Repair Tips
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Results: 87712
Results: 87712
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILCO |
PH40U21
|
LEDs blinking non-stop | Change capacitor in the inverter cap 120uf x 200v stage and go for the hug. | ALBERI F S | |
| LG |
42LS5700
|
TV turning on the back light with no image. | C191 on a t-plate with | Replace | Marcus Pacheco |
| SAMSUNG |
UN40H6400 UN48H6400 BN44-00709A
|
Works normally, but backlight oscillates, flashes like strobe | Replace ci smd drive backlight ic9002 | electronicssupplyparts - Gramado/RS | |
| COBIA |
CTV50HDSM
|
TV with no image backlight on | C57 and c54 shorted at tcon | eletronica RS | |
| SAMSUNG |
UN55F6400AG
|
Hitting the relay and it doesn't turn on | Smd transistor on the power board position qq854 can take it is run to the hug | Airton Filgueira | |
| SONY |
KDL-40EX455
|
Does not turn on, the red LED blinks twice | Power supply without 24 and 12 volts. | Look at the basics. r9812, r9811, r9810. When switching the power supply, the bend in the capacitor did not exceed 280 volts. I scraped the glue under the resistors and the voltage on the capacitor returned to 390 v. 24 and 12 volts returned at the outlet. | RDS |
| SAMSUNG |
UN75MU6100
|
Device does not turn on, stopped | F201 and f202 open, q209 shorted | Replace q209 and fuses f201 and f202 and check short c303 and c304, c312 and c313 near ic302 | Renato01abr |
| PANASONIC |
SA-AKX600
|
Bluetooth connects and loses connection and most of the time it cannot connect | Software update | Software found on the panasonic .com website, on the Brazilian website tsound is no | Renato01abr |
| PANASONIC |
TC-L32E5BG
|
Lower LED current | Change resistor from 20k to 56k connected to pin 15 dp bd9287. so it went from 194ma to 112ma | sérgio | |
| ÉLSYS |
RECEPTOR 2.0
|
Does not turn on shorted power supply with open fuse | U100 viper22a u103 photocoupler all burnt | Replaces all burnt out components, returns works as is in the box | Biel eletrônico |
| SEMP |
DL4077
|
Stuck in the forever logo | Software | For serial with start 925020 - https://onedrive.live.com/?authkey=%21aipyplns2thlmv4&id=8b5d8d4aa14e93a7%211003&cid=8b5d8d4aa14e93a7&parid=root&parqt=sharedby&parcid=unauth&o=oneup you have to plug it in by holding the menu button (it's a square ) until the stby starts flashing green and red, then just wait. | Jailon |
| SONY |
KDL-55HX825
AZ2-F |
Does not turn on, standby LED flashes 2x | Short circuit on the dps-76 power supply board (q6602 and q6603 are two tr fet p9nk50) and open resistors on the aps-299 power supply board "r6100 of 15r and r6540 of 0.1r) | rafaelmoraes99 | |
| TCL MULTILASER HISENSE |
43C350KB
|
On, the standby LED keeps flashing alternately between green and red and it doesn't go away | I checked the "open" LED bus, as I didn't disassemble the TV, only through the LED tester I could see that the LED circuit was open, that is, the TV acts as protection because tsound is no consumption/load on the LED bus. with an external bus with 6 volt LEDs (3 strips of 7 6 volt LEDs) I simulated the consumption on the TV and then the TV started working and I could see the image with a flashlight.... | LED panel defect, I didn't find it in any supplier. The LED panel of this TV is American Hisense, I found it on Aliexpress, follow the link right after (on the body of the rulers it is described: hd425y1u71-t0l2 2020092801 svh430ag9): pt aliexpress. now that I disassembled it I could see that the kit is made up of 03 rulers with 08 LEDs each ruler and they are 03 volt LEDs... ok... the code on the body of the rulers is: crh-bxbt43y13030080309urev1.0 and also hd425y1u71-t0l2 +2020092801+svh430ag9, but I don't advise anyone to disassemble this TV, it's infinity edge and think of a train that's bad for changing and for it to be perfect after the replacement... mine did but I promised myself never to get this model to replace again led..... | MIGUELTV |
| SEMP TCL |
L43S3900FS
|
TV does not turn on LED ST BY blinking quickly, 12V power supply with only 6V. | Capacitors in the power supply primary: cw922 10uf /50v and cw920 22uf/50v, replace directly. | Eugênio | |
| PHILIPS |
42PFG6519/78
|
Backlight off, turns on with normal sound. | To deactivate backlight protection it is necessary to place pin 5 (comp) of the ld7890gs ci to ground with a 1kΩ resistor. (remembering that this procedure is palliative, the correct procedure is to replace the complete backlight) | EC | |
| JBL |
XTREME 2 Q
|
Does not turn on/does not charge. | Shorted capacitor next to d21 | Barter it | Eletrônica FBS |
| BENQ |
MX660
|
Turns off after 5 minutes, when it turns off, no LED stays on, after a while it goes back to stand-by | Lamp safety switch isolating or with resistance | Replace the key | ENGETRONICA |
| AOC |
LE40H157
|
TV turns on but LED bars sometimes flash and then go out or sometimes don't even light up when the TV turns on | Cold solder on the main board in the dim line, 3v did not reach the dim | Replace or just resolder the smd472 resistor and two nearby fuzistors. Never replace the LED bars without checking if tsound is 3V dim | Du”Tec Eletronica em linharesES |
| AOC |
LE50D1452
|
If it turns off, when turned on shortly, the baclight does not come on | Change resistors that are connected to pin 5 of the ic9101, I put a 2.7 m one | GIOVANO ELETRONICA | |
| PHILIPS |
50PFL4008G/78
|
Current reduction | Remove one side of the resistor r8175 and place 4 0.1r resistors connected in parallel and solder between the pin that came loose from the original resistor and the board | reginaldo moronte,eletronica junior caldas novas |