Repair Tips
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Results: 87712
Results: 87712
Make | Model | Symptom | Problem | Solution | By |
---|---|---|---|---|---|
CCE |
C420
|
LED stuck in orange or red | It crashed out of nowsound or damn... rewrite eeprom or replace the ec4 capacitor | Ec4-- 470μF 16v https://www.mediafire.com/file/frz28egata02k0p/eeprom_tv_cce_c420_lcd_25q32fv.rar/file | neupsx4 |
SAMSUNG |
UN40F5500
|
LED power flashes, 5volts fixed but 12v oscillating, | Resistor r802 10r smd,embaixo do cs805 | Replace rs802 smd 10r, in the primary below the cs805 | Rodrigo cofferi |
GRADIENTE |
TF-2151
|
Image with retrace lines | Rf401 | Replaced and resolved | Ronaldo eletrônica |
AOC |
43S5195/78G
|
Curtain effect screen | Burned screen | Isolate 12 pins from one of the flats, in my case I isolated it on the left side and it worked, the image came back | Eliomar Umbelino |
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 |
PHILCO |
PTV
|
Locked with password | Universal unlock code 0812 | Cabeça | |
AOC |
LE39D7430
|
Call whenever you want | Voltage of regulator u703 1.8v low | Q708 with leak, should pass 3.3v, was dropping 2.6v | Eletrônica JJ |
BRASTEMP |
BMS27
|
Hitting relay | Key on the back of the key with blue wire. | Be careful with the sequence of the wires, this microwave has a reference voltage on the relay (seeing the relay, yellow wire, in front of the black one, with the door closed, it must have 110v in relation to the brown wire of the fuse) | System Eletronica |
STI |
LE3273(A)E/LE3973(A)G
|
TV doesn't turn on | Missing +5v_normal in u8 (as1117l) 1.5v regulator | Replace the diodes d1 and d2 which are located at the bottom of the pcb | leitemarcellus |
SAMSUNG |
UN50MU6100
|
No standby, dead. | Checked the power supply and initially everything was ok, defect on the main board, processor | The processor was reflowed, the TV was perfect. | Claudio Jorge Eckert Junior |
SEMP |
32L2400
|
TV turns on and after 1 or 2 minutes it turns off and when turned on it shows the same fault | N805 and n807 3v3 regulators faulty, just change and everything is fine. | ALBERI F S | |
SAMSUNG |
UN32J4300AG
|
Stby doesn't light up, only the black lite works | The stby led does not light up, leaving only the screen blank, the power button does not work | F205 burnt defect, for those who don't know the schematic of this TV It's j4303. Search for this number on this site and you'll find it | HENZONETO |
SAMSUNG |
LN32B350F1
|
Turns on with sound, lamps do not light. | Make a jumper with a 2k2 resistor on pin 14 and pin 16 of ic 801- without 2006 | Emerson Lima | |
SEMP TCL |
32S OU OUTROS MODELOS!
|
Blurred or inverted image after changing the card | Home key+062598+key with the three lines+ID of the original board, do this quickly and wait for it to restart | Rodrigo cofferi | Rodrigo cofferi |
SEMP-TOSHIBA |
1482
U8 |
Vertical closed | Q421 and q830 broken | Replace without measuring, if you can't find an original replacement, you can use the d1266 which works fine. | Tiago C. Neves |
HQ |
HQSTV32
|
Standby only | I changed the up3d1 and it worked again | Eletrônica Mirage | |
PANASONIC |
TC-L42U30B
|
Sometimes it turns on, and turns off completely out of nowsound, sometimes tsound is no sign of life. | Overprotection circuit being activated erroneously | Zener d7207 on the run, the voltage to activate the protection on the cathode must exceed 6.8v (zener voltage), but feeding with an external power supply, caused the base of the transistor that is connected to the anode of the diode to trigger with 5 volts. | Davi.sls |
MULTILASER |
TL 004
|
Does not turn on, standby LED is on | Shorted transistor v901, b7s65 | You can use the 7n65l | matrix10y |
SAMSUNG |
LN40C550
|
It doesn't turn on, the standby LED stays on and controls are stuck, sometimes it turns on and works for a while and restarts or turns off and gets stuck again. | Ic203 z1031, I put the z1033 it worked | Eletrônica Mirage | |
TV SAMSUNG 32 |
32FH4205
|
Does not turn on, does not stand-by | IC 804 on the main PCI next to the RCA you can place a 1733 3v3 regulator | Wesleyborges7 |