 1.54 v | First I changed the vertical output and I believed it was fixed because it was working normally all day the next day the vertical closed again and here on this site I found information from Evandro Estrela that there was a cold solder on the Q430 | Voltages on the q430 e=14.49 c=14.56 b=15.15 vbe 0.69 and when the TV is normal e=9.09 c=16.47 b=9.67 vbe 0.57 | Helio Eletrosonic |
| SEMP TOSHIBA | U14-U17.. | Fountain comes and then falls | No power supply on pins 6 and 2, due to mass leakage from the vertical ci | Replace ci tda9302a v(tda9325) | jasvan souza |
| SEMP | TV2084 U11D2 | Vertical closed | Q831 without power supply, resistor r831 smd with cold soldering ok..... | EDMILSON | |
| SEMP TOSHIBA | TV 2090 U13, U14... | After changing the leaky fly, there was only a blue screen, and no sound (mute) | Q612 with leak (it is on the standing plate) | If removing Q612 works, replace it, it could be bc557 adjusting the position | jasvan souza |
| SEMP | TV-2134 | Dead | Inoperative shorting ci601 (str w6564) almost instantly. Cause: c607 (220u/450volt) “dry” and part of the rectifier bridge leaking. | Solution: replaces ci 601,c607 and d601,602,603,604 and c604,605(ceramic). | Jarbas (ELETRO-SERV) |
| SEMP | 2070 | D811 | Eliel Magno | ||
| SEMP | TV1030NACDC-FM U18 | Defective stv9302b vertical output. horizontal line in the image (closed vertical) | If I don't have the stv9302b code, you can put la78040b | Helio Eletrosonic | |
| SEMP | TV2134 A SL SL11 | Turning off with vertical closed | D301 | Replace | EletroClaudio Aguas Belas |
| SEMP | TV 2934(B)SL SK91 | It worked after a minute, turning it off and making a boom from the speakers. | Ic 601. strw6556a. | To replace. | @gepe |
| SEMP | TV 2080 | Yellowish color | Capacitor c511 with leakage killing the 8v on pin 2 of the tda8718 ci | Capacitor replaced | |
| SEMP | TV2982LAVS LEM 8 | Hissing at the power supply | C819 47/50v | Replace | EletroClaudio Aguas Belas |
| SEMP | SD7070 | Sometimes it turns on sometimes it doesn't | Defective power key cap | You have to replace it because sometimes it measures normal | ELETRONICA AUTO TREVO |
| SEMP TOSHIBA | TV2089 | It only stays on standby with the power supply at 77v. | Capacitor c887 descapacitado. (100mf x 35v) | To replace | Persio (TVCompany) |
| SEMP TOSHIBA | TV2091 | Does not come out of standby | Transistor q430 open. | To replace | Persio (TVCompany) |