Repair Tips
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Results: 88072
Results: 88072
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| ELETROLUX |
MTD30
|
Microwave turns on, but does not accept most commands | Display | Replace it using the "save chip" bar or raise j5 | Alysson Hardt |
| LG |
50PA4500
|
Stop | Shorted fets on the ysus board. value of resistor r577=2k2 | Cabeça | |
| LG |
21FU6TL
CW81B |
Does not help LED lights up when pressing the button to turn on the ledy turns off and returns to stand-by | Q840 | Replace the q840 tl431 | Sinai Santos |
| LG |
42PQ30R
|
With the image moved down 1cm | Defective t-con board | Stiltec | |
| SAMSUNG |
HT-Z210
|
After a few minutes on, fan chk appears and then turns off | Nr1 10r resistor changed to 20r, test it on the board, because outside the board it shows normal. | Replace nr1 resolved | André crisópolis |
| SAMSUNG |
HT-Z210
|
Protect | Capacitor emc8 next to the speaker connector changed, marking resistance 270r | Replace emc8 capacitor 100n | André crisópolis |
| SAMSUNG |
CL21Z50MQ
CHASSIS:K16C(N) |
TV turns on, activates the LED, but does not start, or generates | L808 open | The replace of the same | Jader Rocha |
| H-BUSTER |
HBTV32D03HD
|
Loud noise on the power supply and inverter board | Transformer, t901 changed the aspirators | Transformer replacement | Sousa |
| SAMSUNG |
UN55F8000AG
|
Doesn't start | Defect in the LED drive, power supply board. fet q9802c(9n40) | Luir | |
| AOC |
D26W931
|
1st problem: until then the TV would turn on and after a few minutes it would turn off because it got too hot. 2nd problem: after the repair, a new problem arises, the back light and stand by LED lamps did not turn on, flashing blue several times and did not turn on. | Damaged components due to time of use of the equipment. | 1st problem: changing the orange c958 330μF 16v and the ic902 - tny277pn on the power supply board. 2nd problem: changing ci smd 4449 q700 = ao4449 -7a/-30v ci smd on the main board close to the power supply connector. | Samuel.Infortec |
| LG |
L177WSB
LM76D |
Hissing at the power supply when trying to turn it on, and it wouldn't turn on, no screen. | Power supply 12v filter capacitors (3x 680uf x 25v) bloated | Changing the aforementioned capacitors, I used 820μF x 25v, standardized. | Hermes |
| LG |
E2041T
LM10E |
When turning on, the LG logo appears but then no signal is detected at the VGA input. | Check the 68Ω resistors on the vsync and hsync lines (r605 and r606). After changing them, if any of the colors are blown, also check resistors in parallel with the RGB lines (r600, r603 and r608 of 75Ω) | hermes | |
| PHILIPS |
21PT9467C/78
|
League without sound and image, with characters | D302 1n4148 with leak, you have to remove it to measure | To replace. tip sound from the channel | GDP2 Macajuba-ba |
| PHILIPS |
14GL1016/78
|
Turns on with sound, and without image. | Bad flyback, just change it, it will return to normal. | Marcones de Araripina-PE | |
| PHILIPS |
FX20X/78
SOM |
Doesn't start | Check the power supply. In my case it was some rusty components ex jumper and diodes. | Replace and repair. | JC Eletrônica Cícero |
| PHILCO |
PCX6000
CAIXA AMPLIFICADA |
Doesn't start | Shorted mosfet transistor q16 | Replace and repair. | JC Eletrônica Cícero |
| LG |
43LJ5500
|
Combines with tremendous image. | Insulate some tracks of the flat cable. on the defective side. | Defect in v-con. | JC Eletrônica Cícero |
| AOC |
T2464M
TV 24 POL |
Turns on with standby and backlight flashing. | LED bar replacement. | Replacement. | JC Eletrônica Cícero |
| SAMSUNG |
PL43F400AG
|
Doesn't start. dead | Burst pwm, resistor and broken ceramic cap. | Replace and repair (check the jumpers may be rusty) | JC Eletrônica Cícero |
| SAMSUNG |
LE40B530P7W
|
Standby only | Voltage input fuse open. | Replace and repair | JC Eletrônica Cícero |