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Results: 87713
Results: 87713
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
LENOXX |
CA 310
|
I'm sound | Completely without audio | Q 2 open | J Marques |
PHILCO |
TP20V56
|
Dark screen with only characters | D602 burning | D602 diode replacement | eletronica o gilvan |
SEMP |
TV2083
U9 |
B+ with 130 on and off, in 1 second. After changing q501, vertically closed, it was the c301. | Processor q501, tb1238n, shorted, | Macajuba | |
PHILIPS |
FWM143
|
Doesn't start | Change all power supply/output capacitors change power,vol+ -,dbb switches see blue wire connector track with broken track | Warley cesar | |
LG |
22MA33N
|
Does not turn on - short in the 19v input from the external power supply | C1112, but it could be c1113, c716, c718, c803 or c804 | Fernando S | |
SEMP TOSHIBA |
TVC-100
|
Fully closed vertical | R316 of 10r toast and d306 with leak, almost shorted | Replacing these 2 on the TV solved the problem | Rgs011 |
SEMP |
LC4046
|
No image appears, just the stand by LED lights up | Large electrolytic capacitor from the power supply fully open, just change it and it worked | reginaldo moronte,eletronica junior caldas novas | |
SEMP |
L43S4900FS
|
Backlight turns off after a while only when using applications, on channel backlight does not turn off | Defective backlight, but the explanation I found is from YouTube, credits to the friend at the link below | Https://www.youtube.com/watch?v=i2x0vswl1cs | MIGUELTV |
SEMP |
LC3245W
|
Does not turn on or stand by / 5v giving 1 and a little | CB956 ceramic capacitor with leak (next to photocoupler) | Replace without measuring | Andre Vargas |
LG |
50PA4500
|
League with blurred image on screen | Check r408 and 410 2r2 on ic402. | Replace them because they were open, good luck. | Eeonal Eronaldo (ERONTEC) |
AOC |
D32W831
|
Power supply with hiss (noise) | Add a 100nf x 25v ceramic capacitor on pin 1 of the ic901 to ground | Eletrônica JJ | |
APC |
APC G4 1000
|
They look like a cicada (tzzzzzzz) | Change all the 4.7mf/100v electrolytic capacitors, mine had one exhausted and the other with low capacitance | ALVES.TEC ELETRONICA | |
PHILIPS |
NTXR500 NTXR700 NX5 NX7
|
It works and loses sound slowly, when playing on the mixer the sound comes back loud. | Capacitor smd | On the main board, look at the flat that goes to the amplifier. In the part that is soldered to the main, follow the audio line to it, tsound will be two capacitors coupling in series with the signal. just replace. | tecnardi |
SAMSUNG |
PN 43H4000AG
|
Doesn't start. all tension in place. I made auto gem works normally | The defect was the censor board along with the keys | Replace the censor board along with the keys. and I go back to normal | Fernando Nascimento 082981408610 |
INFOSEC - UPS SYSTEM |
X1
E206420-NE5000 |
Does not detect AC input from the electrical network above 127 volts. works only in battery mode. | UPS normally works at 110 to 120V AC. | Replace 1m smd resistor r23 by 1m2. | MLTOLOI |
SAMSUNG |
LN40D550
LN40D550 |
Whitish image | Placa tcon | Replace tcon plate run to hug | RIC TEC ASSISTENCIA 11930967971 |
PANASONIC |
TC-L42U30B
|
Normal turns on 3 to 5 minutes... power supply switching... heating up the ic803 a lot | Dz804 de 18volts na base do q817 | I replaced the ic803 and it stopped heating up and switching the power supply (dz804 leaky zener) | Alextecnico |
APC |
APC G4 1000
|
They look like a cicada (tzzzzzzz) | Change all the 4.7mf/100v electrolytic capacitors, mine had one exhausted and the other with low capacitance | ALVES.TEC ELETRONICA | |
SAMSUNG |
LN26R71BAX
|
Red central stand-by LED flashing | Low pfc power supply osilating from 130 to 160 volts and low secondary power supplys turning on and off | Replace the primary power supply rectification filter capacitor, it is exhausted. 150µf for 450v | Eletronica SV - Guaira PR |
SAMSUNG |
UN48H4200
|
Unstable operation, turning off alone, display turning off out of nowsound... | 13v below normal and oscillating | Resistors that regulate the 13v, which create the 2.5v used by the tl431 | Davi.sls |