Repair Tips
Search:
Results: 88059
Results: 88059
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
SAMSUNG |
LE32B350F1
|
Lights up by itself. when it's cold it takes a while to turn on | 1000µf capacitors on the 5v line defective | Put new ones | |
SAMSUNG |
UE55HU7100S
|
Without image, with sound and with the LEDs on | Problem with t-con. cd11 short | 10µf/63v can be used to replace CD11 | Matias |
SAMSUNG |
UE40H6200
|
Does not light up, the LED blinks. low voltage 390v (+/- 320v). 15v is missing on pin 8 of the icp801. | Transistor qm821 (zg) or (7cw) with leakage | ||
SAMSUNG |
UE55MU6105K
|
The LEDs turn on and off but no image | Bad contacts in the flats | ||
SAMSUNG |
UE40D6510
|
The TV doesn't start and keeps restarting. | Reflow the mainboard | ||
PHILIPS |
42PFL3527H
|
The standby LED turns on, then goes off but does not start | Fotoacoplador ic9106(pc123) | EL817 can be used | Marco Marques |
LG |
32LG3000
|
Just the 12v voltage on the t-con. short between pins 10 and 11 of the max8728e. | Max8728e and as15-g with problems | Replace both ci, check if the power supply has been affected | Marco Marques |
LG |
55UB820V
LD48V |
Without image, with backlight and with audio. | Capacitor on t-con c331(22µf) shorted | Replace c331 | Marco Marques |
CCE |
D4201
GT 309PX |
Does not tune channels. | Regulator u14 open. 1v voltage does not reach the acg or c to g pin. | O14 - S1117Bh - 2.5 | Gerivaldo |
SAMSUNG |
LN32A450C1
|
It turns on standby and does not turn on via the button or control, it flashes briefly but does not turn on. | Secondary power supply with capacitor cb852 (1000uf x 25v) swollen and some cold soldering. | This capacitor had already been replaced previously, perhaps a chronic defect, so I added a 35v capacitor just in case. | PIXEL ASSIST |
PHILCO |
PTV 22G50D
|
Don't turn on dead tv | Short in the dc converter responsible for the voltage of 5vs, capacitor ce4, 22mf x 6.3 shorted near the audio output | Roberto eletrônica curto circuito | |
LG |
42LN5200
|
Doesn't start | Problem on the mainboard. ic404(rt8289) defective | Substituir circuito integrado rt8289 (5a, 32v, 500khz step-down converter) | Pascual |
SAMSUNG |
LE37S73BD
|
You lose the tuned and memorized channels. when turned on, it searches the channels again, | Defect in eeprom ic3004(m24c32-wmn6tp). defect possibly due to ripple voltages from the power supply, | Check power supply voltages and capacitors. reprogram eeprom | Pascual |
HANNSPREE |
HSG1143
|
Does not turn on, tsound is no 5v at the power supply | Check ci tny277 at the power supply and if tsound is a bloated or leaking capacitor | Replace tny227 and any defective capacitor | Edson SP |
TCL |
L32B3303
|
When turned on, "initializing" appears and doesn't go through, nothing else turns on | Defective 25q64 memory | Read 25q64 and write to another memory | Edson SP |
PANASONIC |
TX-L42E30
|
Washed canvas | Check cold solders on t-con integrated circuits | Edson SP | |
SAMSUNG |
UE46F5000AW
|
Does not light up, restarting and never turning on | See cold welding in the power supply choper | Edson SP | |
SAMSUNG |
SYNCMASTER 540N
|
Turns on but no image appears, just standby light on | Shorted smd capacitor c614 | Changing the capacitor, remove it from the board and turn it on, if the image appears, replace it with another equivalent. | MaskarenzzO |
LG |
CJ87
|
Device without sound but turns on normally, but the amplifier power supply switches on and off. | It was the photo coupler from the power supply itself open, ok. | Galileu Rocha | |
CCE |
D4201
GT 309PX |
Does not tune channels. | Regulator u14 open. 1v voltage does not reach the acg or c to g pin. | O14 - S1117Bh - 2.5 | Gerivaldo |