Repair Tips
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Results: 88017
Results: 88017
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| TOSHIBA |
TV1450MAV
|
Normal image and noisy sound. cracked sound | Tr q611 c2874 leaking. near the audio ci | BICHARA SARQUIS | |
| SEMP TOSHIBA |
TV1450MAV
|
Red screen with sound and image | 15k open resistor on tube socket board | BICHARA SARQUIS | |
| PHILCO |
PTV43G50SN LED
C430Y19-5C |
TV arrived with a weak image, without backlight. | LEDs checked and good, power supply board sending 24VDC to the LEDs p/n juc7.820.00230122 | Changing cp15 and cp16 (out of stock), it was 120µf x 63v, I used 100µf x 100v, now we have 70vdc. | Robusto63 |
| PANASONIC |
TX-P46G30E
|
Flashes 14 times relay hits and disarms sometimes the fans start for a brief moment | Cold solder on the power supply board | Resolder compromised jumpers and solders and run for the hug | NCTIC REPAIR |
| PHILIPS |
42PFL3604
|
Stopped working, power ok | C101 1000uf/16v dry and c474 4.7uf/16v in c474 be careful when removing the old one it can break the tracks | fabiusmax | |
| SEMP TOSHIBA |
LC2645W
|
Noise in sound | Capacitor de 10uf x 25v cw907 na power supply | JDG | |
| PANASONIC |
TC-40C400B
|
LED current reduction | Retirar resistores smd r7802,r7803,r7804 | reginaldo moronte,eletronica junior caldas novas | |
| PHILCO |
PB500BT
|
It turns on the first time, after a while if it turns off it won't turn on again, just unplug it, and when it works, the display and the power LED keep flashing | Change the ic4 if 3.3v on the panel board, in my case I couldn't find the same, I used a reg7805 with two 4007 at the output and a zener3v3 diode, it stopped flashing and worked perfectly, | Be careful with the original regulator, it has different input and output pin positions | Rodrigo cofferi |
| LG |
32LK330
|
Does not turn on standby access | Power supply goes into protection | Removing the capacitor c402 was shorted | LOOPTEL |
| LG |
32LN536B
|
Vertical and horizontal lines appear in the image, image freezing | I removed the tcon flat on the right side, the image appeared normal, in half, I isolated some tracks on the left side of the flet, (I skipped the first ones) it was resolved | C.T.Eletrônica - Caruaru - PE - Brasil | |
| BUSTER |
32D03
|
The switch on is completely off, it doesn't even light up on standby. | Test d12 uf5408 has a short circuit, replace it with 1n5408 and it burns again. | Put μF5408 and replace c975 100/250v and solve it, good luck erontec. | Eronaldo (erontec) |
| SAMSUNG |
UN32F5500AG
|
TV doesn't turn on, without STBY. | Power supply board primary circuit. | Leakage zener diode zdm 803, has the shape of an smd transistor, but is 27v 1/2w zener, leakage of approximately 200r. | RNSPTEC |
| PHILIPS |
42PFL5508G
|
Turns on, the logo appears, gives a blue screen and restarts. | Corrupted software | Replace eprom or rewrite (I suggest changing) | Mau3000 |
| TCL |
DL4077I
|
After replacing the LED bars, the TV only flashed the bus and then went out | Led driver activating protection ci tps61196 | Connect an LED with + to pin 19 of the ci and - to gnd, thus deactivating the protection | GABSENS |
| LG |
50PB690
|
Doesn't start | Without 200(vs) ci supply ncp 3197 ic801 | Just replace and run for the hug | Cabeça |
| PHILCO |
PH32U20DSGW
|
Does not turn on completely dead. | Capacitors cp303, cp302 swollen, after replacement u809 burned out (me4953) due to a short in c997 (smd) | Replace of the aforementioned capacitors, and the u809. | lucian oliveira 61991271532 DIGITAL TECH |
| SEMP |
LC4245
|
The lamps blink, and tsound is no 12 and 24 volts, while it works, with a 12v lamp connected to the power connector output, you can see that it is oscillating! | Replace the tl431nw952 and the photo bc904, and also place a 100k resistor on pins 1 and 2 of the same photo, the lamp stops oscillating and the defect is resolved | Rodrigo cofferi | |
| AOC |
LE32M1475
|
The TV only has the blue stand by LED on, but the TV does not turn on, the voltages on the regulators remain constant, with only the regulator u104 having direct voltage and the others only when the TV turns on. | Despite the valid tips given by some technicians for changing the regulators, in my case I solved it by changing the flash memory and everything was fine. | ALBERI F S | |
| SAMSUNG |
PL51F400AGXZD
|
Inoperative does not turn on anything or standby | Voltage-free power supply board | Test code board ic801 (sqt7011k) short on the power supply board | RIC TEC ASSISTENCIA TECNICA |
| TOSHIBA |
DL3253
|
Turns on red standby, when clicked it turns green, Toshiba appears and returns to standby | Regulator n805 3v3 with voltage changed to 3v | Replace n805 "1117-33", close to the main ic | HAHNRAHN |