Repair Tips
Search:
Results: 88010
Results: 88010
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
OM4560
|
Does not turn on, power supply inoperative. | I checked the resistors that my friends had already given me a tip about, they were ok, the defect was the IC901 having a short in the power supply. | ||
| PHILIPS |
HTS3011
|
Difficulty turning on, when you press the power key the standby LED flashes and comes back on. | C920 10uf 16v on power supply exhausted | Eletrônica Barbato | |
| TCL |
L55S4900FS
|
LED current reduction | Retire o resistor r623,coloque r624 560,r628 150,r627 150,retire r625,retire r626,retire j12 e coloque resistor 560 | By doing this it will decrease by approximately 4 volts per side, this is enough to not heat up too much | reginaldo moronte,eletronica junior caldas novas |
| PHILIPS |
43PFG5813/78
|
The TV turns on, the LEDs blink and turn off, leaving only the sound. | Shorted diode d601 | The defect seemed to be the LEDs, but it was the shorted diode | Eletrônica Pauly |
| AOC |
D32W931
0000 |
Turning off, standby 5v also reset | Ci u505 hdmi short | As the client did not use this function, delete it, it worked perfectly! | JHONE ELETRONICA |
| PHILIPS |
29PT4635/78
|
Dead power supply | Photo coupler | Replace without measuring, in my case the multimeter showed good but it was defective. | Milton Camargo |
| PANASONIC |
SA-AKX100
SA-AKX100 |
All voltages are normal, but the display does not light up | 5 volts missing on pins 36 and 37 of the display | Replace the d1001 diode on the main board. You can put 1n4007, it doesn't need to be fast. | RUBERVAL |
| SAMSUNG |
UN32FH4003G
|
Bn44-00492a = bn44-00554b, with identical voltages and identical connection, identical LED current voltage. | MIGUELTV | ||
| PHILIPS |
32PFL3605D/78
LC10.1L+LLA |
Gray image, with horizontal lines and blinking | R3j18 (r750k) aberto ( vgh_35 ) | Replace r3j18 | leitemarcellus |
| LG |
32LN5400
|
Doesn't start | Power supply | Ic101 (ssc1s311a), r107 (22Ω), r108 (100Ω), q101 (mdf11n65b), c102 (330pf 1kv), f100 (t5a h 250v) - em curto/abertos | Carlos Modesto |
| LG |
LN5400
|
Doesn't start | Power supply | Ic101 (ssc1s311a), r107 (22Ω), r108 (100Ω), q101 (mdf11n65b), c102 (330pf 1kv), f100 (t5a h 250v) - em curto/abertos | Carlos Modesto |
| LG |
LN5400
|
Doesn't start | Power supply | Ic101 (ssc1s311a) | Carlos Modesto |
| SONY |
KDL40NX655
|
No sound, or sound keeps coming and going | Change headphone connector (green connector) | <small> |
|
| LG |
42LD460
|
Does not turn on or standby | C-457 and c460 shorted, leading to c-405, 459 and which are in parallel with the same symptom, also killing the 3.5v power supply. | Replace of c-457 and c-460. | EVALDO DE OLIVEIRA |
| SAMSUNG |
LN26B350F1
|
After a while, the PFC backlight +b turns off ok at around 388v, drive-on pin ok at around 4.7v | Possible weakening of the lamps, the PCI was also damaged, the two 47/50v caps were replaced in series and that didn't solve it either. | In the ci drive of the BD9893f lamps connected pin 10 to ground through an 82k resistor disabling the protection | You tube - Direto no defeito |
| PHILIPS |
20PT3331
|
White lines on top of the screen | 2465 with 10mf, I had put a 47mf one and it didn't solve the problem and the voltage was at 12v and when I put a 10mf one it went up to 18v and the TV was normal. | Eliel Magno | |
| LG |
55LA6210
|
Stand bay flashing and won't turn on | C 2430 shorted is close to the connector that comes from the power supply | Roberto | |
| SEMP |
DL2970(B)W DL3270(B)W DL3970(B)F LE3274(A)W LE3974(A)F DL2971(B)W DL3271(B)W DL3971(B)F
|
The logo appears, disappears and so it stays, with BL and green LED | Corrupt nand data | Rewrite or replace nand | davi.sls |
| PHILCO |
PH24A LCD
|
When you turn on the TV, the red LED stays on but when you press the power button it doesn't turn red and it doesn't work. | On the main board tsound are 2 cis 3.3v regulators. one of them is not regulating the 3.3v. tsound will be less. good luck! | João Carlos eletronica- Paulista- pe | |
| PHILCO |
PH24A LCD
|
When you turn on the TV, the red LED stays on but when you press the power button it doesn't turn red and it doesn't work. | On the main board tsound are 2 cis 3.3v regulators. one of them is not regulating the 3.3v. tsound will be less. good luck! | João Carlos eletronica- Paulista- pe |