Repair Tips
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Results: 88148
Results: 88148
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SEMPTOSHIBA |
XB4351MP
|
Very low sound comes out | Lack of -12v | Replace resistor r46 valor 410r 2w | JORGE TV TÉC PARANÁ |
| PHILIPS |
32PFL 3404
|
TV turns on straight away, tsound is a loud whistle on the speakers with horizontal stripes | Oxidation around the microprocessor | Remove the shield from the microprocessor and clean around it with a toothbrush, I used aqua raz solved | Laercio umuarama |
| PHILIPS |
32PFL3007D
|
The sound turns on and the lights don't turn on | You oz9976 | So replace ci oz9976gn | miguel |
| SONY |
KDL-39R475A
|
Turn on, turn on the screen has audio but no image | Test pin 15 of the LVDS cable, if it doesn't have 12 volts, loosen the cable, increase it to 12 volts, test the capacitors on the TCOM board, with the TV upside down on the left side. | In my case, capacitor 287 was shorted! But it could be something else nearby that was shorted. | Rodrigo vipo |
| TOSHIBA |
MC-855MUS
|
Not reading cd | I bought a soh-ad5 head unit from an electronics store, I unlocked the soldering ball, it didn't read the CD, I replaced it in the store, this second lens didn't read it, I thought it was incredible, I searched for an original one on the free market with the complete mechanism, I unlocked it, I put the CD in, it read it, Look at the difference, this type of device only accepts the original unit | Resolved | Andrei |
| PHILCO |
PH39F33DSG
|
Turns on normally for a few moments and turns off the black light, looking like burned out LEDs | Defect on the power supply board u201 viper 17h = l = similar | MACSOM | |
| PHILCO |
PH21B
|
Off, when plugged in, the LED flashes, the power starts to generate and dies, then all you have to do is unload the caps. | Transistor v553 2sc1815 | To replace | gdp2 |
| LG |
21FJ8RL
|
Break and cut. try breaking twice and turn off the LED. The Q16 was removed, the vertical was replaced and nothing. | R816 and runs for the hug ................ | JK Eletrônica PE | |
| LG |
50PG30TR EAX42062803(0)
|
Blurred and distorted image also applies to 42 inches | Capacitors c1038 and c1044 both exhausted 100uf 16v | Replace them, common electrolytics fit.. if it doesn't work out, also replace the c1019 47μF 16v | Flávio SBC, SP 11 947182971 |
| PHILCO |
PH-24M LED
|
Without audio - 12v voltage, drops to 6.5v | Q3, (fet ao3401 smd) shorted or with changes. | Replace - for a new one preferably. | Severino Silva |
| SEMP |
TV-2934
|
Low power supply, does not light the st-by | Transistor q604 a1013 shorted | Replace transistor q604 a1013 | jean alves |
| DYNASTY |
25241
|
Doesn't start | Bursting irgb | Check everything on the primary and secondary transistors, in my case it was low electrolytic on the primary | ajm |
| PHILIPS |
LC424 1W
|
Does not arm the power supply by hitting the relay | Capasitores eletroliticos c844,c843= 150x35v e 866,842=22x35v | Replace without measuring | Arasonic |
| PHILCO |
PH21SS
|
The LED is blinking, and tsound are no voltages on the power supply's secondary, with only 34 volts on the +b. | 819 diode near shorted transformer | Replace it, in my case it was just him and the TV returned to normal.. | Rafael |
| PHILCO |
PH51U20PSGW
|
Doesn't start, doesn't do anything. | Without the 5 volts of standby, nor of the ps_on. (in this case the ps_on has 5v). | Diode d901, q308 and q309 replaced. | Josiano |
| CCE |
29USP
|
Expanded image ....( ).... stretched to the sides. | Q407=PSD46 | Alextecnico | |
| CCE |
29USP
|
Cup effect ..... ) ( ...... | R852 next to q406=ksd1408 | Alextecnico | |
| SAMSUNG |
CL21Z58MQ
|
Doesn't start. LED takes time to turn on and sometimes the LED doesn't even turn on. | High power supply. reaches 160v. | After racking my brains and changing the tl431, photo coupler and testing a bunch of resistors... I found the c846 (100x25v) with low capacitance. reaching 91 micro farad. replace and run for the hug. | Eletrônica R-Tec |
| SEMP TOSHIBA |
DL4045I
|
Does not turn on or light up on standby | 3.3volt power supply defect | Replace c.i. n805 3.3 volt regulator near the micro heatsink | eletronica fernandes(to) |
| SEMP |
TV2934
SK91 |
Turns on and heats up the horizontal output transistor a lot and a very weak image appears, as if it were a broken image tube. | Replace flyback and mainly coil l301. | ADEMAR |