Repair Tips
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Results: 88088
Results: 88088
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
AZ9350
|
No sound on 2 output channels | Burned sound output ta8227p | I put the cd8227gp ready, the device started working again, how did it come out of the box? | Reis eletrônica |
| SAMSUNG |
CL21C650ML
KSB |
When cold, it doesn't turn on or the LED lights up and after it turns on, it turns off the power supply | C846 lower capacitance | Replace without measuring | Multi Service Eletronica juara |
| SEMP |
TV1451 NAV
U18 |
Greenish image | R915 smd tube plate | Replace it for another like it | ELETRONICA CAVALCANTE EM MARTINOPOLE CEARA |
| SEMP |
TV2051 NAV
U18 |
Intermittent image normal sound I thought it was cold welding | R413 | Replace it for another like it | ELETRONICA CAVALCANTE EM MARTINOPOLE CEARA |
| SAMSUNG |
PL43E400
|
No image, turning on normally and with sound, vs and va voltage appears and then drops, it doesn't remain and tsound is no vs and va voltage, but sometimes it works normally with the vsc voltage around -126 volts, normal and -185 volts. | Trimpot on the plate and its open, unique trimpot. | <small> |
|
| SAMSUNG |
CL21C650MQ
|
LED is on and when the power is turned on, it turns off | C402 47uf/25v next to q403 | Replace without measuring | Multi Service Eletronica juara |
| PHILCO |
PH32E20DSGWA
|
Leds writer | Changing three 100/50 and one 470/25 capacitors in the power supply secondary. | Danubio | |
| H-BUSTER |
HBTV-3203HD
|
Dead | TV not turning on, primary power supply normal, but secondary not working. | Diode, d915, (sb5100 shorted) | Genilson Gomes |
| SEMP |
DL3277I
|
Flashing green led | Poor contact on the LCD cable (main board socket) | Cleaning and adjusting the connector | Emerson |
| SMS |
NET STATION 600A
|
Does not turn on inoperative does not light up the ledy heating up ic3 | Ic1 | Replace the IC1 and the UPS SMS will be working normally! | Sinailson furtado |
| SAMSUNG |
UN40H5103AG
|
Turns on the LEDs without characters and turns off | If you turn on the TV without the main one, it lights up the LEDs with all normal voltages, including the 13v that goes to the video card, I would condemn the video card, but when I checked the power supply more carefully, I found a defective mdd5n40 mosfet, it gave 13v voltage plus low amperage | I had a 10 amp 600v one, put it in and the TV was fine | beto_eletrotec |
| LG |
32LD350
|
League without image, only sound | T-con plate with oxidation | Cleaned the ultrasonic tank with isopropyl alcohol, re-welded the flat connectors and cleaned the flats, it returned 100% | FELIX.MAP |
| PHILIPS |
29PT9467C/78
|
Image closed from the sides and turning off out of tune | Horizontal | Ceramic capacitor c438 | Geronimo |
| FERGUSON |
A51F
IKC2 |
Random shutdowns | Loptx arcing. replace loptx, solder pads are fragile, take care when soldering replacment | Luke | |
| DANSAI |
9313A
|
Dead - comes on if set moved slightly, buzzing noise | Fuse holder was arcing with fuse. replaced fuse holder | Luke | |
| SHARP |
CV2133IR
8PSR |
Field cramp with displaced osd and retrace lines | D510 open circuit, replace and also replace bootstrap cap beside it for good measure | Luke | |
| STI |
LE4050A
. |
TV turns on, image comes on and then turns off and only the audio remains | Solution disconnect pin 3 (cable that comes from the main board to the power supply connector x5954 disconnect pin adj and change all the resistors of the fet power supply on the inverter board from 2r to 4r7. | Obs do not forget to replace the resistors on the inverter board from 2r to 4r7 of the fets | <small> |
| CENTURY |
SUPER COLOR
|
Don't care, just two points. | Capacitor with low or leaking capacitance. c39 1000uf 16v | After changing the receiver ok. | George Pontes |
| SAMSUNG |
PL60F5000
|
Falling vs and going | Capacitor c5162 with leak on board y | Edinho | |
| AOC |
LE39D7430
|
Blue LED blinking faintly | 5v aluminum capacitor at the power supply | Replace for new | Eletrônica Possamai |