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Results: 88089
Results: 88089
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| TOSHIBA |
MC855MUS
|
No mute sound | Cold salad or defect in q 901 or something along those lines killing the negative 12 v | Resolder the transistor and check if the short in the zener diode hz902 is a 12 v zener, also check the capacitor ce913 if tsound is tension if not beforehand also check the components up to the transformer. | |
| GRUNDIG |
VLE6142
|
Bad image, half screen | Lots of changes, lots of changes. | Mário oliveira | |
| SAMSUNG |
50NU7100 50RU7100 49RU7100
|
Image only in the middle of the screen. like a strip of light in the middle of the screen with a normal image and the sides, everything is dark! | Burnt out LED bars and high current in the LED power supply. | After changing the LED bars, replace the r9201 and 9101 resistors with 4r7 x 2w resistors and sand the light-diffusing acrylic. | Samuel Silva |
| U14R |
2090
|
Low supply +b around 75v, all the components that cause this defect were analyzed and they were all good... | Q432, smd transistor in the center of the board. | Do not replace, take off the board. (tec, edfersom varjota-ce) | Edfesom |
| TOSHIBA |
2090
|
Low supply +b around 75v, all the components that cause this defect were analyzed and they were all good... | Q432, smd transistor in the center of the board. | Do not replace, take off the board. (tec, edfersom varjota-ce) | Edfesom |
| SEMP |
2090
|
Low supply +b around 75v, all the components that cause this defect were analyzed and they were all good... | Q432, smd transistor in the center of the board. | Do not replace, take off the board. (tec, edfersom varjota-ce) | Edfesom |
| PANASONIC |
SC-AKX52LB-K
|
Doesn't start | Ci mip2f2 in position: ic5799 short also checks the t5751 trafo | Exchanging it and running for the hug | Airton Filgueira |
| PHILCO |
TV PTV32G50SN
|
Does not turn on the LEDs.. | Defect in t con, when you turn it off, the LEDs come back on. | Na t con qe 10 and ct 843 shorted. | Eletrônica Lelo |
| PHILCO |
TV PTV32G50SN
|
Does not turn on the LEDs.. | Defect in t con, when you turn it off, the LEDs come back on. | Na t con qe 10 ct 843 shorted. | Eletrônica Lelo |
| SEMP |
2982
|
After changing capacitors c637 and c636, which were open, the sound returned, however, it was intermittent. | Q630 even though it amplifies normally, it must be replaced, I discovered this after wasting an entire day changing parts. | Replace the q630 | Edfersom |
| ELECTROLUX |
MEF41
|
It doesn't turn on, the display doesn't light up, it doesn't work | Dead microprocessor | Ground pin 8 (reset) for a brief second | jheliocavalcanti |
| LG |
37LH20R
LH |
Hdmi inputs 1 and 2 do not work | Q 301 and q300 leaking, burning with lightning | Replace q 301 e q300 | ELETRONICA RODRIGUES ALUMINIO SP |
| SAMSUNG |
PN51H4500
|
It turns on whenever it wants, I noticed that on hot days it turned on easier | Qq807 and qq806 at power supply | Replacing std5915 transistors | FelixClank |
| PHILCO |
PH29E52DG
|
Dark image, not LED backlight | Low voltage in dc-dc inverter. 1m resistor rp70 giving 820k. just change. detail, in cp39 and 40 it has to give 45v. | Replace 1MΩ smd resistor position rp70. | NelsinhoPira |
| SEMP |
2134 CSL
|
Turn on and off | Diode d305 in the -16v supply from the vertical. normal average time, no time. | Swap d305 (fr104) | MARCONES DE ARARIPINA-PE |
| SEMP |
2134 CSL
|
Constantly turns on and off. | -16v diode of vertical d305 modified. | Replace d305 | MARCONES DE ARARIPINA-PE |
| TOSHIBA |
LC4245
|
It doesn't turn on, nor does the STBY LED light up. | Capacitors cb 904,905, photo-couplers. in the case photo of the 5v power supply, | Replace mentioned components. I replaced them all to avoid future problems. | arock |
| TOSHIBA |
LC4W245
|
It doesn't turn on, nor does the STBY LED light up. | Capacitors cb 904,905, photo-couplers. in the case photo of the 5v power supply, | Replace mentioned components. I replaced them all to avoid future problems. | arock |
| LG |
49LJ5550
|
TV didn't work just trying to flash the stand by, it had 5v and didn't release voltage from the power supply... | Wifi board near on-off button shorted | I released it and it worked instantly... now just get another one. | Max Coelho |
| SONY |
KLD 32R305
|
Turn on and off 3 times | Bad led bar | Customer in a hurry, a 32-inch Samsung bar was adapted and it worked |