Gradiente GT 2022 TV Repair: Common Faults and Solutions.
Search: Gradiente GT 2022
Results: 17
Results: 17
Gradiente GT 2022 Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| GRADIENTE | GT 2022 | Normal power supply, didn't turn on | Coil l-802 shorted, output horiz.q 402(d1877) shorted, c402(381x2kv) shorted. | Changing the coil, c402, at the output I used bu2522ax, it has a diode and resistance from base to emitter. | geraldo de petrópolis |
| GRADIENTE | GT 2022 | Inoperante; sem std by. | Change all capacitors on the +b 130 volt line (160v insulation); change capacitors on the 9 volt line. check regulator 7805; If the board shows signs of component heating (surrounding surface darkened), replace it even if it is still working. never come back. | Waldir Salum Junior | |
| GRADIENTE | GT 2022 | Very high voltage in the pacifier | Check the fly back ferrite, it may be loose | Ademar / Videira sc | |
| GRADIENTE | GT 2022 | White screen with characters only | Replace ic 201 | Ademar / Videira sc | |
| GRADIENTE | GT 2022 | Tv without contrast | Add 01 120r resistor with c515 on the abl line | Ademar / Videira sc | |
| GRADIENTE | GT 2022 | Burning horizontally. The horizontal transistor would only burn if you connected the pacifier to the tube | Defect that kept me awake for 2 days and made me lose 5 transistors. It was the knetron fly back that was defective; I replaced it for another one and great! | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| GRADIENTE | GT 2022 | TV without video screen off, sometimes bright streaks appear. | Ic201=ta8822sn shorted. | It was replaced and resolved. | Armando eletronica EvoluSom |
| GRADIENTE | GT 2022 | Power supply does not arm, does not work | Capacitor c809 22o mf x 25 v aberto ou with loss of capacitance. | cgomes42 | |
| GRADIENTE | GT 2022 | No brightness and no contrast. The abl and components have already been checked, everything is ok. | Bad picture tube. | Replace for another. | JAILTON |
| GRADIENTE | GT 2022 | Very high voltage in the pacifier | Check the fly back ferrite, it may be loose | Ademar / Videira sc | |
| GRADIENTE | GT 2022 | White screen with characters only | Replace ic 201 | Ademar / Videira sc | |
| GRADIENTE | GT 2022 | Tv without contrast | Add 01 120r resistor with c515 on the abl line | Ademar / Videira sc | |
| GRADIENTE | GT 2022 | Burning horizontally. The horizontal transistor would only burn if you connected the pacifier to the tube | Defect that kept me awake for 2 days and made me lose 5 transistors. It was the knetron fly back that was defective; I exchanged it for another one and great! | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| GRADIENTE | GT 2022 | TV without video screen off, sometimes bright streaks appear. | Ic201=ta8822sn shorted. | It was replaced and resolved. | Armando eletronica EvoluSom |
| GRADIENTE | GT 2022 | Power supply does not arm, does not work | Capacitor c809 22o mf x 25 v aberto ou with loss of capacitance. | cgomes42 | |
| GRADIENTE | GT 2022 | No brightness and no contrast. The abl and components have already been checked, everything is ok. | Bad picture tube. | Replace for another. | JAILTON |
| GRADIENTE | GT 2022 | When turned on, the "stand-by" LED goes off, remaining inoperative | Integrated circuit ic 804 (lm 7812) faulty |