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Results: 87707
Results: 87707
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| CENTURY |
MIDIABOX B4
|
Doesn't turn on | IC U935 - Defective SD6835, no power supply at pin 3, the defect is not the resistor R1425, the defective IC that kills the voltage at pin 3 VCC of the IC. | replace of IC U935 - SD 6835, can be replaced by SD6834. | Renne |
| PHILIPS |
FWC507
|
Display off | Resistor 4.7 position 3211 transformer board. | JMC Eletrônica e comércio | |
| PHILCO |
PTV42E60DSWN
|
The LED bars do not light up, sometimes they turn on normally. When cold it was defective, heating the capacitors it would work | replace of electrolytic capacitors 100uf x 100v cb2 and cb17 at the output of the led drive power supply | Sérgio | |
| MACKIE |
PROFX8V2
|
Low gain on microphone inputs or noise on gain potentiometers | Replace 1N4148 SMD diodes, they are all on the board and tsound are p10 and XLR connectors. | ||
| LG |
CJ65
|
does not turn on and all power supplys are ok | 24mhz crystal x500 if the crystal heats up the sound turns on | replace 24mhz x500 crystal if you don't have the original, adapt a really large one | Beto2828 |
| SAMSUNG |
CL21C650ML
|
When connecting to the socket, the LED flashes 1 time and remains off, +B goes to 130v or 140v and drops to 0v, power supply capacitor charged | Resistor(s) R821B, R821 or R819 | check if one of them is open or open and make the replace | DTEC-ELETRONICA-Massapê-ce |
| SAMSUNG |
UN46F6400 UN46F7500
|
Hitting relay | altered leds | ||
| PHILIPS |
32MF605W
|
No sound, picture ok. | No Vcc Voltage on the audio processor. Check voltage regulator 7006 | Aaron Fresno | |
| VIZIO |
V047LFDHTV10A
|
Backlight works but no picture. | Fuses ok. T-CON failure | The only solution was to replace the T-CON | Aaron Fresno |
| TCL |
50P755
|
No sound | ADVDD voltage below 3.3v, on pin 9 of the AD82088 sound integrated circuit, oscillating around 2.7v. | The easiest solution I found to solve this defect was to add a resistor in the RDX102 position of 0R, it is on the right side of the sound integrated circuit, close to the heat sink, thus restoring the necessary 3.3V voltage. | Eletrônica Renova |
| VIZIO |
M3D460SR
|
Noisy picture and, when it has been running for a few minutes, it turns white, | 1.2V voltage regulator on T-CON (U205) faulty | Replace voltage regulator | Aaron Fresno |
| VIZIO |
M3D460SR
|
Noisy picture | 1.2V voltage regulator on T-CON (U205) faulty | Replace voltage regulator | Aaron Fresno |
| PHILIPS |
50PFP5332
|
Dead, LED flashes 6 times | Check C601 e C609 | Aaron Fresno | |
| VIZIO |
P50HDTV20A
|
Hang up | Power supply problem | Replace all capacitors C201, C202, C203, C227, C271, C272, C282 and C283 in the power supply. Also check C261 and C275. | Aaron Fresno |
| LG |
CM5660
|
Doesn't turn on, power supply ok | Crystal X501 24Mhz, just replace. | Eletrônica JJ | |
| LG |
CJ88
|
Doesn't turn on | Cristal x500 | Replace the crystal, it can be the 2-legged one, but on the board, solder pins 1 and 4 | Andrei |
| CENTURY |
MIDIABOX B5
|
Receiver does not turn on, without power supply to the power supply secondary. Secondary diode D46 leaked, replaced, device worked. | Diode D46 | Renne | |
| SAMSUNG |
UN50NU7100G
|
Backlight on but no picture | Short display | I isolated 10 routes, from 10 to 20 vcon on the left, it worked perfectly. Good luck! | Jhone eleetronica |
| SAMSUNG |
40H5103
|
It turns on, after a few minutes, turns off and locks the standby LED. | Q207 (1E NPN), | Replace... | joaomvjr |
| MULTILASER |
TL038
P75-M8V6.4 |
doesn't start | Primary power supply burned out, difficulty with electrical diagram, c.i. PU2 burnt out | Several tests with similar c.i. I discovered LD5530 works perfectly, check photocoupler and TL431 or AZ431 also shorts out | JhonatanSG |