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 | TV2991 | Turns on and off quickly, with closed vertical line | D301 opened to measure on the board, after removing it it measured normal, I still exchanged it for another one, then it worked fine | Put 1n4007 | ÁdrianChapadãodoCéu |
| SEMP | TV1491JAV U14R | Horizontal outlet burnt out, when replaced it heated up and didn't oscillate, I turned off the deflector and it oscillated, but it wasn't the deflector. | Replace the two secondary power supply transistors, q405 and q430 with the same reference or compatible with bd135, there is no point in measuring just replacing. | fabiusmax | |
| SEMP | TV 1484 U12 | Horizontal shifted | Altered or open resistor r447 | Alvaro (prolar) | |
| SEMP | TV2093 | Image when turned on, shaking and bending at the top, horizontal with 100v change capacitor 220x160v c884 | |||
| SEMP | TV2090 -I U14 | Taking a while to waver | Era c887 de 100uf 35v | Eletroclaudio Aguas Belas PE | |
| SEMP | TV2090 -I U14 | LED lights up, press pawer LED turns off but the TV doesn't wobble and it's all powered on. | It was the vertical output shorted | Eletroclaudio Aguas Belas PE | |
| SEMP TOSHIBA | LUMINA | Dark screen even with maximum brightness | Retire o c902 cinescopio | If I put another one I get the same problem | Edvaldo |
| SEMP | 1484 U14 | Deflector | neudes | ||
| SEMP | TV2083AAV U9 | Volume going off with the button appearing to be stuck (in some cases volume goes up, in others volume goes down) | High impedance touch buttons | Replace all touch buttons (there is no point in measuring, simply replace) | fernandocamarques |
| TV SEMP | 1470E | Inoperative does not turn on | I did research on the circuit and found r317 de1r open and the vertical output burned ref .tda 8403k changes and the TV started working again | I replaced the 1r resistor and ci ta8403k | eletromjb campina grande |
| SEMP | TV-1403 | Sem osd | Poor contact on r828(smd) and r447 | Redo the welds on these two components | Jarbas Santos (eletro-serv) |
| SEMP | TV1470E | No color just black and white | Ic501 ta8718n | Replace | Eletroclaudio Aguas Belas PE |
| SEMP | TV1490 | Image shaking as if the vertical were to close, processor heating up a lot. | Defective 7805 regulator, instead of giving 5 volts, it was giving 8 volts | Replace q421 which is a 5volt regulator 7805 | fabiusmax |
| SEMP | 2082 | Does not turn on, LED is on! | Cold solder not transistor q 430 | Perse | |
| SEMP | 1450 MAV U17 | Audio with dark image: | Replaced c902 1k 2kv, connected to grid 2. The TV returned to normal. | lucas40 | |
| SEMP TOSHIBA | TV2083BAV U10 | Off when volume increases power supply oscillating | Dido zener d876 de 5, shv e p876 smd alterado | Replace | Eletroclaudio Aguas Belas PE |
| SEMP | TV1490 | Vertical closedJust a scratch on the screen | C310 | ELETRONICA ARNI-LEOBERTO LEAL-SC | |
| SEMP | TV2987 | On and off with retrace lines | Saida Vertical Teada 9309 | Changing the output | tecnosat |
| SEMP TOSHIBA | TV2050 -TODOS | Low hoarse sound, on some devices the image expands into greenish tones | Q906 no gain (polarized) | Replace q906 a smd on the kinescope board (tube) | WAGGUINHO |
| SEMP | SD7050S | With sound + no image in any terminal | Mem. eeprom | Replace for the same | ÁdrianChapadãodoCéu |