Repair Tips
Search:
Results: 88148
Results: 88148
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
42LH
|
No image on screen | Inverter power cable for lamps saturated | Changing the inverte power supply cables in the replaced socket. | rogeriofederal |
| SONY |
40EX525
|
It would turn on, it would change from red to green LED quickly, it would not turn on | Switch to main board short on bga | Switch to main board short on bga | rogeriofederal |
| TOSHIBA |
TV2123(O)FS
U19 |
Completely stopped, charge retained in the power supply capacitor | Photo coupler | Replaced and solved the problem | Antonio Carlos (Eletrônica Renascer)Boa Vista do Gurupi-MA |
| CCE |
1418USP
|
Cce 1418usp tv with straight side black strip | C417 (331) 2kv with low value | Replace the same one for a new one, the problem is solved. | JP-ELETRONICA SANTA CRUZ RN JOÃOZINHO |
| PHILCO |
KH111F 1.6
|
Turning off in a few minutes | V502 close to ptc | V502 2sc2383 I couldn't find it on the market so I replaced it with 2sc2655 | Fábio |
| DAYTRON |
DTH-1427FS
|
Dark screen normal channel or video character input | Exhausted capacitor near the croma cap c527 0.22mf 50v | Thanks help please | jrezende |
| PANASONIC |
TC14A12
|
It works and for stanby it blinks | Activating protection. | It could be: optocoupler d 807 r 631 of 360k protection q 401 and r 401 r 520 and r 521 r 864 replaced or... remove the r 643 from the protection and that's it! | Uti dos eletro |
| LG |
CM4330
|
Doesn't start | Diode d923 | Just replace. | ELETRONICA LINE ORG CICERO LIMA |
| MITSUBISHI |
TC 2018
|
Functions locked | Open resistor r 725 -9k -pertodo micro | ||
| PHILIPS |
21PT6456
|
The TV does not turn on, the + 115 volts oscillating between 60 and 80 volts | Defective photocoupler, just change it and the TV works again | Flavio Aragão | |
| LG |
42LC2RR
|
Turns on after some time, +/- 20 minutes | Check cold welds on r107 and r108 | basilio98 | |
| LG |
21FU6TL
|
Turns on and off then actuation protection and loaded power supply | Vertical c.i ic301 shorted | Note: you have to remove it to get to the defect because if you turn off the power, the TV still has the same symptom | Medeiros |
| PHILIPS |
14GL1015/78
|
Image squeaking a lot | 560k resistor position 3965 change to 100k | Replace the 560k resistor r3965 with a 100k one and the sound is normal. | MARCONES DE ARARIPINA PE. |
| PHILIPS |
FWP2000X
|
Cutting the bass and treble in the bass potentiometer, the current varies from 2.9 to 1.2v that goes to the micro. | Cap c56 e c40 | You can leave them without them. | guinga (sdia goias) |
| PHILIPS |
FWP2000X
|
Volume increasing and decreasing by itself, | Defective capacitors. at the foot of the manual volume potentiometer | Chapter 92 and chapter 93 | guinga (sdia goias) |
| LG |
42PQ30R
|
The power supply relay keeps hitting twice then turns off and turns on again by hitting twice | Replace d 104(1n4007) e zd 155 ( 15v) | ELETRONICA SILVESTRE | |
| LG |
20CD2R
|
Does not turn on does not light up stand by | Normal +b power supply does not have 5v | Lack of voltage 5 v replace regulator 78r05 ic806 | Center som |
| PHILCO |
PH29T21D
|
Works and turns off | Keyboard board with shorted keys | omegaomega | |
| RECEPTOR CENTURY |
BR2014
|
Doesn't start | Diode 4004 | Replace a 4004 diode with a 4007 | marcos santos juazeiro bahia |
| TOSHIBA |
32L2400
|
The TV sometimes turns on, sometimes it doesn't, when it turns on the image appears and then turns off. | Regulator 3.3 is regulating only 2.9v | Replacement regulator 3.3 1117 | Eletrônica Possamai |