Panasonic Repair Tips

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Make	Model	Symptom	Problem	Solution	By
PANASONIC	TC-P50UT50B	Turns on and then turns off, red LED flashes 12 times	According to the service manual, 12 blinks is a defect in the audio amplifier	Replace IC audio amplifier position IC4900 code BD5452AMUV	shermanflima
PANASONIC	TC-40C400B	It would turn on, then the image would flash about 2-3 times, the TV would disarm and the red standby LED would blink once	I thought it was the LED, I replaced the bar, the problem continued, I checked the SMD fet on the power supply near the LED output, tsound was a bad cold solder, I resoldered it and it worked normally again		Lucas
PANASONIC	TC-L32B6B	Turns on the LEDs works and turns off flashes red light	Altered bus with some LEDs burned out or shorted	Replace the LEDs or complete bus	VelkDj
PANASONIC	SA-AK36	3.3v voltage oscillating between 1 volts is 3.3 volts	Diode d10 on the FR103 power supply board	Replace d10 diode	josé everaldo dos santos ribeiro
PANASONIC	TC-L39EL6B	Does not turn on, without stb.	Leaky capacitor on the main board close to IC 8704.		Jadson G Nascimento
PANASONIC	TC-L42ET5B	Turns on BL twice, then goes into protection and the red LED flashes. 1 time	Usually bulbs, but after changing, the defect persisted	Changing protection resistors on one of the LED power channels, against overvoltage, on the inverter PCI, 2 x 684 and 1x 563, a leak would raise this voltage, tsoundfore triggering the protection.	davi.sls
PANASONIC	TC-24U400	Doesn't start	TV doesn't turn on, power supply without 5v	Zener diode with pass d7307--- 7.5volts	oskarala
PANASONIC	TC-21FX32L	Blue screen when connecting antenna becomes dark with characters and sound	Rakh D Sakh, Ak	Replace	Eletrônica Mauro Mascarenha - Parazinho Ceara - Tel : (88)981422821
PANASONIC	TC 21FX32L	With sound characters and no image or no contrast	Rakh D Sakh, Ak	Replace	Eletrônica Mauro Mascarenha - Parazinho Ceara - Tel : (88)981422821
PANASONIC	TC-21FX30L	Turns on and then turns off, doesn't turn on again, and the LED blinks.	Ic801 strw6754 can put strw6753 .		guinga sdia goias
PANASONIC	TC-L32C5B	At 220v it turns off when changing channels or with an image and the LED flashes 1x	1 defect the glue conducts from the dz7207 of 6.8v causing q7203 to conduct preventing the IC 7201 from oscillating and we do not have 390v in the c7212 after solving this second defect turns on the TV power supply pfc everything works and the backlight blinks 2 times and then turns off and led flashes 1x this defect was resolved by changing the two inverter transformers	Measurements of the defective inverter transformer at 1.4Ω/2.72 mh on both outputs 1333Ω/ 1000 mh measurements of the scrap transformer but which worked at 1.4Ω/2.24 mh and out 1342Ω/ 842 mh tested with esr02 pro	BRUSKE 2019
PANASONIC	TC20A04	Normal voltages, killing 5v on the regulator	Shorted remote control sensor	Sensor replacement	Eletrônica Possamai
PANASONIC	TC-L42E5BG	Red stand by led turns on blinks 3 times	I measured the power supply voltages, the 16v voltage is missing, pa7405 fuse code 100, open and a 10.0a 76v I put 10a 250v smd, I turned on the TV the green LED flashes 16 times or more, tsound is sound but no image LED bar on the display is off , measure the board that powers the LEDs, the voltages are normal, this defect comes from the T-con board in short, I found the fuse 2a 250v smd open and capacitor c201 - 10uf 25v smd in short, I replaced it, solved it, the display came on, the image was ok	Defect resolved	Carlos assistência técnica PANASONIC
PANASONIC	TC-L32C10B	Turns on, but does not turn on the backlight	Cold solder on the ci q843 smd, close to the connector that goes to the inverter		Eletrônica Cecé. Brumadinho MG
PANASONIC	TC21FJ2L	Works and stops constantly	IC 880 5v regulator was replaced, which showed 3 volts at the output		José delta line
PANASONIC	TC-40C400B	TV does not turn on, when plugging in the power cable, 5.3 volts appear on the j407 and drop to 0.	Fotoacoplador pc7301	Electronics daniel. phone 43-99158-6898	Eletrônica Daniel
PANASONIC	TC20A7	Vertical partially closed at top and bottom	Diode d413 was replaced with severe leakage		José delta line
PANASONIC	TC-43DS630B	It didn't turn on, just the LED on the remote control sensor board blinked	I changed the signal board, etc. It didn't solve the problem, but disconnecting the coltrole sensor cable turned on normally, I just had to change it with another plate that I had in stock and it worked perfectly.		eletronica junior reginaldo moronte
PANASONIC	TC-40C400B	Does not tune to digital HD channels	Reset factory default or click on the (TV) button on the remote control and change the options	Go to menu/settings/system menu/ shipping conditions/ delete everything? (yes!) / then do a new channel search	Maike SR
PANASONIC	TC-40C400B	Does not receive digital channels	Reset factory default	Menu/settings/system menu/sending condition/delete everything (yes) after searching for channels again	Maike SR