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Results: 87707
Results: 87707
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILCO |
PVT40E20DSGWA
|
Backlight blinks, picture blinks, LED blinks | In tests on the PCI LED drive, R0B5 of 200k SMD was found next to L0B1 | Only the two wires outside the board connector that power the 3 LED bars | You tube - Direto no defeito |
| SEMP TOSHIBA |
2051 NAV
U18 |
TV turns on normally, but with a hissing sound in the font, it appears to be in the flayback | Is tsound a dry or leaking capacitor, check c865, c448, c435 and C864 | In my case it was the C864 with low SR | DTEC eletronica Massapê ce |
| SEMP TOSHIBA |
2051 NAV
U18 |
TV turns on with a line in the middle of the screen as if it were vertical and shaking as well as shrunken on the sides | When measuring +B it was at 73 volts and all voltages were half | replace photo coupler or strw of the primary power supply, in my case it was the strw leaving the voltages low, I made the replace and the TV returned to operating normally | DTE Celetronica Massapê ce |
| LG |
22LH20R
|
No picture | Disarmed IC protection IC301 With a 10k resistor pin 3 to GND | Disarmed IC301 R10K pin 3 to GND | Panther Tech |
| SEMP |
1454(P) SL
|
TV closing picture with black band on top and bottom | The cause was the 39k resistor in position R210 and the capacitor c217 | Just swap them and it will solve the problem. | AssisTec - Manari/PE |
| PHILCO |
PH28N91D
|
TV doesn't turn on, only on standby | U3, 1.8v regulator measuring 1.5v | When turning on it has to give 1.8v and drop to 0, while running away it maintains low voltage. | Beto,Eletrônica Box 4 |
| LG |
42LN5400
|
Random off/on | Cap 1u500 has a 1688 cap with other good parameters | replace | Warley cesar |
| PIONEER |
CDJ200
|
Does not appear on screen | Out of nowsound the blackout on the screen | MBM | |
| HAIER |
HR50U3SDK1
|
no picture | c83 with tcon leak | replace or remove. | anselmo |
| SAMSUNG |
LT27B350
|
Sometimes it works, sometimes it doesn't. Sometimes it turns on and off, displays the logo and turns off. The LED blinks twice five times. | See Q202, transistor (marking \\\"1E\\\"), which is on the signal board, close to the socket that comes from the power supply | replace it | Easi |
| JBL |
BOMBOX 1
|
Does not turn on or charge | Short in charging IC, causes damaged charger wires | C.i on load pci U17 and R204 4.7R | Medeiros Eletrõnica Barbacena MG |
| PANASONIC |
TC-L32C30B
|
turning off | replace resistors R7830 and R7829 from 470r to 1K | oskarala | |
| LG |
14SB1
|
No sound. | Capacitor (C611 of 47uf 25v) of the ripple filter replaced. It is connected to terminal 1 of the CI LA42071 (IC601 - audio) and goes to GND. | Sígmar de Oliveira | |
| SEMP TOSHIBA |
32L2400
|
Flashes immediately, without picture + with sound | Open LEDs. | replace the bars, remove resistor 765 from 2R2. The voltage will drop to 82V, giving the new bars more durability and a guarantee of never returning with the same defect. | IM TECH |
| CARREGADOR MAKITA |
DC10WB
|
it doesn't turn on and it's not a fuse and it's not a vaistor | cold solder nor100 and replace without measuring the ic 204 kia potentiation transistor 431B | you can replace for - TL431 or AZ431 or KIA431 or LM431 are the same and just replace and receive the money from the customer | glaydysom |
| SONY |
KDL 40R485A
|
turns on backlight without the logo and turns off - standby led flashes 5 times | v-com board cd06 - cd07 - cd08 - cd09 one of them is shorted | eletronica millenium | |
| PANASONIC |
TC-L42U30B
|
It turns on, the picture appears and goes off, it does this 3 times and then the standby LED flashes once at each interval | Activating protection. In the power supply board connector that goes to the main one, on the power supply side, remove the wire from pin 12 and ground | Eletrônica Barbato | |
| LENOX |
CA 3000
|
Does not connect Bluetooth | Resolder the PCI chip and remove glue from the SMD capacitor terminals | Medeiros Eletrõnica Barbacena MG | |
| BRITANIA (PHILCO) |
BTV39G60N5CH
|
SO HE STANBY | QE3 SHORT NPN FET | REPLACE CHECK CE49 , UE7 | Eletronica tensao R, Jacuipe |
| SAMSUNG |
UN55KU6000
|
Stand By Flashing and does not turn on | Display defect | Flat bottom plate main board - isolated more or less 15 tracks from bottom to top - Perfect picture without anomalies. | Paulo Braz |