Repair Tips
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Results: 87993
Results: 87993
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
46PFL4908G
|
Tremendous picture | Check the T-Com Auo plate, | Remove R870, R872. R870, turn on with a thin wire to D802/3, turn on R870 to VGH voltage. | Arock |
| TCL |
32S5400AF
|
Don't call, don't light LED stand by | Capacitor CA3 shortly at the sound outlet by killing the 12V power supply, lower tensions varying | Manoel PB | |
| PHILCO |
PTV32G60
|
LED current | Remove resistors | Remove RB15 and RB14, next to the LED connector | Eletrônica Cecé, Brumadinho MG |
| PHILCO |
PTV32G60SNBL LED
|
Do not light backlight, the LEDs | Electrolytic CB2 120UF X63V | Eletrônica Cecé, Brumadinho MG | |
| TV LG |
49UJ6300
|
decrease current in LED bars | reduce current in LED bars after the replace | replace the R801 to 2.2R 1/2W | Digitronica |
| PHILCO |
PH42M2
|
No Led Light Lights Weak | When the led lights up the TV does not turn on / gets tight to the TV Normal | The LED lights weak and the TV does not depart, if you take off and put the LED back on and the TV works normal. If testing the power supply has perfect voltages but no. The IC U201 (Viper17) is the cause of the headache. | oskarala |
| AOC |
D32W931
|
blink blue led nonstop, with 12V and 24V | Exhausted capacitors | replace all 470UF X 35 Electrolytes, replace the 470UF X 16V capacitor, replace 330UF X 16V Orange Capacitor, resolve the transformers the Mosfets and Diodes, and the TV Call again | GAELETRONICA |
| SONY |
MHC-GTX787
|
Display does not light up | Transistor Q-1291=2SD1859TV2Q | Tsound is no negative voltage on the display, just replace it and run for the hug | Andy Poison |
| CCE |
TV - 2118 USP / AV
|
Reduced picture on the right side of the screen | R 307 of 330R and R 308 , R 309 of 1R | replace | Mauro Mascarenha Tel. (88) 981422821 Parazinho - ce |
| SANSUNG |
42LN5400
0000 |
backlight apagado 0 v | \\\\Cold welding on the oscillator and surrounding areas | Resolved resurrected lol ... Good luck | Jhone eletronica |
| SAMSUNG |
LN32C530F1M
|
Does not turn on, completely inoperative | Roasted CP814 221 1kv capacitor. | Just replace the capacitor and the TV will work perfectly again! | Zuotec Eletronica |
| LG |
CJ87
Eax68563602 |
Inoperative power supply, without +5v | ZD905 in short | Place 13v Zener diode | Ivan Silva |
| PHILCO |
PTV50D60SA
|
Call soon or not even turn on the back light! | Intermittent bl-on coming from the main | TRANSISTOR SMD QB2 NPN IN THE MAIN PCI, very close to the Micro Dipper! | BRAMBILA |
| AOC |
LC32D1320
E32BATNSW3B13N |
ON AND OFF THEN, NOT ST BY | power supply | ZD 970 30V Escape, measuring hot, cools run out of escape! | BRAMBILA |
| SONY |
KDL 22BX325
|
Sometimes it works, other times it doesn't | U701, 3v3 regulator with problem | Cece eletrônica Brumadinho MG | |
| CCE |
C320
|
When plugged into the socket, the stand-by LED lights up red. When the power key is pressed, the stand-by LED turns green. No voltage appears beyond the 5 volts of stand-by | Q12 pnp smd transistor does not receive positive voltage at the base, in this case because it is pnp it remains in conduction between emitter and collector, keeping pin 8 (soft start) of the U5 SG3525 grounded, which prevents its PWM oscillation. Defect in the microcontroller on the protection plate. SOLUTION: REMOVE Q12 FROM THE SUPPLY BOARD. | Reginaldo Pereira | |
| SAMSUNG |
UN49K5300
|
After replace the LEDs, they start blinking | Q9852 with leak between drain and power supply | Replace q9852 LED current controller and add 2 homios resistor to the power supply | Cabeça |
| LG |
32LS3400
|
no picture, blacklight comes on looking like a display symptom | no 12v on the display connector, smd transistor Q409 open | replace of the same removed from another scrap board | LEANDRO VOSS |
| SAMSUNG |
50NU7100
|
TV turns on with a strip of light in the middle of the screen and darkness in the corners | Defective LEDs or faulty connector | replace the connector next to the LED wires stuck in the iron part of the problem panel. | Alessandro Barcelos |
| SAMSUNG |
UN40H5303AG
|
Back light does not come on | One of the LED bars with a track interrupted by oxidation | Retrace the trail | Ferraz |