Repair Tips
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Results: 88147
Results: 88147
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
TC-40C400B
|
Turning off (defect in leds) | To confirm that the defect is in LEDs | Put 10K resistor on C7806 (disables protection) | Cesar |
| SEMP TOSHIBA |
40AL800A
|
Green LED, has 3.3V without 24V, locked in the inoperative green LED | replace TL431 (U402), replace photo coupling (PC2) | Gaeletronica | |
| LG |
50UR8750PSA
XXXXX |
LED OK. No picture. | capacitors C9004 and C9104 | Replace it | nildo eletronica em bezerros PE |
| LG |
32LD460
|
It turns on, gives an picture and gives a simple flashes and goes out, after that the Standby Led is winking continuously | Inverter tract with escape/insulation on the secondary winding turns | I replaced stuff for another of a scrap I had | MIGUELTV |
| PHILIPS |
42PFL3604/78
|
Only red led, not part, | C474 replace near the crystal on the main plate | C474 na PCI principal | Rodrigo cofferi |
| AOC |
32W156
|
Do not turn on LED deleted 5 volts that goes to the main PCI oscillating replace without measuring diode 9103 at the primary power supply near the fet | Diode 9103 replace without measuring | Roberto wr eletrônica Goiânia | |
| AOC |
32W146
|
Do not turn on LED deleted 5 volts that goes to the main PCI oscillating replace without measuring diode 9103 at the primary power supply near the fet | Diode 9103 replace without measuring | Roberto wr eletrônica Goiânia | |
| AOC |
D42H931
|
Stand by Ocilating and Don't Call | C 945, C 946 and C 947 of the power supply | Mariano | |
| PANASONIC |
TC-39A400B
|
Led replace | Current reduction (voltage) | In my case the voltage was 34.4V. In PCI Drive Inverter I removed all resistors R145,146,147,147 of 0R20 and put two from 0R47. For tensions that are in 39V, place four 1R resistors. | EVANDO VIANA |
| AIWA |
AD-R40U
|
Plays tape had difficulty working, crashing, reversing out of time and poor contact on the keys. | replace of cold welding belts in the connectors connecting the front plate and dry lubrication on the white gear with the motion sensor magnet, glued shaft preventing it from spinning freely. After that case resolved. | Marcio da Silva Porto | |
| AOC |
LE24M1475
|
nao sai do standby | U106 Media 1.5V in the central pin I replaced the same had ov in the center. I started the TV called, and had 1.5 in the central pin. With the TV normal working. | U106 AS1117L is an adjustable voltage regulator. | Ademir tc |
| PHILCO |
PB500BT
|
Sound works and shuts down | Works and off | ||
| BELTEC |
LB100
|
Fully off | CI exploded power supply oscillator (numbers shaved by the factory) CI 4 Pins. Solution was to put a 5m0265R CI in place, it worked perfectly. Also check the 20V zener that is right in front of CI | ZW ELETRONICA | |
| BELTEC |
LB100
|
Fully off | CI exploded power supply oscillator (numbers shaved by the factory) CI 4 Pins. | ZW ELETRONICA | |
| AOC |
LC42H053
|
LED stand by flashing, 24 and 12 volts fall to 18 volts | IC904 at SSC9512S power supply | Pin 3 of CI FB does not replace. Even the photo trying to adjust. In the secondary photo adjusts, but on top of pin 3 does not replace. CI cannot compensate for consumption and tension falls. | Lacerdasuntzu |
| PHILCO |
TV PTV49F68DSGWN
|
Backlight lit and without picture | In my case it was C216 with escape on the V.Con plate | Just take the capacitor and run to hug | jorge assistencia tecnica cotia sp |
| CADENCE |
ADE120
|
Don't turn on | CI IC2 (AP8269) can be replaced by OB2269. | ELETROFEPAR | |
| CADENCE |
ADE120
|
Don't turn on | Capacitor at the 12 V Strafted Secondary. He has burned the stage of the primary, transistor resistors and CI. | ELETROFEPAR | |
| SEMP |
40L5400
|
Don't turn on LED stand by access not connecting stby | regulatory de 1, ZV FR9889 H801 | replace | orlando lott |
| MULTILASER |
TL014
|
TV turns on with white screen and no video, the ends of the screen are dark. | SMD C125 capacitor short in the 15V line at PCI V-Con. | replace the cap. On the same. GOOD LUCK. | EVANDO VIANA |