Repair Tips
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Results: 88179
Results: 88179
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
20GL-1047
|
No contrast | Replace 27k resistor line of abl r-3555 | Ademar Videira SC | |
| TOSHIBA |
2987-EMS
|
Tsound is noise on the screen, like horizontal scratches, both in VHF and AV. | Replace the electrolytic capacitor c-213 (1 x 50v) input (y) of the ic tb-1275 | Ademar Videira SC | |
| PHILCO |
TPF-2130
|
+b of the secondary oscillating up and down and it doesn't work. | Remove the r-936 resistor, remove the collar from its terminals and the board and replace it in its place | Ademar Videira SC | |
| PHILCO/BRITANIA |
PH 29/US-A2
|
Damaged or closed vertical. | Ci stv-9378 open, if it is not available, stv-9379 can be used directly | Ademar Videira SC | |
| PHILCO/BRITANIA |
PH 29/US-A2
|
Cushion effect, | Change the resistors r-401 and r-402, both cost 100r each. They are next to the microswitch control cable connector. | Ademar Videira SC | |
| PHILCO/BRITANIA |
PH 29/US-A2
|
Tsound is +b in primary, but not in secondary | Change the resistor r-552 100k and the r-554 150k, both are next to the power supply trim-pot. | Ademar Videira SC | |
| PHILCO |
PCS-3300
|
Transistor buk 438 shorted. | After making several contacts to obtain the same, none of the suppliers had it. | Solution, it was successfully replaced by the sth 12n60fi which is used in the Philips TV power supply model 29gx 1898 | Ademar Videira SC |
| CCE |
TV-2918 USP
|
Cushion effect fabric on the sides | Transistor q 406 open | Replace of the same | Jocasta |
| LG |
21FU4RL
|
It makes it turn on, but it goes back to standby | Vertical burnt, change capacitor 307 too | Marcondes Lima, Ohm Eletronica-Jaicós-PI | |
| SANIO |
CTP 3790
LA3-A |
All dead, not even the LED lights up | Q 611 short +d614 short +d611 short +c 645 burst +r620 open | ||
| PHILCO |
PH21 SS
|
Bluish image with retrace lines | D207 with short | Barter it | Marcondes Lima, Ohm Eletronica |
| TOSHIBA |
TV2159
U19 |
Only works on 110v | C880 | ELETROCLAUDIOPE AGUAS BELAS | |
| TV SEMP |
TV 2090
U14 |
Strw 5753 power supply regulator burns | D 876 shorted | Amadeu | |
| SEMP |
TV 2090
U14 |
D876 short burns strw 5753 | Replace d876 zener 5,6 | Amadeu | |
| AOC |
LM722
|
Turns the image on and off | Resolder the power supply PCI pay attention to the inverter circuit | If I need to replace q-211,212(tip41) and c-223,201(470mf/25v) | samuel leite |
| LG |
50PJ350
|
No picture with normal sound | VA and VS voltages are normal, VS voltage is low. with about 19v, normal is + - of 135v | T 501 open transformer | DEBIQUE |
| PHILCO |
PC2043
CPH-05 |
It turns on and off by itself, tsound is no on screen | Resistor de 100k(r713) | Eletronica Lelo | |
| TOSHIBA |
2090
U 14 |
Blue screen with no characters | Q 906 | Replace or just remove | Mauro Mascarenha - parazinho ceara |
| ELSYS |
ELSYS 2.0
|
Flashing display | Resoldering at the power supply | farias reprasom | |
| MITSAI |
11AK30
|
Folded vertical | D502 | Mário Tavares |