Repair Tips
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Results: 88086
Results: 88086
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
PL43F4000
|
Sometimes it turns on, sometimes it doesn't. 5v pulsing, but when the power supply heated up the 5v stabilized and the TV was able to turn on. | In my case I had already changed the c804, c805 and it didn't solve the problem. The defect was in the 150k smd resistors r827, 828, 829, 830, 831 | Remove, scrape off the glue and weld with the print side down. | Régis |
| STAGG |
SMS15P
|
Hissing at volume (white noise blowing) | Ci 5448 leaky (preamplifier) | Luir | |
| PHILCO |
PH32M LED A3
|
Everything works after half an hour and the keyboard stops working. After +- an hour, the dsplay image stops working, the sound is normal, the LED lights up. | Solution modify r155 2r2 change 4r7 2w or 3w increase IC heatsink on the main board. | ||
| TCL |
50P6US
|
No image with backlight | Tcon voltage disappears with vcon flats connected, when removing the flats the voltage normalizes | Check the 100r resistors (r075 and r086) of the vcon on both sides, if they are altered it means that the protection diodes d003 and d004 on both sides are shorted, remove diodes and replace resistors | Gilberto Böck |
| PANASONIC |
TC-14A02
|
Does not connect power supply +b less than 140 volts | Cause diode. | Replace diode d1132 or remove from board | renildo |
| BEDIN SAT |
NS1030
|
Doesn't start. led off | Reflow in all cis | Prof Josiel | |
| LENOXX |
CA 500
CL:10810001 |
Malcontato no cabos flats | Clean up | And replace with hot glue | renildo |
| LG |
SOM CJ65
EAX67284001 |
Turns on for a few seconds and turns off | Replace o resistor r952 | 3.2k precision resistor for a 3.3k | renildo |
| TOSHIBA |
TV 2157 FS
FS2 LEM6 |
No image on rf av normal 33v /5v normal supply | Defective varicap | eletronica avn | |
| SAMSUNG |
UN40EH5000G
|
Doesn't start | Power supply oscillating - 13v shorted | Replace dm858 and dm859 - in my case I put an mbrf20150ct that I took from another board | RUBERVAL SBC |
| LG |
42PJ350
|
Does not tune channels. | R642 or r643 open | Replace, the value is 22r. | EDTV Miriambi |
| PANASONIC |
TC-32A400B
KM26 |
TV completely inoperative, stand-by LED does not light up and power supply voltages are absent. | Remove the jumper resistor vj2001 and place the TV in the socket and if it turns on, check for a short in the audio output... in my case the problem was in the shorted capacitor c4901. | ROBERVA1 | |
| LG |
21FJ6RB
MC-059A |
Vertical beam at the top is at the bottom does not open the entire screen with a white stripe at the bottom | R313 43k changed to 80k | I put a 43k comfort scheme beauty of creuza tv was good again | Rei da eletrônicos |
| LG |
32LV3700
|
The backlight turns on, but the image remains black. | Remove the chip heatsink from the main board and heat it with the thermal blower for 3 minutes using circular movements. | Alison Silva | |
| PHILIPS |
21PT5433/78
|
Turns on with the image moving to the side with a black band and turns off | Replace diodo smd 6451 | Dj pituca | |
| SONY |
HCD-EX66
|
Sometimes it turns on, sometimes it doesn't. | Check 22v d932 zener. change c937 47x50v. r937, 100k r939 and 4k7 without measuring. | Régis | |
| LG |
32LD420
|
Blocking all channels | Defective varicap, just replace it and it will work again | ||
| LG |
14SB1RB
MC059D |
Image shifted to the right, without osd and bar on the left side | 9.1v zd501 zener diode shorted connected to the fbp pin of the ci 501 | After changing the TV ok. | George Pontes |
| LG |
W1942S
|
Doesn't start | Power supply capacitors c212 and c205 swollen. | Replace the capacitors. | Thiago Ladeira |
| PHILCO |
PH24D20DMR2
|
No image | Open fuse, dp6 diode with leak on the t-com board. q813 fet p channel shorted on main board | Djalma Moreira |