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Repair Tips




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Results: 88072
Make Model Symptom Problem Solution By
LENOXX CA340C
Call without audio Burnt sound output (voltage above the supported voltage was applied) Replace of reference audio IC (ht8693sp) JC Eletrônica Cícero
SAMSUNG 2033M
The device turns on normally and after a while the screen turns off and the sound remains on. Screen turns off Removing a jumper j308 that connects ci u201 to pin 3. removing protection l. It was a great show. JC Eletrônica Cícero
LG CM4640
Does not turn on, only standby Capacitors swollen at the power supply. Replace of caps 933 and 934. JC Eletrônica Cícero
SAMSUNG UN40H5103AG
Turns on with backlight on. Changing the q9101c smd mosfet under the power supply, responsible for the current of the leds. JC Eletrônica Cícero
PHILCO PH28N91D
Turns on with sound, weak backlight Open led Changing the bars JC Eletrônica Cícero
CENTURY MIDIABOX B2
No signal and without identifying the lnbf Tsound is no voltage at the antenna input, which should be 19v (+). solution: bridge between the last transistor (at 19v) and the last point (+) before the tuner Bridge as per attached photo... Gilmor Brondani
SEMP TV2959HFS
LEM8 FS6 		Turns on with a line in the middle and turns off, vertically closed Resoldar r311 resistor smd 3k ao lado do ic vertical dj pituka
CENTURY C2161 U-SLIM
Only retraction lines. Broken trails, along the lines of abl and scp. close to v421. MARCONES DE ARARIPINA-PE
CENTURY C2161 U-SLIM
Just lines on the screen. no image Tracks on the abl and scp line broken. close to v421 MARCONES DE ARARIPINA-PE
LG 42LD650-SA
By putting in the hdmi cable, the tv recognizes it but the image doesn't have a signal, the hdmi ci gets hot but it's not it Cracked processor bga solder Redo the bga solder Eletrônica SV
LG 42LD650-SA
TV turns on normally, but the image and sound are in slow motion... Defective 54MHz x903 crystal. It is close to the processor and nand memory. Replace the crystal for the same Eletrônica SV
LG 37LG30R
Turns off and won't turn on again R128 Replace r128 from the power supply for a 15k one HC Eletrônica Guaíba
LG M2241A
After changing the ci apm4550 in a few minutes it burns again Check the bulbs, in my case I had to open the panel and one of them had a charred wire and was causing the apm4550 to burn out, I repaired it and tested it, it was ok Before changing the component, always check the bulbs ELETRÔNICA CARLOS
SONY KDL-40EX450
No image, negative image, the Sony logo appears and no image appears, sometimes the back light does not come on. Bank of resistors (0.1 r) next to the lvds cable connector, tsound are 8 one of them is open Replace them very carefully, as they are very close to the lvds cable connector, carelessness could damage the board Alex Lopes This email address is being protected from spambots. You need JavaScript enabled to view it.
LG 42LK450-SA
LG logo stuck, full of image interference or restarting alone. Check the resistor banks near the memory (56 r) or (22 r) Barter it Alex Lopes <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
LG 32LD460 42LD460 47LD460
Restarting, shutting down alone or the LG logo stuck Ar 1202 or one of the open resistor banks, close to the memory. (10 r) Barter it Alex Lopes <small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
GRADIENTE GBT 2912
Dark image you increase the screen of the retrace line Bad contact on capacitor c 310 of 1mf x 100 v Resolder the capacitor and move on to the arm. NEW PEK ELETRÔNICA
SONY KDL-42W805 B
Does not turn on LED flashes 3x I injected 1v x 400ma into each dc coil and quickly located the shorted capacitor through the power supply consumption..cap is close to cn5001 and fuse f9102 Replace or leave without Maurilio
SAMSUNG PL43F4000
Turning off by itself Do a test with a thermal blower or a head heater on the main board, if it gets hot and turns off, replace the capacitors c1024 and c1025 with 10uf/25volt electrolytic capacitors, note: observe the polarity, just find the negative side with a multimeter on the device's chassis reginaldo moronte,eletronica junior caldas novas
PHILIPS 196V3LSB2/78
Does not turn on backlight 10v capacitor by 680uf on the power supply board on the 5v line Replaced with a 16v capacitor for 1000μF Claudio Eckert