Repair Tips
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Results: 88089
Results: 88089
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SHARP |
LC32A28L
|
Turns on after a while, turns off or turns off | Tny277pn | Replace it without a doubt, it will solve the chronic defect of the sharp brand | Maike sorriso-MT |
| LG |
CM4340
|
Does not turn on completely off inoperative | D926 is d923 sb360 shorted at the power supply | I put 2 fr 306 diode ready and it works again as it came out of the box | Reis eletrônica |
| SAMSUNG |
HT-Z320T/XAZ
|
Turning off after five minutes + or - | Short in circuit | Smd capacitor fc3 (10μF) shorted, fq4 open (a1273) replaced, they are near the top of the fan. | RNSPTEC |
| CCE |
HPS-21AVP
|
Tsound is no audio or sound, tsound was a lack of 5 v on pin 16 of the ci 603 and tsound was a short from the aforementioned pin to ground. | C 107 of 470/16 v shorted and r 103 of 33 r open, replaced everything ok | Eurípedes | |
| PHILIPS |
FWM653
|
Mute, or cuts the sound randomly. | 12 volts going to the amplifier board failing | Check circuit that switches this voltage, q608 q609, associated resistors and capacitors. | davi.sls |
| CCE |
LT32G
|
If, when you replace the card for another, the image turns upside down | Just replace the flash memory u103 | Reinaldo | |
| STI TOSHIBA |
LE3973
|
Turns on the screen, no image appears. backlight ok without audio. | Bad eeprom, I tried recording every way, none of them worked, it wouldn't let me delete the old files. I got another 2564 from Wiboud and re-recorded it with this firmware https://www.4shared.com/web/q/#query=le3973 I'm perfect again. | Defective eepron | |
| SONY |
HCD-EX66
|
Turns off intermittently and sometimes doesn't work | D932 diodo zener 22v alterando | Replace without measuring | Multi Service Eletronica juara |
| PHILCO |
PH32M DTV
|
TV turns on without characters. | Poor contact on jumper cn17, not allowing voltage to reach the screen connector | Remove jumper and replace | Reinaldo |
| PHILCO |
PH32M DTV
|
TV does not turn on (green LED on) | Measure voltage on regulator u36, tsound must be 1.8v at the output. the input comes from jumper cn17, passes through diode d76 and enters u36. | Replace d76. | Reinaldo |
| PHILCO |
PTV40E21DSWN
|
Doesn't start. standby LED off. | All normal voltages in the secondary, except in the nu2p2 ams1117 3.3v regulator, which had only 2.75v at its output. This defective regulator was replaced and the device started working normally again. | Isidro | |
| SAMSUNG |
UN55MU6300G
|
Power led flashing | D9002c | Diode d9002c (mur460g) shorted | ANTONELLO |
| CCE |
520USX
|
Opens and closes the drawer without stopping | Change the contact that is in the drawer between the reader and the tray and then | eletronica publisom de natal rgn | |
| CCE |
520USX
|
Everything stopped | Replace ci viper 22 a | eletronica publisom de natal rgn | |
| PHILCO |
PH28B25DG
|
It has sound and no image. burning LED bus. | LED bus voltage above 30v (in my case it was almost 32v) | To lower the voltage on the LEDs, you must replace r610 from 10k to 18k. the voltage on iset pin 6 of the mp3394 must be 1.20v. and 29.5v LEDs. | EvandoViana |
| SEMP |
2134 CSL
SK11 |
Turns on and then turns off | Q606 changed | Remove the q606 (s8050) and place a 7805 regulator taking the r628 resistor pin to the 7805 input, and the regulator output, connect to j733 and ground the central pin. it can ground directly on the audio output heatsink, or on any ground point on the board. | MARCONES DE ARARIPINA-PE |
| SETSOM |
IR400.4
|
Power supply inoperative, such as off | Open transistor, connected to very high voltage | Replace smd npn transistor in position q2 (just after the power input) | HAHNRAHN |
| PHILCO |
PH21D
|
Doesn't start | D820 | Rual de saja eletrônica R.E | |
| SONY |
MHC-V5
|
Protect o3 | Remove transistor q1007 and leave it without it, from the amplifier board. | Remove transistor q1007 and leave it without it, from the amplifier board. | |
| CCE |
TLCD-32X
TLCD32X |
Nothing turns on...it has 300 volts from the mains supply, without other voltages. | Photo coupler pc 601, when heated welder, tv worked. but when cold it didn't turn on. | Just replace the pc601, the sound was also hissing, replace the ce115. | Eletrônica Moises N.H |