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/ TOSHIBA | LC 3241W | Difficulty calling | C 842, c 864, c 869 (replace without testing) | Miratec Eletrônica | |
| SEMP | TV 2934 (B ) SL SK-9 | Noisy power supply | C311 (47uf/200v) with low capacitance | Replace c311 | leitemarcellus |
| SEMP | TV2134 (C) SL SK11 | Green screen no image | 15k r525 open | Replace | ELETROCLAUDIOPE AGUAS BELAS |
| SEMP | 1431 NACDC U18 | No video via AV on normal channel 3 | Rv02 47r open | Replacement | josimar |
| SEMP TOSHIBA | TV 2134 | Nothing works, not even the LED, dead power supply | See resistors r602 and 603 68k | eletroademar | |
| SEMP TOSHIBA | TV 2134 | Does not turn on, the LED turns on and off and the secondary voltages drop to zero | Ver r633 220k e capacitor c634 | Eletroademar | |
| SEMP TOSHIBA | TV 2092 LAV U 16 AA085525 | Tsound is no audio | Audio stopped working | Mateus calebe | |
| SEMP | TV2934 SK-91 | Blue screen with retrace and turning off | Shorted blue cannon | Replace the tube! | Ádrian Chapadão do Céu-Go |
| SEMP TOSHIBA | TV2959 JFS LEM 10 | Kinescope does not demagnetize ptc good | Relay that feeds the coil beats but does not dock | Replace the relay | carlosss |
| SEMP TOSHIBA | TV1022 U13 | Vertical closed | R 317 changed to 8k on the 5v line near the top of the vertical | Replace r 317 | ALEX/FETTER |
| SEMP TOSHIBA | 2982KAVS | Works for 30 minutes and goes out until it becomes dark | Sken electrola 4.7 -250 volts and c 902 on the tube plate | Always use new components, do not work with used ones. | luiztvsom |
| SEMP | TV-2070F | Normal power supply with noise and acting protection | Q814 (just change it and run for the hug) | Jefferson Rodrigues | |
| SEMP | TVC147CR | Image with reduced frame, +b power supply with 70v | D 811 as escape | Replace it | eletroni c. r. |
| SEMP | TV2134 SK11 | The stand by LED turns on when it is about to start, it hits the relay and turns off | C 329 4,7uf/250v seco | I replaced c329 from 4.7μF/250v to 10μF/250 and went for the hug | Deusomar |
| SEMP | TV2090JAV U14 | Flashing non-vertical lists | Leakage capacitor c314 replace without measuring | Replace c314 1n5 | ALEX/FETTER |
| SEMP | TV2982 LEM10 | Vertically shrunken and folding at the top of the screen | Altered cap c303 smd. | Replace c303 (1k5 / 50v) | Eletronica Staub |
| SEMP | TV2051 U18 | LED LED blinks and does not turn on. | It was the photo coupler. | Replace | ELETROCLAUDIOPE AGUAS BELAS |
| SEMP | TV2050 U17 | Standby on and it doesn't turn on, it had all the voltages and it didn't work, but when you heat the board with a hairdryer it works normally. | It was the horizontal exit. | Replace | ELETROCLAUDIOPE AGUAS BELAS |
| SEMP | LC2640W HL57 | It turns off by itself, sometimes it doesn't turn on, it turns on and doesn't enter the channels. | Ic swap qa01 t5cb5-6np1 | Look on the website www.utpower supply.net, guaranteed delivery. | joaomvjr |
| SEMP TOSHIBA | TV2959JFS FS-8 918760 | After a few minutes on, the colors became distorted and stained (blue, red, green) | Problem with the demagnetizing coil relay | Resolder the relay legs (it's good to take advantage of the TV being open and resolder everything) | FABIANO FONTOURA |