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Results: 87711
Results: 87711
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
UN40EH5300
|
Dead power supply, dead tv | Cp818 blown, icp801s (spc7011f), zdp801 (in front of ic icp801s (double smd diode)), fuse at input fp801s | Replace of the mentioned components | Claudio Jorge Eckert Junior |
| LG |
CM4350
|
After being connected for a while, the device turns off and does not turn on again (5v power supply drops to around 2.4v) | Check the 6v2 zener diode zd902 and photo coupler pc901 tsound must be 1.6v on pin 4 if it is low, replace both. | Eletronica Oliveira | |
| SONY |
KDL-40BX455
|
Call alone | Resolder the power socket output | Loosen the din pin and resolder it | Multimarcas/Acarí |
| AOC |
LC32W053
|
League without image | Back-light off, without on/off that activates the inverter circuit | Q700=ao4449 = ao4411 smd na main | Cesar |
| SAMSUNG |
UN65RU7100
|
Does not turn on or standby | Capacitor cp818 toast and qp802 shorted | Cleaning the board because the capacitor carbonized, changing the transistor, in my case I put two w20nm60 same rds on and voltage, but with higher current, and cp818, 221k for 2kv and 5a fuse the board started working again | Mitzko eletrônica |
| SEMP |
TV2051
U18 |
Turns on image appears then swings in the image reducing and turns off in a fraction of seconds | 68k r861 changed | The replace of the same God bless us all | Rogério TV |
| LG |
49LB5500
LGP474950 |
Piscando backlight | Q803 and/or q806 altered, LEDs burned out, screen flashing or no image (with normal sound). | The fets q803 and q806 must be tested outside the circuit, of the pf610bl type, but can be replaced by the irf8010. The only problem is to solder the pins correctly (gd and s) and fix the fets isolated from the housing. | Luisthe |
| SAMSUNG |
QN55Q7FNAG
|
Only standby, when pressing power it did nothing and turned to standby | After analyzing the TV boards and finding nothing wrong, I decided to open the one conect for analysis and located a heating in the middle of the board. When measuring, I found a shorted capacitor next to IC207, I removed the c267 capacitor and measured it outside, finding a short. When turning on the TV without it, everything worked perfectly. | Eletrônica Mirage | |
| LG |
CP14B86A
|
Vertical closed | Changed r316 and r301 | Replace without measuring | Tsat eletronica |
| SAMSUNG |
UN55MU6400G
FA01 |
Doesn't start | Correction of the tip to use an alternative board from the 49mu6100. You also need to change the WiFi module and use it via remote control, as the mu6400 button is the only one | André | |
| SAMSUNG |
UN55MU6400G
FA01 |
Doesn't start | Main pci bn94-11955g very expensive and hard to find. I put one from 49mu6100 bn94-12439g and it worked perfectly. alternative for the original plate. | Replacing the main PCI with the alternative | André |
| LG |
42LF20
EAX56856906(0) |
I'm sound | L1000 diode replacement | Is close to the power supply connector | DIODO |
| LG |
49UB8550
LJ41V |
It doesn't find a wifi network and it doesn't pair the bluetooth remote control. no mac in service mode. | Resolda do microprocessor ic100 - bga cold solder | rafaelmoraes99 | |
| SEMP TOSHIBA |
LC3246(B)WDA
|
LED does not turn on, flashing green and red | This TV arrived flashing the green and red LED, measured the power supply voltage and it kept oscillating, checked that it was setting the overvoltage protection, checked the optocoupler n902, zener diode zd955 and transistor q954, all ok, removed the optocoupler and the power supply It stabilized at 12.6v, the zener was replaced with a 14v voltage and it started working again. | Sajage | |
| SEMP TOSHIBA |
48L2400
|
The logo appears and after 30 seconds to 2 minutes it turns off and returns to stand by. and if you turn it on again it happens again | Bad ci n801 close to the processor. responsible for v-core | Changing the n801 It's a fr9889 | Eletronica SV - Guaira PR |
| SAMSUNG |
UN46FH5303G
|
Does not turn on, no standby | Fuse fp801s open, transistor qm801cs shorted and ci pwm 3s111 defective, replace them all. | NiloTech | |
| SAMSUNG |
HT-F505/ZD
|
Device turning off (fan ng message on panel) | Oxidized cooler connector, replacing it solved the problem | juan | |
| SONY |
KDL 50W 705A
|
It turns on, the screen lights up, tsound is audio but tsound is no image, tsound is no error code | Processor | NEW | |
| ELECTROLUX |
MEF33
MICROONDAS |
Normal league. When you open the door, the lamp or the fan does not turn on. (The on button activates and does not stop, even when the door is opened. | I really struggled with this defect. but it was the processor. | Changing the processor, solves it.... | JC Eletrônica Cícero |
| SONY |
KV-21FA240
BX-1S |
Bowl effect, cushion effect | Diode d808 1ss133 with leakage, it was cracked. | Replace it with an identical one taken from another Sony board, many models use these diodes. | TARCISIO BRITO BONFIM |