Repair Tips
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Results: 88183
Results: 88183
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| GRADIENTE |
2044
BU-OA-3 |
Does not turn on - turns on standby and turns off | Burst electrolytics trace ic102 and q103 without measuring | Replace without measuring | luiztvsom |
| PHILIPS |
21PT9467C/78
|
TV turns on, normal picture, no sound | Transistor q401 =c1815 | Replace transistor q401 =c1815 | Eletronica_Almmiro |
| SHARP |
14 R 12
|
Dead, no audio | Transistor q 602 (d1554) | In addition to the transistor changing the damper capacitor | paulo masao |
| LG |
CP 20K40
|
Fountain sometimes doesn't start | Capacitor c825 (100/35) | paulo masao | |
| LG |
21FJ6RB
21FJ6RB |
TV turns on, activates relay but comes back-- stand by | In my case it was-- photo coupler -- ic-802 - came back 100% | Ci-802 --ltvb817m | neupsx4download |
| SEMP |
LC2640W
HL57 |
It turns off by itself, sometimes it doesn't turn on, it turns on and doesn't enter the channels. | Ic swap qa01 t5cb5-6np1 | Look on the website www.utpower supply.net, guaranteed delivery. | joaomvjr |
| DIPLOMAT /BROKOSONIC |
TV612
|
Waddling image | When pressing near it, the image normalized or flickered | Cleaning or replacing internal contacts | warley cesar |
| CCE |
HPS2004
|
Led flashing fast, normal high supply, low oscillating at 8 volts | C812, I put 47mf / 63v | Alextecnico | |
| TOSHIBA |
TV-2982 MAV LEM9
LEM9 |
TV with LED access with tic tic on the power supply | Resistor r878 e flay back | Check the resistor r878 or flay back in my case the flay back was bad, I replaced it and went to the hug. | AdrianoSB |
| PHILIPS |
42PFL3604
|
Doesn't start | Without +3.3v | In addition to the shorted ci u801 fsq510 and r801 and r825, both with 2r7 open, replace c806 with 4.7mf/450v which is the cause of the damage as it is corroded by the fixing glue. | jasvan soza |
| PHILCO |
2044
|
Upper vertical lines looks like a 100uf capacitor but it is not | See r 610 open | Master Eletronica | |
| CCE |
HPS 1402B
|
Normal main supply, but the 103v is zero | C 812 weak. change without testing | KIN | |
| PHILIPS |
FW339C
|
Display off | Transistor 7249 open | Replace 7249 (bc327) | Eletronica Staub |
| TV LG |
21FU6TL
|
Normal sound lights up filament 180v normal screen voltage 00v | Tube remove the solder from the pin corresponding to the screen and see if the voltage returns | It may work again but I don't know if it will last | TONINHO DA ELETRONICA |
| SEMP TOSHIBA |
TV2959JFS FS-8
918760 |
After a few minutes on, the colors became distorted and stained (blue, red, green) | Problem with the demagnetizing coil relay | Resolder the relay legs (it's good to take advantage of the TV being open and resolder everything) | FABIANO FONTOURA |
| PHILCO PCM |
14
|
Vertical closed a little at the top and a little at the bottom with a luminous streak at the bottom | Eprom It's just replace | MARCIORVGO | |
| LG |
RP-20CC25
|
Sound just hiss and good image | Micro solves and what sound. | joaomvjr | |
| TV CCE |
HPS 2002
|
Intermittent on and off | Q 802 o bc 337 It's just replace | MARCIORVGO | |
| SEMP TOSHIBA |
TV2134B SL SK11
SK11 |
Chinese varicap (tdq-6ft/13f9s), cannot be found in any replacement store | Swap for the varicap tecc1040pg38p (samsung) which is used in the philco tp1454, works perfect. Note: tecc1040pg32t was also tested but did not pick up some VHF channels. | Replace and go for the hug!!! | EDGAR THIZ |
| PHILCO |
PCS 2976
|
Turning off when changing channels and vertical a little closed at the top | I replaced the 39u 250v c728 with a 53u 250v and it is working perfectly, as the 39u was replaced and nothing happened, even the channels gained performance! | Fabiano |