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 | 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) |
| SEMP | TV2084 U11 | Poor contact, image disappears | It is quite common in this model, to check the smd 831 resistor next to the varicap | BETO ELETRONICA ACRELANDIA ACRE | |
| SEMP TOSHIBA | 14A82 U8 | Does not turn on; burning tsh. when connecting with a lamp in series, the lamp blinked and the TV turned off; a spark could be heard on the flyback | Cracked tube; replace the same; Tsound are 4 100mfx25v caps around the IC TB1231N which usually leak and cause this, sometimes even sticking the tube, check it. | Tsound are 4 100mfx25v caps around the IC TB1231N which usually leak and cause this, sometimes even sticking the tube, check it. | sos eletronicos |
| SEMP | 2070E | Vertical closed when turning on the TV, and opens little by little | 50v 2.2 µf capacitor near the fatigued oscillator | Perform the replacement. | Jorge Henrique |
| SEMP | 2987DS JJ | It didn't turn on d876 d871872 | Greenish image r902 | Kk | fernado tj maçeio |
| SEMP | 1490/AV U14 | LED on but I didn't break the horizontal one | C419 side + 6.3 volts on the other side it would have to be 5.1 this goes on the base of the horizontal transistor | Diornens | |
| SEMP | 2087 U11 | Blue screen with sound without characters | D901 in4148 tube plate | D901 in4148 tube plate | wellington |
| SEMP TOSHIBA | TV2997SU | Image a little closed at the top with return lines | Check r309 | Edson - SP | |
| SEMP TOSHIBA | TV1490 U14 | Power supply with oscillations and does not work | Check r876 (220r) | Edson - SP | |
| SEMP | TV2091KAV U15 | Image shifted and moving to the right, and heating horizontal output. | R447 (4k7) changed. | Horizontal heating always check and replace (r447,c418,d418) generates q404=bu808 | Alextecnico |
| SEMP | TV2083FAV U11D2 | So standbay +b normal | C889 as low capacitance | ELETRONICA AGUIAR | |
| SEMP | TV2934 | Hitting direct relay | Str-w6556a in power supply | Just replace | ladmyr eletronica universal bh |
| SEMP | TV2934BSL SK-91 | Burning horizontal output and fet irf630 | Shorted deflector coil | Replace note; in my case it was possible to recover it by dismantling it | paulo-maceio/al |
| SEMP | TV2934 | Making noise on the str and pad | C607 from power supply | Replace power supply c607 | wellington |
| SEMP | TV 1030 U17 | Does not tune channels | Dz 312 (10v) secondary power supply 9v | Dz 312 curto 10v | wellington |
| SEMP | U17 | Black stripe on right and left sides | 6n8 capacitor | Beto Eletronica Acrelandia AC | |
| SEMP TOSHIBA | TV2134 SKY | This TV arrived at the workshop with a very funny defect, it started normally as if it would work but then cut out | Loss of capacitance of a capacitor (c634 cap 47uf 160v) | Replace do cap c634 cap 47μF 160v | Ozenildo |