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Results: 87709
Results: 87709
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
32LD350
|
Noise on the tcon board appears to be at the power supply. | I washed the board and it was fine. | Eletronica EASI | |
| PHILCO |
PH40N70DG
|
Backlite lights up but tv doesn't generate image | Capacitor d8 on vcon shorted | Replace D8 | wander teixeira |
| PHILCO |
PH39F33DSG
|
Turning off by itself after about 5 minutes | High heating in viper17 | Viper17 defective, replace and run to the hug | CDS_DIAS-LEDTECH |
| SAMSUNG |
LN40B530P2M
|
Does not turn on (normal power supply) | C207 short (it is next to the ic8005 memory) | Capacitor elimination | duc40rj |
| LG |
OM4560
|
Nothing turned on, tsound were 20 volts at the power supply output but when I pressed the button to turn on the power supply it dropped to 12v | Cause of the defect was a q920 transitor close to the oscillator ci switch without measuring | Eletrônica DIGISOUND | |
| SAMSUNG |
UN65HU8500GXZD
|
Doesn't start. Defective standby power supply. defect caused by the plastic underneath the PCI which rots and releases conductive oil and which also corrodes the board | Replacement of the IC pwm of the standby power supply s3330 position ics801 and the 1Ω resistor position rs801. Clean the board thoroughly and check for possible corrosion spots that could cause other defects on the board. | rafaelmoraes99 | |
| SAMSUNG |
PL43F4900
|
Sometimes it doesn't turn on, it doesn't even light up on stand by, sometimes it turns on | Do a test with a thermal blower or a head heater on the main board, if it gets hot and turns off, replace the capacitors c1024 and c1025 with 10uf/25volt electrolytic capacitors, note: observe the polarity, just find the negative side with a multimeter on the device's chassis | reginaldo moronte,eletronica junior caldas novas | |
| LG |
32LK450
|
Performs functions alone (call AV, menu, change channels, turn on alone...) | Touch keyboard. I couldn't find it to buy. | I disabled the keyboard by disconnecting pins 4 and 5 of the p2401 connector on the main one. Now it works but only for control. | Mau3000 |
| LG |
RAD226B
|
Display and stand bay flashing | Shorted audio output (tas5612a) | Tecmaps | |
| AOC |
L22W631
|
Remote commands do not respond after heating | Voltage 3.5v pcb go low around 1.8v yellow connector, | Dirt under the function board. Cleaned with isopropyl alcohol and voltage stabilized at correct 3.5v | |
| AOC |
L22W631
|
Noise pcb power supply, voltages 12v high around 15v | Complete secondary electrolytic replacement | ||
| PHILIPS |
42PFL3604/78
|
Red standby LED. When connecting via the keyboard or control, the LED goes off but the TV does not light up the screen nor does audio come out. | Capacitor on main board c474 smd of 4.7uf x 16v on short. | I replaced it with another 4.7v x 400v one (note: the TV is mine and as it was Sunday and this capacitor was the one I had, I ended up putting it in). | Miguel |
| CAIXA ONEAL |
OPB 4030 BT
|
No sound turns on normally | It was working normally and signaled protection and cut the audio | Francisco | |
| MULTILASER |
RE509
|
Does not turn on red LED on | Regulator u25 | Josetecnico | |
| LG |
21FJ6RB
MC - 059A |
Black band with white border on the inside or (lower) part of the screen | R - 313 of 47k changed or opened | Replace | Mauro Mascarenha Tel. (88) 981422821 Parazinho - ce |
| MULTILASER |
RE509
|
Stand bay led does not turn red | Regulator u25 | Josetecnico | |
| PHILCO |
PCX16000
|
Turns on, everything works, but no sound | Ic5, 3v6 regulator, low voltage | Shorted ceramic capacitors, c25, cn07 | MP ELETROINFO |
| PHILCO |
PH58E51DSGW
|
Image faded and then became completely white | Blackened image - leaking capacitor | Leaking capacitor in the sector of the driver board remove it - a leak with a reading of 320 oh | PROJETO58.COM.BR |
| PHILIPS |
32PFL5403/78
|
Doesn't start. the relay hits and doesn't turn on. | Capacitor swollen on the inverter board. | Replace it, resolved. | ArnolTec |
| LG |
50PK550
|
It doesn't turn on, without vs, without the power supply it doesn't turn on | The two pfc relays were not activated | Replace npn smd transistors q705 and q706 | LOOPTEL |