Repair Tips
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Results: 88091
Results: 88091
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
LG |
60PA6500
EAY62609701
62662609801
|
Hit relay | Zd353, with leakage in the g of q 353 at the power supply | If it turns on, turn on the power supply without load, it looks like the vs, the va is m5v | Agripino, Belém/Pá |
PHILCO |
PH40U16DSG LED
|
Heating power supply regulator | Cp105 100x400 low | Trace without testing good luck | Jhone eletronica |
AIWA |
CX-NS303LH
|
When you press the power key, it turns on and quickly returns to the demo screen. | Power push-button key with internal recess. | The ideal would be to replace it, but I didn't have one, so I decided to open it and sand the dirt with tweezers. (tec.edfesom varjota-ce) | Edfesom |
SEMP |
DL4844AF
|
TV turns on and off the LEDs, green STBY light | I changed r766, inserted r776(4k7), removed 1r0 from each isense, it kept turning off. | Test LED bars with an external power supply, the good ones light up at 25vdc, each one, the bad ones above 35vdc (do not use them) | jjsantosneto |
PHILCO |
PH40D10
|
Does not turn on or 12 volt standby LED varies | Dp202 1n4007 open swap | Replace dp 202 | juci |
CENTURY |
BR 2014
|
Does not polarize one side | Q3 change i to hug | Cicero costa | |
CENTURY |
BR 2014
|
Does not polarize one side | Short circuit | Replace q2 | Cicero costa |
TOSHIBA |
LC4246WDA
|
When activating power, the green LED lights up, but without backlight. | Measure 12v and 24 volt line, if absent, check if tsound is voltage at the NB950 photocoupler terminals. in my case it was a 510k rf905 resistor changed to less than 330k (unusual case, as normal it is changed to more and not less) | OLIBIO - ELETRONICA ESTUDIER | |
PHILCO |
PH21M2
|
Low sound, | Replace microns. pins 59 and 58, output 2.5v, it was with 7v and the other with 0v. | DJ PITUKA | |
SAMSUNG |
UN55C8000
|
Sometimes it doesn't turn on or goes out intermittently, causing cracks in the solder of the tb801s transformer | Solve | SANTOMEL | |
SAMSUNG UN39FH |
UN55C8000
|
Nothing works | Tsound is no 5v standby, at the power supply, open tb801s and shorted icb801 ice3br1765l | SANTOMEL | |
SEMP |
L39S3900FS
|
Does not light LED bars | Shorted capacitor on line +b pin 2 of ci ocp8121 burns r804 10r | AGNALDO | |
AOC |
LE32D3330
|
Turns on, no image, no back-light, no 12v and 24v voltage | Power supply resistors r9814, r9815, r9816 changed | Replace 680k resistors | Alek |
CCE |
D4201
MSD309D42 |
Does not tune to digital channels | Varicap room | As I couldn't find the varicap I replaced the main board. Putting in the new card gave an inverted screen. Replace the memory on the bad board with the good one. problem resolved or try updating the software. | Adriano Miranda |
SAMSUNG |
UN32J4300AG
|
Restarting in seconds straight never stops | The wifi sign is short and just disconnect it and the TV returns to normal. | Replace the plate | Ivan Passos |
SAMSUNG |
UN40F6400
|
Knocks relay and flashes LEDs | Check 15v resistor rs802 | Check rs802 - smd 10r, close to ics801c. at the entrance tsound must be approx. 15v. After that it drops approx 0.3v. If not, check regulator qs801, if voltage is coming in, check zds803. pass: zenner-diode-regulator-resistor-jumper | dsolucoes |
GRADIENTE |
TS 2960
|
TV doesn't turn on, doesn't even work on standby, +b with 180v and dropping, killing voltages, | Open or altered 100k resistor, position on pci r819 | Naldo Eletrônica Lajes RN | |
GRADIENTE |
TS 2960
|
TV doesn't turn on, doesn't even work on standby, +b with 180v and dropping, killing voltages, | Open or altered 100k resistor, position on pci r819 | Naldo Eletrônica | |
LG |
14FK3RB
|
Half screen image as if it were vertical closed aliasing | Deflector with one of the wires broken, I just had to solder it and run to the hug | eletronica publison natal rgn | |
PHILCO |
PH32E32D
|
Does not come out of stand-by | Ci u807(1.8v regulator) warming up. stand-by on and does not turn on. | Bga microprocessor replacement. msd1309px-lf-z1 | Kabo Informática |