TV Repair: Common Faults and Solutions.
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Results: 87573
Results: 87573
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PANASONIC | 29KL05 | Club effect | Q753 can by tip41 | ELETRONICA DANIEL | |
| SAMSUNG | T240M | Turns on in a few seconds turns off the audio lamps continues disappears the image | Over time it oxidizes the ends of the lamps wsound the cables are soldered to the lamps and loosens the wires | Disassemble the screen, shave the ends of the lamps and solder the cables again, insulate correctly and run for the hug | jorge assistência técnica cotia sp |
| LG | 21FU4RLG MC-059C | Turns on and then turns off | Check resistors. r815 91k, r816 91k, r842 24k, r843 39k and r844 4k7 | 3R | |
| LG | 29FE80 MC-049A | When you press the key, the TV sometimes turns on with the stand by on, but it doesn't generate. Note: normal +b power supply | In my case it was just the d827 that receives the 6.5v from the transformer, with minimal leakage | Hug and run for the hug. | eletronica junior V. grande -MA |
| TOSHIBA | TV2159 | Low sound | Capacitors c613 and c635 exhausted | Replaced the capacitors and the sound returned to normal | ELETRONICA SILVESTRE |
| PHILIPS | 32PFL3008D/78 | The LEDs turned on and off. | I changed the memory and it was upside down. | I solved it with code. 062598 + little house + 002 I will deliver to the customer | PIG QUILES |
| LG | MCT-354 | The device turns on but tsound is no audio and it doesn't even operate the CD, it doesn't open the drawer, it doesn't operate anything, the outputs on p9701 were checked, all power supplys were reset. | Diodo zener zd911 33v em curto na power supply vcc do str-x6757 | Replace it and everything works again | Adriano Miranda |
| CEE | HPS-21AVP | Turns on with 3 rgb stripes, then warps at the top of the screen with a black bar and retrace lines. | The 100uf x 35v electrolytic capacitor in position c302 had no capacitance. | Replace for the same value, I put the 100μF x 50v capacitor. | Israel CM |
| LG | RP20CB20A | TV with normal characters high volume does not go down | Change to memory | <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small> | |
| LG | 14FK3RB | Bursting vertical ci | Tsound is no changed resistor and it just starts q813 103 | FRANCISCO FERREIRA VILA BU MARANGUAPE | |
| CENTURY | PR2010 | Fleeing the channels. | Modulator. just find out why I removed it and turned it on without it in place. | After changing the receiver ok. | George Pontes |
| TOSHIBA | 2092 LAV U16 | Only turns on standby | D 407 open. | eletronica valparaiso | |
| PHILCO | PH21 MSS | When you press the on button, the LED turns off and generates high voltage as if it were going to turn on but it doesn't, the LED comes back on. | Deflector coil | Cicero lima ELETRONICA LINE JATOBA MA | |
| PANASONIC | SA-AKX36PH E PN | Nothing turns on...main power supply working with all v. | Ic10002 dc/dc 16v em curto c0dbayy01594 | Tsound was no sale...I removed the IC and added a 15v power supply...it was perfect. | Alextecnico |
| SONY | KV-29FS110 | Press start power relay knocks but disarms and flashes 4 times successively. | I did a scan on the board and it was constant that tsound was no +b so I found the c647 of 25v by 47 on the primary a and it released the +b but it was still in protection and I did a scan on the secondary and found the r592 of 0.33r open and c617 of 160 by 33 without capacitance. I replaced it and the TV worked perfect. | Francisco Melo -Parintins-AM | |
| CENTURY | NANO BOX | Only takes horizontal channel | I changed the qf3 and df13 and everything worked normally... | Sinaiflyback | |
| SEMP | TV2050MAV U17 | I didn't tune into any channels. not even in automatic search | D101 altered 33v zener diode. | Replace it | Edfesom |
| PHILCO | PH21M SS | Ledy lit when pressing the c+ key the power supply keeps blinking and the blinking ledy does not generate high voltage | From 803 | Replace the c803 power supply capacitor | Sinailson furtado |
| PHILCO | PH200N | Clean and resolder. | U9 with bad contact. | Clean and resolder. | eletronica bianca ipira-ba |
| SAMSUNG | UN40C5000 BN44-00353A | Does not activate, power LED does not light up. | No blown fuse, but no st.by voltages. | Replace icb 801 and smd diode zdb802 ( 22 volts). | OLIBIO - Eletrônica Estudier - Canoas RS. |