Repair Tips
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Results: 87993
Results: 87993
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
43PFG6825
|
TV turns on, has sound, turns on the LEDs, but tsound is no image | Smd capacitor on t.con c28 board shorted | RJ Eletrônica | |
| SAMSUNG |
PL51E490
|
Flashing standby, does not turn on | Big blue pcs801 capacitor with cold soldering | ELETRÔNICA JAMBEIRO | |
| TCL |
L40S4700FS
|
Restarting | System nand memory corrupted ->download this file: https://electronica-pt.com/su/1c/ <br>external link. | Indicated pendrive settings: 1. pendrive formatting: fat32 (default) 2. extract the downloaded file to locate the update 3. the pen-drive can only contain the update. Before starting the procedure, check if tsound is only the update file. To carry out the software update procedure, follow the steps below: place the update file on the pen drive; disconnect the TV from electricity; connect pen-drive to USB port; press the power button on the television and keep it pressed for approximately 10 seconds; plug the TV into the socket with your finger still pressed and wait until the update screen (loading bar) appears; After this screen appears, you can release the power key. | Allan da Macro |
| LG |
LM-U1560A
6870R8020AD2007 |
Audio | Absence of 35v amplifier line | Solder a 560k resistor to pins 3 and 4 of IC 901. | Expresso-som eletronica |
| PANASONIC |
TC-39A400B
V390hj1 |
Turn the LEDs on and off | Open leds | To remove the inverter protection, simply add a 10k resistor from pin 12 to ground. | Eletronilo |
| TOSHIBA |
MS7980MUS
|
High amplification power supply burning the output IC | 150k resistor next to the 2, 2200uf/63V capacitors | Replace resistor | AssisTec - Manari-PE |
| SAMSUNG |
LN32C350D1M
|
Main board voltages pulsing and stand by LED on | Heat the ic203 (aoz1031). If it stabilizes and the TV works, change the ci. | Eletrônica Cecé, Brumadinho MG | |
| SONY |
KDL-40EX405
|
No hdmi works | Change the hdmi ic, ic2200 position, check that the fuse f3701 is not open | Gaeletronica | |
| SONY |
KDL-55NX725
AZ2-F |
Turns on and off by itself, activates protection and red LED flashes 4x | Fault in the LED bars, some LED bank changed or opened. | Replace the four LED bars. | rafaelmoraes99 |
| PHILCO |
PH24E30
|
Doesn't start | Does not turn on, stand by LED off | Replace C180 shorted | jcgiantomaso |
| SONY |
KDL-40EX405
|
No hdmi works | Change the hdmi ic, ic2200 position, check that the fuse f3701 is not open | Gaeletronica | |
| LG |
42LB9RTB
|
Picture failure | 6870c0119a can be placed 6870c0170b | Despite the size difference, the functions of the two boards are the same. | orlando lott |
| SAMSUNG |
UN40ES6150 BN44-00502A
BN44-00502A |
TV turns on, off and stays on stand-by | Check on psu (bn44-00502a) dm855. | Replace diode and check for cold solders | José Félix |
| PHILCO |
TP2054
|
TV with super expanded image, replaced wide capacitor, but defect persisted, it also contained a vertical, transparent list, the thickness of an index finger on the right end, the globe symbol only appeared as a dot due to the expanded image | All voltages ok, after a lot of analysis, I based it on the schematic, I saw that tsound was an SMD capacitor on the c722 position board, tsound wasn't one on the schematic, so I removed it, and I hugged it, thank God, good luck .. | Otacilio | |
| LG |
32SL3400
|
Restarting | Capacitor da power supply d 1500 mg /10 volts low capacitance | C201 capacitor replaced | RCs eletrônica |
| LG |
43UM7510
|
Reduced LED current | Retirar r801, r815. r818. r824 | Decreased by 10 volts. I'm not sure it's correct, but I didn't find any tips. | Eletrônica Cecé, Brumadinho MG |
| LG |
22EA53T-P
|
Monitor - lg - flatron 22ea53t-p with the following defect, blinking on and off and when it manages to turn on, the screen saver starts blinking again | Capacitor in power supply 680uf x 25v | Replace capacitor 680μF x 25v on power supply or power supply board | Roberto Freire |
| SEMP |
TV 1030
U17 ACDC |
LED lights up, has sound, no image. | D302 broken, I got another one from scrap, it's close to the flyback | Alexandre | |
| PHILCO |
PTV58F60
|
Does not turn on the LEDs | Changing the photocoupler, changing them all | CLEBER LIMA RS | |
| ONEAL |
OLA2600
|
Constant noise and a lot of auto in the driver | Ci u9 ne5532 defective pre operational amplifier. | Replacing the ci with a tl072 | JHONES MARQUES |