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Results: 88080
Results: 88080
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| TOSHIBA STI |
LE 3252I
KPS+L070 |
It doesn't have 6v sometimes it does, if you remove the cable from the mains it doesn't have it anymore, taking it out and putting it back in several times comes | At the power supply in the primary replace the smd 6755 (cb904) | Eletrônica Ômega | |
| SAMSUNG |
UN48H4203
|
Duplicated/shaky image | 1k RG6, TCOM board. change to 5k | Djalma Moreira | |
| SAMSUNG |
UN46F5200AG
|
Stand by LED lights up when you turn on the TV, the LED goes off and nothing else happens, it becomes inoperative | By disconnecting the main board from the power supply, the LED bars will start blinking and would have to light up at maximum brightness. | Rs 802 of 10r smd replaced to 155r in the power supply close to the cp 814s larger electrolytic of the power supply | REAL ELETRON CARVALHOS MG |
| LG |
CP-14J50
MC83A |
Turns on but not the image | Capacitor da power supply c816 220uf 400v | Replace c816 220μF 400v c814 160v 100μF c829 160v 100μF | Eudes Viana |
| PHILCO |
PH40D10DSGW
|
LEDs flash quickly and go out, normal sound | Ov circuit of the ci driver of the LEDs with a problem, disabling the circuit. | Check resistive divider on pin 7 of the driver ci, consisting of a 1m and 10k resistor. | davi.sls |
| LG |
CM4450
|
On the radio it rings and cuts out immediately and the amplifier power supply goes up to 55v and drops. cutting out the sound | Open 20v zener diode 932 | Just replace it and that's it. God bless you all. | Clebson Vale |
| SAMSUNG |
UN32F5200AG
|
TV turns on, has sound and back light comes on, but no image. | Defective t-board. | Replace the three smd capacitors cd23 cd22 cd21, altered, leaking, short (10μF) | RNSPTEC |
| SONY |
40EX455
|
Sony appears and turns off | See q6101, q6102 and r6536 and this electrolytic capacitor on the 5 v line c9305 | ADAILTON | |
| SONY |
40EX455
|
Sony appears and turns off | I replaced all the photocouplers and resoldered all the cis smd and it solved the problem. | FERNANDES | |
| SEMP |
1450
U17 |
Vertical closed | Leaky diodes d301 and weak d302. | Replace with 1n4007 | Heinz |
| PHILCO |
PH28N91D
|
Doesn't start | Check if tsound is a short in the 12v line on the main board | Main capacitor c209 shorted, killing the 12v line | mfelipe |
| SEMP |
TV DLED L32D2900
|
Burning the LED bus. | High backlight voltage, above 80v. the ideal voltage would be approximately 72v. | Remove the first two 0Ω resistors close to the LED connector (cnb801). the voltage will drop to approximately 69v. | JMS Eletrônica |
| CCE |
TVS-2910FS
|
Does not turn on, standby LED is off, no secondary voltage | Capacitor c816 (470mfx400v) completely exhausted | Replacing capacitor c816 (primary power supply) | Bruno C. Rodrigues |
| LG |
14SB1RB
|
Tv turns on stadbay and goes off without any voltage on the secondary, tv inoperative | It was the photocoupler, it killed the 5 volts | Replace even after measuring well | Eletrônica Melo-Boa Viagem -Ceará |
| LG |
32LD460
|
8 volt voltage low on c659 | Altered 510k smd resistor r609 measuring 391k was replaced after a major analysis on the main board the voltage on the c659 started with 6 volts and dropped to 4.71 volts causing image failures. | marco.32 | |
| PHILIPS |
FWM779
|
On and off or on and off | Transistor of the 7506 overvoltage detector with leakage on the regulator board | Stiltec | |
| SEMP |
LE3278I
|
To increase the useful life of the LEDs after replacement | Remove the 0.47r resistors r48 r53 r76 r79 and put 1w resistor 1r0 in place | Original voltage was 47v, putting one resistor voltage goes to 41.5v, if tsound are two it goes to 44.0v | Paial.eletros |
| LG |
RP20CB20A
SC-023A |
When plugged in, the LED turns on and off, secondary power supplys arrive and drop to 0v | C826 - 470uf/16v, c408 - 2,2uf/160v | I replaced the capacitors, solved it | CTEletronica -Caruaru -PE |
| AOC |
LE42D7330
|
TV with only 5v on pin 2 of the cn902 connector and it doesn't turn on, regulator u702 main board getting hot. | Just remove the ci u501 "ci hdmi" and the TV will turn back on but without the hdmi inputs. | Just replace the ci and problem solved | CLAUDIO |
| AOC |
42LED7330
|
TV with only 5v on pin 2 of the cn902 connector and it doesn't turn on, regulator u702 main board getting hot. | Just remove the ci u501 "ci hdmi" and the TV will turn back on but without the hdmi inputs. | Just replace the ci and problem solved | CLAUDIO |