Gradiente HT-M299S TV Repair: Common Faults and Solutions.
Search: Gradiente HT-M299S
Results: 20
Results: 20
Gradiente HT-M299S Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| GRADIENTE | HT-M299S | Red color varying until it disappears. | Zener d801 conducting on both sides. if the affected color is another, check the other two zeners. | Hardtecnica | |
| GRADIENTE | HT-M299S | Randomly the speaker making hissing noises or going silent. | Replace zener d632. good on the multimeter but it had a crack. | Hardtecnica | |
| GRADIENTE | HT-M299S | Reduced frame in the upper part with several messy horizontal lines in the lower half. | Change c406 0.01uf 50v | Hardtecnica | |
| GRADIENTE | HT-M299S | Screen with shrunken frame at the bottom. palliative was to increase the vlin in the service menu. | Change c414 of 1uf 50v | Hardtecnica | |
| GRADIENTE | HT-M299S | Turns on and before the image appears, turns off and a circle quickly appears in the middle of the screen | C524 10nf/1600v, after the change it turned on but it came with a white screen, I resoldered it and it was ok | JOSÉ GUSMÃO | |
| GRADIENTE | HT-M299S | Vertical top of shrunken screen | Check 9v ci 541 power supply | If it is low, replace the replaced fr-543 resistor..... | joelton |
| GRADIENTE | HT-M299S | Image flapping type: opening and closing in horizontal direction | Resistor r423 altered no pine 4 do ic401 la7840 saida vertical | markinhos | |
| GRADIENTE | HT-M299S | Black band on the left side of the screen measuring +or- ten cm wide and the rest of the screen a dark cloud and dismissing the image as an AGC defect on old TVs. | After suffering for a couple of hours and finding nothing, I deduced that it could be humidity because it had rained a lot sound in my city and it really was, humidity in the video detection coil inside the shield. | I did a good drying with a hairdryer and everything was resolved...ok. | Armando de Olímpia. |
| GRADIENTE | HT-M299SC | Closed vertical (wavy line) | Cold solder not bdv connector. | PY3IG | |
| GRADIENTE | HT-M299S | Turns on and goes into protection | Ci. short vertical la 7840 and zener 75v | ||
| GRADIENTE | HT-M299S | When changing the flyback, the device works with a blue band in the top image | C 546 capacitor de 220uf/16v | Capacitor with low capacitance, so replace it | Carlos Valinhos |
| GRADIENTE | HT-M299S | Turns on and goes into protection | C524 - 10nf/1600v changed | ||
| GRADIENTE | HT-M299S | Turns on and before the image appears, turns off and a circle quickly appears in the middle of the screen | C524 10nf/1600v, after the change it turned on but it came with a white screen, I resoldered it and it was ok | JOSÉ GUSMÃO | |
| GRADIENTE | HT-M299S | Vertical top of shrunken screen | Check 9v ci 541 power supply | If it is low, replace the replaced fr-543 resistor..... | joelton |
| GRADIENTE | HT-M299S | Image flapping type: opening and closing in horizontal direction | Resistor r423 altered no pine 4 do ic401 la7840 saida vertical | markinhos | |
| GRADIENTE | HT-M299S | Black band on the left side of the screen measuring +or- ten cm wide and the rest of the screen a dark cloud and dismissing the image as an AGC defect on old TVs. | After suffering for a couple of hours and finding nothing, I deduced that it could be humidity because it had rained a lot here in my city and it really was, humidity in the video detection coil inside the shield. | I did a good drying with a hairdryer and everything was resolved...ok. | Armando de Olímpia. |
| GRADIENTE | HT-M299SC | Closed vertical (wavy line) | Cold solder not bdv connector. | PY3IG | |
| GRADIENTE | HT-M299S | Turns on and goes into protection | Ci. short vertical la 7840 and zener 75v | ||
| GRADIENTE | HT-M299S | When changing the flyback, the device works with a blue band in the top image | C 546 capacitor de 220uf/16v | Capacitor with low capacitance, so replace it | Carlos Valinhos |
| GRADIENTE | HT-M299S | Turns on and goes into protection | C524 - 10nf/1600v changed |