Repair Tips
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Results: 88017
Results: 88017
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILCO |
PH28T35DG LED
|
Reduce LED current | Remove r223 and r211, both 0.47r. dropped from 56v to 51v | Eletrônica Cecé. Brumadinho MG | |
| SEMP |
DL4844
DL4844 |
Turning off | Replace 3v3 n808 regulator close to two 3w reistors | Replace 3v3 n808 regulator close to two 3w reistors | central audio e video |
| LG |
LM-U550A
|
Turns on but no sound comes out, the +32v power supply doesn't work | Change photo coupler pc901, tl431 ic949 and place a 1mega resistor on pins 1 and 2 of the photo coupler | Rodrigo cofferi | |
| SAMSUNG |
UN32J4300AG
|
TV doesn't turn on at all. no standby | F201 open, short in capacitors c241, c243 | God is faithful | Andrade |
| PHILIPS |
46PFL7606
|
Tsound is no standby, u101 does not oscillate, no 3v3. . | Zd103 (7v5) with leak and/or altered | Replace diode without measuring. in the test it is ok | oskarala |
| TOSHIBA |
MS 8050MUS
|
Turns on but tsound is no sound | All voltages present except the 35v audio output power supply. | Altered d958 diode. | Márcio Rosa |
| LG |
42LC4R
|
Everything works except the backlight. lamps do not light. | On the power supply/inverter, check the 1uf/400v capacitor in series with the lamp inverter transformer. | Replace the capacitor. | NelsinhoPira |
| TOSHIBA |
TV 2086MMS
U17 |
Low power supply with 70 volts | D873 open | ||
| SAMSUNG |
UN32J4300AG
VERSãO BA06 |
With normal audio and no plot .access led bus .absence of avdd voltage on pci vcon 32an01s4lv0.2 | SMD capacitor on the VCOM PCI shorted. | CD13 replacement on the Vcon (JM) PCI. | JM |
| PHILIPS |
14PT3131
|
TV turns on closing image on the sides and turns off, horizontally. | It was the ic7515-defective photocoupler | I replaced and went for the hug | Eletronica Melo-Boa Viagem-Ceará |
| SEMP |
TV2134 SKY
SK11 |
TV with reduced vertical and horizontal frame | It was the capacitors c636,c628,c621,c619 of 1000mf for 16 volts auterated. | I took a look at the capacitors and went for a hug | Eletronica Melo-Boa Viagem-Ceará |
| LG |
50UK6510PSF
|
Reduce LED current, | Current between 420ma drops to 370ma, voltage also drops from peak 140v to 139v, operation 145v to 142.7 | Remove the smd resistor r809, to reduce it further you have to replace theΩ of this line from 1.6Ω to 2Ω or more | lucian oliveira 61991271532 DIGITAL TECH |
| LG |
50UK6510PSF
|
Blue image | LEDs with broken phosphor layer due to heat, replace LED bars | lucian oliveira 61991271532 DIGITAL TECH | |
| HBUSTER |
HBTV-3203
|
Does not turn on the backlight or turns on and then turns off. | Some high voltage generator transformer. | Compare theΩic resistance of the 4. | Persio (TVCompany) |
| BUSTER |
HBTV-32D05HD
|
Does not turn on blue LED flashing 5 volts ok | Transistor q2 | Changing transistor q2 can put mmbt 3904 | Ariel Santos |
| SAMSUNG |
UN32EH4000G
|
Didn't care (power supply ok) | Main, c205 in short and ic202 (bc847) with low resistance, close to the hdmi connectors | Replace ic1201 as it is the cause of the short (I removed it from a scrap board from another Samsung model) and replace ic202 | pix 61981378141 |
| PHILCO |
PH49F30DSGWA
|
Does not accept remote control commands | 5 volt line that goes to the i.r board is shorted. | Shorted smd capacitor in position ck1, close to connector cn18 (ir & key). | MIGUELTV |
| AOC |
D42H931
|
Bad sound on hdmi | 4dry capacitor | Replace the four near the micro | Warley cesar |
| PHILIPS |
FWP2000
|
Pulsing 12v power supply and it doesn't turn on, see c 729 of 10 | C 729 | Marcelo | |
| PHILIPS |
231TE4L-57
|
Restarting | U115 memory replacement |