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Results: 88172
Results: 88172
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
T27A550
|
Turns on and then turns off | Qm850 cracked, open or shorted | Replace, you can use irf9540 | Dudutekk |
| GRADIENTE |
TFH-2970
|
Does not turn on, +b with 70v and LED off. | Capacitor c513, 22nf/50v at the power supply changed | Replace the capacitor c513 22nf/50v at the power supply. | MARCONES DE ARARIPINA-PE |
| TV CCE |
29 USP
|
All white screen with retrace line | Open rf901 resistor | Defect resolved | Francisco Pereira Chicão cajazeiras pb |
| SAMSUNG |
UN40ES6100
|
Stand by piscando | Regulator defect!!! | Defect on the power supply board ci regulator fsfr1700xsl position (icm801) | Vital eletronica hawai 12 |
| SAMSUNG |
CL-21Z50MQ
KSCA |
High power supply 180v | Zd810 of 5v1 with leak and c101 of 330uf x 16v shorted. | Replace of zd810 and c101 | Ronaldo Correia |
| PHILCO |
PH21M2
|
TV turns on and turns on R437 heats up a lot | C437 or c438 burst | Replace | Sandro Parabólicas |
| PHILCO |
PH21MSS
|
LED blinking and won't turn on | D13, d18, d19 | Replace | Mauro Mascarenha Tel : 88981422821 |
| PHILCO |
TPF2940
|
Turns on arms the relay in seconds Turns off disarms relay | I tested the fly back, it's ok, the defect is in the shorted deflector coil, I replaced it, resolved | Defect resolved | Andre |
| PHILCO |
PH21SS
|
When turned on it oscillates, but with a low supply, around 83v, without image. then stops oscillating. turns off. | Resistors r553 and 554, close to the b+ adjustment trimpot, with oxidized terminals, changing their value. | Replace the two resistors. | Gilcimar Rocha Pereira |
| AOC |
L32W831
|
When plugged into the socket, the red LED lights up, activating power turns on the blue LED, but the device does not work. By insisting 3 or 4 times the power turns on and works normally. When I turn it off, even when it is hot, the device repeats the previous symptom and only turns on if I insist several times. | Power supply board defect. I resoldered all the components, I said all the components of the power supply, and, to my surprise, the defect disappeared permanently. | Resolder all power supply components. | Joaquim Santana |
| AOC |
LC42D1320
|
Pfc pressing | D914 with leak | Replace diode | Mário Martins |
| SEMP STI |
32L2400
|
Burning leds | When checking the LEDs you notice excessive heating | R764 and r765 connected to the base of the v761 limit the current to the LEDs, I added a 5r6 resistor and they no longer burned | Mário Martins |
| LENOXX |
TV617
|
Bent vertical or upper disabled | Leaky 1n4004 diode | Replacement | carlosquasar |
| PHILCO |
PH21MG SS
|
TV turns on and off heating of resistors r816a and r818 making a noise at the power supply | Q802=2n5551 shorted | Replace and go to another one, in my case I didn't find the same one, I used a bc548 (remembering that the bc548 has to be placed inverted because the emitter is on the other side | Antonio Carlos(Eletrônica Renascer) |
| SEMP |
U16
U16 |
Power supply with all voltages turned off | C861 ceramic | Replace the same | SEVERINO ALVES |
| MAGNAVOX |
29MT4515
|
Flyback replace | If you can't find jf0501-8604, jf0501-2136 and jf0501-21835 are substitutes. | Tested sound in the workshop | Alexandre Oliveira |
| CCE |
TV 2118USP
|
Vertical closed | Transistor position v541 blown, put an inverted tip 42 | INTERTEC ELETRONICA | |
| AOC |
LM722
|
Turns on and works for a few seconds and then the screen goes off | Defective capacitors c216 and c215 | Marcos Mello | |
| CCE |
D320
|
After changing the primary fet(q9) and (q10) and the secondary shorted diode(d11), I turned it on and everything blew up again. | Trafo (black) t8, also change the t5 | HP ELETRONICA | |
| CCE |
HPS-2991 PS
|
Oscillating the horizontal closing heating horizontal frequency transistor | R435 4k7 msd aberto. | Replace. | Eletrônica Visao joao hamilton ibirapitanga Sul ba |