Repair Tips
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Results: 88011
Results: 88011
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| CCE |
STILE D32 LED
|
Low sound. When you increase the volume, the sound freezes and pops. | 1 low impedance speaker | Replace the speaker | Paulão Tchwrma |
| LG |
W1752T
|
Does not turn on the back light | Npn smd transistor q303 with open emitter, 5v comes out to power the ic301 on pin 2 with pson activated. | Eliel Magno | |
| NHS |
COMPACT PLUS III 1200VA
|
Hitting relays, the output was oscillating, it was alternating alone between mains and batteries. | Changed q12 (tip 41c), tip was not burned or shorted, but caused output oscillation. | LEO DA MEGA SYSTEM | |
| CCE |
LT32G
GT-1326EX--D292 |
LED current reduction | Change r65 from 1k2 to 6k8 | Ederlin | |
| AOC |
LE46D3540
|
Locked in the initial logo | Replacement of 03 smd capacitors (those closest to the power supply input connector on the main board) and update using the pen drive downloaded from the aoc website | Update link: https://aoc.portaltpv.com.br/produto/le46d3540-tv-fhd | reginaldo moronte,eletronica junior caldas novas |
| LG |
CM8350
FR4-2L 1.6T |
Sound cutting out occasionally, disconnecting csd (pin 5 irs) from all irs. | Raise Q710 to locate faulty channel. | Ic701 irs2092 com flashing... | BRITO |
| PHILCO |
TP2920
|
Loud noise from the speakers caused the screen to flicker and turn off. | Diode d909 - sb3h100 - open | JHtron | |
| LG |
1642C
|
Doesn't start | Solution 1replace 3 capacitors on the power supply, but it still doesn't turn on and 3v arrives at the power button. solution 2: bios rewrite | ||
| SEMP |
LC4055(B)
|
Turns on the image for 1 second and turns off the image, the rest continues to work | After checking the pfc voltages ok, +b 24v ok and inerter on ok and brightness control everything ok but the inverter circuit continued to trip 1 to 2 seconds after switching on | After removing the inverter PCI, we tested the leakage to the housing on the lamp terminals, the same ones that fit the inverter PCI, then we scraped them all and reassembled them later, tsound is a video of the repair summarized on the channel directly on the defect, link: https://youtu. be/i7fax9gid_g | YouTube Direto no defeito |
| PHILCO |
PH24M
|
Doesn't start | Only LED standbay access | Replace or rewrite eeprom | fenixtec eletronica |
| PHILIPS |
FWM6000
|
Lowering the volume alone | Fan doesn't fire | In my case, it was the damaged fan drive transistor | Stiltec |
| LG |
60PN6500
PLASMA |
Plate and | Missing 18 v (pulsating) | Fets with fuca and this activates the protection....measure in x1 and 10k one by one....compare with good fet...what will you find....I found several from 42 to 60 inches! | ACTV ELETRÔNICA |
| LG |
50PJ350
PLASMA |
Plate and | Missing 18v (it keeps pulsing) | Tsound is a leaky fet....this triggers the protection...measure in x1 and 10k fet per fet....compare with good fets...you'll find it...I've already found several from 42 to 60 inches. ...the 18v are generated by y for the controller and for the z-sus board | ACTV ELETRÔNICA |
| LG |
42PN4600
PLASMA |
18v is missing (pressing) on the plate and | The 18v goes from y to the other boards | Is tsound a leaky fet...measure fet by fet at x1 and 10k....compare with good fets...I managed to find several 42 and 60 inch plasmas....if tsound is something wrong, the y board goes into protection ! | ACTV ELETRÔNICA |
| PHILCO |
CHALEIRA ELETRôNICA GLASS 1.7L
|
Direct whistle | Display | Replace of the same | Eletrônica Müller |
| SAMSUMG |
UN40EH5300
|
Backlight comes on, but no image | Diode 5, next to the fuse on the tcon, pj2359 shorted | Replace it. I sent the wrong model in the first post. The one in this post is the model, wsound I got the repair | Flavio |
| SAMSUMG |
UN40F5300
|
Backlight comes on, but no image | Diode 5, next to the fuse on the tcon, pj2359 shorted | Replace it | Flavio |
| SONY |
KDL-42R475A
|
Blurred image | Interrupt 8 tracks of the flat cable that leaves the tcom to the screen on the left side, same side as the power supply | Skip two tracks and interrupt 8 tracks with one tape | Mario Moreci neto |
| STI |
LE3250
|
TV doesn't turn on only on ST BY. | Touch board sensor. | Replace msd309 board, ic n6203 defect (127dal) | RNSPTEC |
| SANSUNG |
LN 40B450C4MXZD
|
White image without sharpness | Possible defects | Repair tips | marins |