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Results: 88015
Results: 88015
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| CINERAL |
21PCIN0405
|
No image on av | I short circuited pins 13 and 14 of the 4053 switch | Marcelo | |
| SAMSUNG |
NP-RV411-AD3BR
|
Does not start Windows 10 system, hangs on startup. It hangs on the Windows logo and the ball doesn't even appear spinning. | The old Broadcom brand WiFi module is compatible with Windows 10. Swap the WiFi module for any other brand. | rafaelmoraes99 | |
| SEMP TCL |
L32S3900S
|
Standby LED flashing constant green | With cw922 insulation test at power supply | eletroart | |
| DB TECHNOLOGIES |
OPERA 605D (405D)
|
Burning u2 ir21531s (see 405d diagram) (scheme does not show power supply voltage, has no feedback, only current limit with lm555 to maintain an off time) | Overvoltage on the vcc pin when power peak occurs, u2 is shorted (ir(s)2153 works in place, tsound is a difference in dead time) | Place 13v zener diode, anode not gnd (pin 4), cathode not vcc (pin 1) do u2 (ir(s)2153d remove diode d1) | R |
| BEHRINGER |
EP4000
|
Device turns on but tsound is no sound | Defect does not have voltages minus 15 and plus 15 capacitor 4.7x250.. c48 exhausted | RJ.ELETRONICA | |
| PHILCO |
PB500BT
|
LEDs light up, panel lights up without function and a big buzzing sound in the tuner function (radio) | Voltage regulator 7805 - it was good but poorly counted on the board. It resolved as soon as I removed it and soldered it again. | JOAQUIM | |
| HISENSE |
H43B7100 RSAG7.820.8752/ROH
|
Standby LED flashes but the TV does not start and goes to standby | When I press the power button it starts blinking normally and then gives 2 quick blinks and goes back to standby. | Defective backlight replace the complete bus | mario1970 |
| PHILCO |
PH43N91DSGWA
|
Dead | Cw904(4,7/50)cw930(22/50) | Replace both | Multimarcas/Acarí |
| LG |
60PB6500
|
When I turned it on, it would make the screen smudge for 1 second and erase the image | Resistor 2r2 (r559)+2 transistors (q552,q553), note: I put k3667 in its place, it worked 100% | reginaldo moronte,eletronica junior caldas novas | |
| SAMSUNG |
UN46D6500
|
TV restarting over and over again, hitting the power supply relay. | Defect in the LED bar, to confirm just make a jumper on the pc802s photo coupler and the TV will remain on. just changing the complete LED kit will do the trick, don't forget to remove the jumper. | Eletrônica Mirage | |
| SAMSUNG |
PN43H4300
|
Red LED constantly flashes | Short on main board | Ceramic capacitor in area j next to the memory and ready ic 1102 | Multinformatica assistência |
| SEMPRE TCL |
49SK6000
|
No audio | Resoldering on the audio ci | Multinformatica assistência | |
| PHILCO |
PH42E53SG
|
Stuck on logo, backlight doesn't light up | Update | Update via pendrive | Gabriel |
| SAMSUNG |
UN46D6500
|
TV restarting over and over again, hitting the power supply relay. | Defect in the LED bar, to confirm just make a jumper on the pc802s photo coupler and the TV will remain on. just changing the complete LED kit will do the trick, don't forget to remove the jumper. | Eletrônica Mirage | |
| LG |
47LB6500
|
It turns off by itself and restarts randomly. It turns on and off, sometimes the standbay flashes, other times it turns on and stays on for two or three days without showing the defect. | Smd resistor position 126 on the primary power supply board, 100k changed. | Replace resistor r126 100k, tip from friend naldo lima (disclosed on this same site in model 47lb5800) | MIGUELTV |
| TOSHIBA |
40L2400
|
Led do stand by, apagado. | Replacement of the integrated circuit (fr-9889) +5 stand by regulator, reference on the board; n-802. | Cláudio Ribeiro. SKE. CENTRAL ELETRÔNICA, Jataí-Go. | |
| SONY |
KDL-40BX455
|
Works on 220 but 127 doesn't turn on and the red LED keeps flashing | Remove 680k r9347 from the power supply board, clean the glue and replace the resistor, do the same with the other two resistors in series with it. | Marcelo | |
| PANASONIC |
TH-42PV70LB
|
Unstable image after heating | C721 pc705 | I replaced the photo coupler resolder cap.... good luck! | Jhone eletrônica |
| HBUSTER |
HBTV42D04HD
|
TV doesn't turn on, the standby LED keeps changing colors and you hear a loud noise internally, it sounds like a high voltage leak | 12vdc secondary power supply varying with the main board connected to the power supply board. | Replace of cf901 pfc power supply (completely exhausted), 150μF x 450vdc. | ROBUSTO63 |
| PANASONIC |
TC 14A7
|
Does not turn on, relay knocks, starts and does not generate. | Ci vertical ic 401 ( la7837), em curto . | After changing the TV ok. | George Pontes |