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Results: 88086
Results: 88086
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SEMP |
TV1452OAV
U19 |
Vertical closed | Change electrolytic cap c306, 1000x16, | dj pituka | |
| SEMP |
DL2443
|
Doesn't work | Led stand-by aceso. | Replace regulator n805 1.8v | Carlos Rocha. |
| SAMSUNG |
UN48J5200
|
TV does not turn on blinking standby LED | I checked the voltages were varying after removing the PCI the power supply was stable I noticed that the varicap was a little rusty after opening it was full of water I dried it and cleaned it with isopropyl alcohol the TV turned on again. | Drying and cleaning the varicap | Salatiel10 |
| LG |
43LK5750
|
Gray screen, with sound, no video. Normal tcom board voltages. | Tcom board | Replace of it. | arock |
| PHILIPS |
32PFL3406D
|
Turns on with normal sound, but backlight off. | Problem at the power supply. The power supply's primary voltage doubler circuit does not work, making the secondary's 24v below 18v. | Changing the power supply's STK0160 transistor, it is in the power supply's PFC circuit. | rafaelmoraes99 |
| SEMP |
2134
SK11 |
Image turning blue | Resistor r506, 15k, changed | Component replacement | Francisco |
| SAMSUNG |
UN40C5000QM
|
It doesn't turn on, only with the STD BY LED on. | Check photocouplers, remove and measure on a high scale (x10k) to identify possible abnormal leakage. | electronicssupplyparts - Gramado/RS | |
| PHILCO |
PH51U20PSGW
|
It doesn't turn on, it just stays on stand-by | Apparently it would be a software update, but it was the faulty power supply board | Replacing the power supply board | Arnoltec |
| PHILCO |
PH400N
|
Normal stand by you turn on the volume button it turns blue but nothing works | Probably shorted usb reader board and card reader | Release the 2 whips that go to the plate. These two functions will be lost but the device will work again | Magalhães |
| PANANONIC |
TC-L39EL6B
|
Doesn't start. Stand by LED does not light up | Check smd disc capacitors in main for short | In my case it was a shorted cap next to the ic7805 | oskarala |
| AOC |
LE50S5970
|
TV inoperative, no stand-by lights up | D9311 shorted to the power supply. substituted and scored for Grêmio!!!! | EC | |
| LG |
42PG20R
|
Links with strange characters, distorted menu. | Change lc 802 memory | Mariano | |
| LG |
55LA9650
|
Turns on but does not light up the screen, normal 3.5v, 12v and 24v power supply, normal power on with 3.5v, but drv on without voltage | Defect on the main board, but as he couldn't find this board to buy, the solution was to heat the processor at 400 degrees for 4 minutes with the consent of the customer who was warned that the problem could return. | Mário Fernandes Testoni Junior | |
| SEMP |
DL4077
|
Lower LED current | Remove rp77, rp75, rp74 and rp72 both from 1r | Leave without resistors rp72, rp74, rp75 and rp77 | NEI |
| PHILCO |
TP 2054
|
Image warping and turning off | Low primary power supply | Swap d918 and zd908, at the power supply near the c.i. 901 | eletronica fernandes |
| LG |
14FK3RB
|
The league has 110 volts but does not have 15 kz. | Measuring the processor, a fault was found in the voltage of hor vcc pin 19. solution to change c523 1000uf/10v | ELETRONICA OURICURI | |
| TCL |
L43S4900FS
|
Lower LED current after replacing them | Remove one of the smd resistors from pin 2 of the ci driver u300, r314 | davi.sls | |
| LG |
32LK615BPSB
|
When turned on, the remote works for about 30 seconds, then stops working. | Remove or replace c4010, main pci. | electronicssupplyparts - Gramado/RS | |
| AOC |
LE24D1461
|
Inverted screen after changing the main board | Wrong panel id. use 201 or 205 | Just enter service mode (menu+1999+back), go to the "panel id" item and replace. | NelsinhoPira |
| TOSHIBA |
MS 7945MU
|
Does not turn on, no secondary voltage, only amplifier voltage (~50v) | Cold soldering on ic904 and ic905 (photocouplers) | Resolder ic904 and ic905, or replace if necessary. After this, 3.3v should appear on the secondary and the stand-by LED will light up | Bruno |