Repair Tips
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Results: 88044
Results: 88044
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SAMSUNG |
UN40B530
|
Backlight going out, works intermittently. | One of the bulbs was bad. | I completely resoldered the power supply and left it for testing, but the defect remained. The solution was to disassemble the panel and test each lamp separately. One had a problem, I replaced it and the TV didn't come back on. | GABSENS |
| SAMSUNG |
UN40F5500
|
Flashing backlight after replacing the LED bars. | Aluminum bar shorted to the housing. | Check each bar with a backlight tester, placing the black tip on the aluminum back and the red tip on the positive side of the LEDs, the one that lights up is causing the problem. | GABSENS |
| SONY |
KLV40M400A
|
When turning on the TV, the LED button lights up green, then turns red and flashes 6 times | Backlight error: short in capacitors parallel to ci 6702 on the power supply board (capacitors c6732 ceramic, c6759 electrolytic, c6753 electrolytic | I replaced them and the RV returned to normal | magaivereletronica |
| SONY |
KDL-32R435A
|
4 blinks 8817 client | Tsound is a lack of 12 v that powers the screen, tsound may be a short on the 12 v line as well 8817 customer | Replace of ic6007 8817 client | marcos melo cascavel ce |
| SEMP |
40RV700FDA
|
Does not turn on, sometimes green LED | Resoldering and replacing the fuse holder | fagundes assistencia | |
| SAMSUNG |
CL21C650ML
|
Rainbow lines at the top of the screen | Ci la78045 | Sometimes it's the c304 capacity, but that wasn't the case! | Wanderson |
| SAMSUNG |
CL14C600KJ
KJ |
Does not turn on, when plugged in the stand-by turns on and off the +b drops to 0 | Diogo zener 813 | To replace | Edval |
| SAMSUNG |
UN32FH4003
|
Does not turn on, nor does the STDBY LED light up, power supply inoperative | Shorted dm858 diode | Diode replacement | Testoni |
| PANASONIC |
TC20A10
|
Vertical beam in the middle of the screen with only a risk | La7840 short | Replace components and the TV works fine again | Tecon eletrônica |
| AIWA |
CX-JN77
AIWA CX-JN77 |
Turns on and activates the protection and turns off, the red LED flashes | R477 and r496 are open follow the scheme https://www.mediafire.com/file/2p65e90lbmj9dm3/aiwa+cx-jn77.pdf/file | Replace the 100Ω r477 and r496, they are open, follow the diagram | neupsx4 |
| AIWA |
CX-JN77
AIWA CX-JN77 |
Turns on and activates the protection and turns off, the LED flashes red | R477 and r496 are open follow the scheme https://www.mediafire.com/file/2p65e90lbmj9dm3/aiwa+cx-jn77.pdf/file | Replace the 100Ω r477 and r496, they are open, follow the diagram | neupsx4 |
| PHILCO |
PH40U16DSG LED
|
Doesn't work | Dp401 (hrb3200) and qp401 (mdd1425) short | Replace them | SANTOMEL |
| SAMSUNG |
UN58RU7100G
VERSãO DA02 |
TV turns on, gives sound and lights up screen and doesn't show image | Fuse y, open, next to q221 (sftp4435mp) on main board bn94-14197f | Replace it | SANTOMEL |
| TOSHIBA |
40L2400
|
Does not turn on, stand by always lit in red | Defective nand memory | I measured voltages of 3.3 on the regulators and everything was ok, if the n807 regulator has a voltage of 3.3v, it means that the TV may have a defective N801 or the TV is on, in my case the TV was on and the defect was the memory nand | Claudio Eckert |
| PHILCO |
PCM 1443
|
Vertical beam | R720 1r open | Replace components and the TV works fine again | Tecon eletrônica |
| LG |
21FU4RL
CW81A |
Burning the c6090 horizontal output | Replace c414 18n and due to the large number of counterfeit components, replace the c6090 with a c4429 position q402., | Replaces the c6090 with a c4429. It has to be original! | MARCONES DE ARARIPINA-PE |
| PHILIPS |
42PFL3604/78
|
Inoperative without standby | D815 d808 l807 | Replace the d815 and the d808 1n4007 also replace the 4.7 mh coil l807 and just run for the hug. | Sinailson VTX |
| SEMP |
LC3246(B)WDA
|
No audio, only on headphones. 12v is missing from the amplifier. | C248 short and d206 open. | I put a coil in place of the d206, it works perfectly. | Eletrônica JJ |
| SAMSUNG |
CL 21K40MQ
KS9C |
Without image but with characters. with sound | R423 aberto prox ao tsh (flyback) | Ricardo Silva | |
| LG |
55LA6210
|
The LED flashes 1 time and does not turn on | D603 in pcf power supply | Divino Moura |