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 | TV2134CSL | No audio | Resistor 100k r404 | Resistor 100k r404 | DJ PITUKA |
| SEMP TOSHIBA | PLACA U13 U13 | It takes time to turn on and when it turns on the screen turns red and after about 10 seconds it starts to pulse, turning off and on and with some vertical retractions. | C862 ceramic open or burnt, c810 with low capacitance, q901, 903 and 905 shorted, open or with cold welding. | Replace and go do another one! | Jailson Lima |
| SEMP | 2134 | It turns on and off, oscillating the power supply up and down. | Check the capacitor (c-613) it must be broken (1k x 2kv) and replace the strw 6554) | Eletronica Tv color Videira sc | |
| SEMP TOSHIBA | LC3246WDA | Negative image | Image was pinkish in some colors | I re-recorded the 16-pin and bimba memory | jp eletronica |
| SEMP TOSHIBA | 40L2400 | This TV has already changed the LED bars 2 times this and 3 times | So as not to burn the LED on the bars, I did this procedure, I changed the resistor r765=2r2 smd to 4r7 smd, the 160v voltage drops to 150v, and the voltage of the LED bars was 94v 220ma drops to 88v 1.6ma, the TV worked It worked and it didn't come back, but my client has been in my workshop for 7 months, everything is ok. | Defect resolved | Andrei |
| SEMP | TV1492LAV U16 | TV takes almost 20 minutes to turn on. It stays on stand-by, then it turns on by itself. | C419 sold out. | C419 - 47μF/50v | Carloscte |
| SEMP TOSHIBA | LE4050(B)FDA | Turns on, shows an image and then turns off the LEDs, the sound remains normal | It seems to be a defect on the inverter board, I changed the r52 on this p.c.i from 470k to 100k but it didn't solve it. | I searched the net and found how to disable the protection of the i.c ssl100sn, pin 02 put a 1k resistor to ground and if the defect persists put pin 8 a 1k resistor to ground too. follows as it is on the net: "I have a great day, I'm new and I just subscribed just to give another solution to the ssl100sn inverter circuit.. note that tsound is very little to say anything. information. well, the point is that searching one forum to another and after doing tests, I can find the integrated pin which is the olp and the ovp. The olp is located on pin 2 of the ssl100sn. in case the television turns on, it is heard and not seen) the ovp is located on pin 8 of the same integrated in the same way, to be able to cancel the protection, simply place a resistance of the same value (1kΩ) in the case. of having pin 2 grounded and continuing to fail. Well apparently that was all, for now, I would like to know your opinions, suggestions or also if you have already found the answer. | MIGUELTV |
| SEMP TOSHIBA | TV2134 SK11 | The output of the 78040 vertical heats up excessively, after changing it it works for a while and then burns out again | Defective deflector | Replace deflector | Stanley01 |
| SEMP | 2086H | Low sound | Q631 q611 was muting the TV | Domingos rm silva | |
| SEMP | LC4242WDA | Doesn't start | Does not turn on, 5v normal, pfc normal, main supply does not work | Swap c865 22/50v exhausted | eletrônica avila |
| SEMP TOSHIBA | DL3254AW | With audio.leds on.without video.on t.com,only 12v.smd capacitor cd25-10uf shorted.the voltage on this capacitor is 30v. | After changing this capacitor everything went back to normal. Electrolytic can be used. | gesuino | |
| SEMP | 2090 | Heating until the bu808dfi horizontal output burns out. | This TV heated the horizontal output a lot even though I replaced it with other similar transistors, the defect remained. | Connect two d2539 or 1803dhi transistors in parallel, connect base to base, collector to collector, and emitter to emitter. preferably place it on a heatsink. Even though they work with temperatures that don't exceed 50° and that's it, the TV will never have any problems in this place again. | MARCONES DE ARARIPINA - PE |
| SEMP | TV1450MAV | All blue fabric | Resistor 963 (15k) completely damaged | Marcos cientista | |
| STI SEMP TOSHIBA | LE3973 | It doesn't turn on, only the stand by LED lights up in green when it's correct and it turns red | Without 5v in regulator u8 as1117 | Following the trail on the back of the board tsound are black diodes, in my case d1 was open. | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| SEMP | TV2084GAV U12 | Burning horizontal output when it oscillates. | C440(6k5/1k6v) open deforming the wave | Can be replaced by the 6k8 and everything is fine | jr_TEC |
| SEMP | 2934 (C) SL | All secondary power supply voltages low, +b 130v only with 15v - led off | Q 604 (br c1815) shorted | Replaced q604 (br c1815) tv had normal voltages. | Rdo Antônio Acre |
| SEMP | 2090 U14 | Dark screen with no image | C902 102 lsk shorted | I added another component to the device, it was very good | colequinha eletronica |
| SEMP | TV2934(B)SL SK91 | Power supply with 160 volts | R619 270 omhs | Replacing resistor r619 | sandes eletrônica |
| SEMP | TV2051NAV | Vertical closed | D885 change without testing | D885 replace without testing | DJ PITUKA |
| SEMP | TV1450MAV U17 | No contrast, even at maximum level. | Chap. of disc ceramic on the faulty screen line (1k/2kv) | jr_TEC |