Repair Tips
Search:
Results: 88215
Results: 88215
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
KDL-55HX755
|
Press to turn it on, it activates the green LED and then the red LED flashes 5 times indicating an error on the T-con Board | The ear of the LVDS cable on the side of the main board is broken, missing or bent and this means that the cable does not enter the connector correctly, giving poor contact or shorting and then the TV activates protection. | Replacing the LVDS cable | Eletronica SV - Guaira PR |
| AMVOX |
ACA 800 GLADIADOR
|
After being turned on for a while, the sound would disappear but for example the pen drive would remain running without volume. | On top of the ci 4558, a white glue closing it short, I removed it and it worked normally. | JMC Eletrônica e comércio | |
| TCL |
32S5400
32S5400 |
No secondary voltage (inoperative) | CA3 shorted - Close to the sound output | 10uF | Johnatan |
| SEMP |
1030FM
U18 |
Intermittent audio operation and Vertical output | Broken welds without 5v regulator Q421 | Ressold Q421 | MarcioTeixeira |
| SEMP |
1030FM
U18 |
It doesn't turn on or the LED lights up, without any noise. | IRF540N(Q703) from 12VDC/+160VDC power supply in Short | Replacing Q703 and D704 protection diode | MarcioTeixeira |
| TOSHIBA |
40L2400
|
Turns on, then turns off | Voltage regulator | ||
| AOC |
LE43D1452
715g6934-p01-000-002h |
no picture | replace LEDs and reducing LED current | remove resistor r8613 from 1r and resistor r8616 from 1.2r above smd | orlando lott |
| LG |
55UJ6300
eax67146203(1.1) |
stuck in standby | c1603 smd raw and L1601 open | replace the same ones I removed from scrap | orlando lott |
| SAMSUNG |
PL51D490
|
Grainy/almost 100% dark picture after replace RPJ30H1 or FGPF4536 IGBTs | Y-sus burning R5126 (6R2), shorting out several ceramic capacitors on the line. | The short is actually in IC U5014. After replace it and replace the 6R2 resistor once again, it started working again. | World TV - Sorocaba |
| POSITIVO |
212VA-P
|
Green LED flashes and does not turn on | Several stewed capacitors at the power supply | Replace: C915,C930,C914,C922,C917,C918 and C919, All 1000uf/16v | Wsmartcell |
| LENOXX |
CA-318B
|
It turns on but after a while no audio comes out. | High supply voltage, reaching 20v. An external 17v power supply was connected and it worked normally. | 16 volt DZ2 with problem. replace it | Daniel |
| SAMSUNG |
UN49NU7100G
|
Half of the screen was bright, the other half was dark. | Broken jumper on the power supply board | A Jumper at the mosfat output that controls one side of the LEDs has a jumper under the heat sink of the 2 diodes and 2 fats on the secondary, just reconnect the jumper and it works again, but even so you have to reduce the current of the LEDs on this model . | Eletrônica ATM |
| H-BUSTER |
HBTV-42L03FD
|
Stuck on stand-by | On the main board, D26 and D27 (1N4004). replace without measuring. | Eletrônica Barbato | |
| PHILIPS |
NTRX300/78
|
Works but with display off | Shorted capacitor on display board | Replace capacitor ec302 position on board | Aquiles |
| CCE |
LED 24TV
|
Doesn't turn on | Check cold welding at the power supply. | Resolder font | Rafael, Tecnico. |
| PHILCO |
PH32F33DG
|
Does not work.led stby off. | Tsound is no 3.3v power supply | See, replace D406 3.3v power supply protection. (Diode shorted) | Arock |
| TOSHIBA |
48L2400
|
missing +5v | Before replace the FLS206MR, replace the NB955 photocoupler (defective) | HAHNRAHN | |
| TOSHIBA |
48L2400
|
Nor +5v | Before replace the FLS206MR, replace the NB955 photocoupler (defective) | HAHNRAHN | |
| TCL |
32S5400AF
|
Dead | CA2 capacitor in the audio system. | Gilvan | |
| AOC |
32S5295
|
After replace the display it was inverted (upside down) | on the tcon of the new display, look for a 3.3v point and inject this voltage into pin 10 or 11 | mega center |