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Results: 87707
Results: 87707
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC |
TC-40D400B
|
ON AND OFF (RED LED FLASHES) | BACKLIGHT MOSFETS GETTING VERY HOT, ONE OF THE BARS WAS AT 60V, THE OTHERS AT 48V. THEY SHOULD BE 48V. replace THE LED BARS RETURNED TO 48V AT THE OUTPUT WHICH WAS 60V AND STOPPED THE MOSFETS TO BE WARNED. | REPLACING THE LED BARS | LEO DA MEGA |
| PHILIPS |
TBM-C830
|
cd only plays the first 5 tracks | cd rotating motor tray | After replace the optical unit, it was necessary to lower the CD rotation motor tray a few millimeters, if you lower it too much the CD could scrape, I placed an old credit card between the motor and the tray and pressed it down. | jorgetec |
| PHILCO |
PCX3500
|
sound peaking at minimum volume | remove smd capacitor from pin 5 of the output ci | remove smd capacitor from pin 5 of the output ci | philipe |
| PANASONIC |
TC-32FS500B
|
No picture | Burnt out LED (1 LED) | After replace the LED bars, reduce the current on the IC drive's ISET pin. With the original circuit, if the voltage is above 60V, replace the ISET resistor, put double the value, then check the current/voltage if it is within acceptable standards. | Cesar762 |
| SONY |
GTX888
|
the display does not light up | it was working and stopped | ||
| PHILCO |
PH28C20D LED
099283003 A |
WHEN YOU replace THE LEDS, THE BACK LIGHT FLASHES AND TURN OFF | CHECK PIN 7 PROT OF OB3350. | R151 330K MEASURING +-50K DUE TO THE GLUE AT THE BOTTOM! | ELETRONICA BRAMBILA |
| PHILCO |
TV PH21M SS GAME
PH21M SS |
turns on, turns off, standby protection | New TV, I took it out of the box, it works for 2 minutes and turns off, I only discovered the defect when I removed the jump from the b+ flaybak, it turned on, then I tested the voltage, it was low | capacitors 330N and 15N TVs that use 220N and do not use the 15N test all in the flyback area | taylor |
| PHILCO |
PTV43E60SN LED
|
Back light does not come on | Cold soldering | Ressold IC MP4010 (UB1) and its peripherals | Djalma Moreira |
| LG |
HT305SU
|
Doesn't turn on | Zd960 and zd961 secondary Zener diode/6.2v | If voltage is less than 5.8v on these diodes, replace | Eletrônica Duarte |
| SONY |
KDL40W605D
|
Flashing 6 times LED\\is good | Capacitor connected to pin 3 of the bdv9397 IC | Replace the 10 mf ceramic capacitor | Cabeça |
| AOC |
LE39D3330
|
No picture, B.L. on | No VGH, tsoundfore no picture. After cleaning the small flats at VCon, VGH and picture also appeared, however, with a lot of noise in the VCon's dc-dc circuit. Tsound was weird PWM on Lp2 and Lp1. Every now and then the VGH and PWM disappeared, as did the picture. | UP1 - CM501 replace. | Cesar762 |
| SAMSUNG |
UN32F4200AG
|
doesn't start | SHORT CAPACITOR | replace OF CM801 (101K 1KV) | ROGERIO |
| TCL |
65P735
|
When turned on, the logo flashes and the screen turns off | Short circuit in rectifier D601 (MUR3200) at the power supply | replace | SANTOMEL |
| SAMSUNG |
UN40H5500
|
Burnt backlight | After replace the LED bars, the LEDs blinked non-stop. After analyzing the LED driver circuit, it was verified that the 0R resistor (JP827) on the Ci driver 7014x side was replaced to 30ohms. | replaced the JP827 jumper resistor and the backlight worked normally | Ricardo Dapper |
| PHILIPS |
65PUG7406/78
|
Does not turn on standby off | C322 c328 shorted on main PCB | Replace c322 or c328 | |
| HBUSTER |
HBTV-32D05HD
|
In stand by the power supply becomes high and the capacitors are damaged. | When replacing the 470uf capacitors, also replace the two 47ufx50v capacitors in the power supply primary. | Ricardo | |
| SEMP |
2015
U18 |
White screen and reduced frame | D840 Zener that goes on the base of the q840 did not go to the 5v for the micro | Jaspion | |
| STANER |
SR212A
|
Low volume potentiometer good | Capacitor and oxidation | C22+c34 dry without capacitance both 10nf 25v in my case I put 10nf 50v | ELETRÔNICA MUNIZ ABRANTES |
| PANASONIC |
49ES630B
|
TV turns on normally with sound, no picture, but LEDs on | T-CON Board Defect, shorted board | replace capacitors c135 and c136 on the t-com board | Eletrônica EMB |
| LG |
55LD650 - SA
|
Sound and picture in slow motion | replaced processor clock. | Soldering of L208, R211, R212, C229, C230 and X903 crystal | Osvaldo AB |