Repair Tips
Search:
Results: 88096
Results: 88096
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
FWM196/55
|
No characters appear and sometimes it makes a hissing noise if you have it in the radio position. | 32khz cylindrical Christ x602 oxidized rust cut terminals | Changing the crystal can be used on a PC motherboard that serves 32 kHz | Lucas |
| CENTURY |
SUPER COLOR
|
Image disappearing or with dark band | Diode open or opening in the power supply rectifier df4, df3, df2 or df1, dropping the voltage of 8v on pin 1 + of the 5v regulator u3. | After changing the receiver ok. | George Pontes |
| TOSHIBA |
32L2400
|
No image. the logo appeared and erased in 2 seconds. just keeping the audio. | To avoid return, I changed the current of the LED bars. I placed another resistor in series with the r765 (2r2 + 5r6) smd. the 91.2v voltage dropped to 86.2v, and the 271ma bar current dropped to 174ma. | Eletrônica R-Tec | |
| AOC |
LE32W234D
|
Screen lights up, no image | V-con board short in c151 and q110 ao3401a short between gate and drain. | Replace c151 10μF 50v smd and place a 10r resistor between the drain and power supply. | Carlossbs |
| SEMP |
LC4245W
|
TV turns on but back light comes on and goes off immediately, giving just a blink | Lack of 12v on the main board, fuse f801 open due to the ceramic c154 in a short circuit. to varicap. | Alberi F S | |
| SAMSUNG |
CL21K40MQ
KS9C |
It doesn't help, it just keeps squeaking near the fly-back | Fly-back | Replace the fly-back aa26-00201a and just run for a hug! | Sinailson furtado |
| PHILIPS |
32PHG5102
|
Power supply with mosfet and ci reg smd and blown resistors | Correcting previous information | Q9101= k8a65d 650v, 8a pode por 10nk60zfp 600v, 10a | ROBERTO BRUSKE youtube |
| PHILIPS |
FWM143
143/55 |
Doesn't connect at all.... | Q306 shorted from collector to emitter.... 12v input caused short in ic302... opened r330,331,332,333 | Tr_m- and tr_m+ were connected to pins 98e99 ic1, inhibiting the device from turning on... I removed q306 and ic302 started working again (I couldn't find an ic to buy)...ap. everything works again - cd | Alextecnico |
| LG |
CM4340
|
Does not turn on, completely inoperative | Open fuse, open thermistor and shorted 8n80l mosfet | Replace components. | NiloTech |
| HBUSTER |
HBTV29D07
|
Doesn't start | Power supply was normal tv didn't turn on | Rewrite the eeprom memory and it works fine | orlando lott |
| AOC |
32 LED TV
|
Doesn't start | C9111 330ufx16 | Replace-loc9111 330μFx16 | ASL ASSISTENCIA TÉCNICA TONINHO |
| TOSHIBA |
1482
|
Lines at the top of the screen | C308 100ufx35v | Replace without measuring c308 100μFx35v | ASL ASSISTENCIA TÉCNICA TONINHO |
| TOSHIBA |
1482
|
Turns on with noise in the power supply transformer | C877 47x50v c868 47x50v | Replace-them | ASL ASSISTENCIA TÉCNICA TONINHO |
| CINERAL |
29P CIN-0507
|
Unlock without control | Improper programming | Leonardo | |
| PHILCO |
PTV32D12D
|
No image. | Connector on the back light is faulty. | I removed the rb840 inverter resistor (4r7). the measurements were 61.7v and 248ma and then it was 59.1v and 178ma. I made the replace to avoid return. | Eletrônica R-Tec |
| PHILIPS |
14PT414/78R
|
Turning off by itself | Unknown | Make a jumper between the base and emitter of the 7611 transistor which is close to the keys and just run for hug! | Sinailson furtado |
| SIEMENS |
FC210
|
Sound/intermittency failures | Good image but the sound is intermittent from time to time. | Replace switch and replace eeprom | AleVict |
| GRADIENTE |
IA-II
ESOTECH |
Blowing mains input fuse | Shorted rectifier bridge | Replace the bridge, and check secondary power supply components. | Trendset |
| GRADIENTE |
IA-II
ESOTECH |
No audio | Preamp and outputs ok, injecting signal, I found the monitor switch interrupted. | Replace the keys. | Trendset |
| GRADIENTE |
IA-II
ESOTECH |
Blowing mains input fuse | Shorted rectifier bridge | Replace the bridge, and check secondary power supply components. | Trendset |