Hello! I have a th-42px75u which does not power on but gives me a solid red light. I can hear 2 quick clicks then a third one when I press power button. With the tv plugged in I get 0 volts on pin 1 of P11, P2, P5, P6, P7 which are the ones I've tested so far and according to the schematic on the service manual there should be 15v at least on p5, p6 and p7. C611 and C446 don't look puffed but they don't look super flat either, I don't know if that's normal on such a big cap. Any help will be appreciated.
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Re: Panasonic TH-42px75 Solid red led no codes
No one ever had this "Not blinking any codes" problem? Just a solid red led and 3 clicks. -
Re: Panasonic TH-42px75 Solid red led no codes
pictures of boards,pictures of all of them to see how they are connected,picture of the connector going from psu to mainboard and a picture of the logic board plz.
Did you try to force on the psu without the mainboard? test pattern test?Last edited by martino; 02-09-2017, 11:15 PM.Proud owner of dozens of broken TV's and many,many,many boards.
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Re: Panasonic TH-42px75 Solid red led no codes
The 'clicks' suggests to me that the PSU is OK. The domed top on the main cap is normal. I would remove the jack from the PSU to the Y-sus Bd and see if Vs and Va come up.Comment
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I picked up a Panasonic NH-P70G2, though it would apply to the NH-P80G2, NH-P70G1 and NH-P80G1 models as well, as maybe some other models. This one was coming up with a H86 error. After lots of testing and googling it was an error with one of the thermistors in the condenser area.
The attached French service manuals is incorrect, TH11 is gray and is a 95k thermistor and TH12 is black and is a 35k thermistor.
In my case TH12 was bad. I was able to get a 35k thermistor on AliExpress. It's 6mm in diameter.
Unfortunately the whole machine has to come apart to fix it.
I have... -
Hello! yes I know there is already lots of information about this issue. I have a Panasonic TC-P55ST50 that originally displayed an 8-blink error code. Following the troubleshooting flowchart, I ended up replacing the SS board. However, even after replacing it, the issue persists. The TV turns on and stays on without displaying an image, and continuity is confirmed on all connectors. What am I missing here🤔?
Ok Im a mechanical engineer ...but I thought I was able to follow a rather simple flowchart for electric troubleshooting 😂.
TV Model: Panasonic TC-P55ST50
...11-20-2024, 08:52 PM -
Hello. I am asking you for a hint on how to solve the problem with my touchbook Panasonic CF53-2 standart model. After setting up the BIOS, the laptop displays the wrong image until Windows loads. (More precisely, it displays, but distorted, instead of the Panasonic image immediately after turning it on, it displays what is in photo #1 in the attached file) Then the image appears when Windows starts loading and then there are no problems with the screen until the reboot. If you enter the BIOS, just a black screen. If you connect an external screen, the image on it is the same as on the built-in... -
Hello. I am hoping the very smart helpful people of this forum can help me repair my TV. Here is the history of the what I have done so far.
I was given the TV by a friend who was going to throw it away because it did not work.
The TV definitely had a bad TNPA5349 board that was shorted across the power input. I sent it to a repair service on ebay and was told it was rare case and not repairable.
I then bought a refurbished TNPA5349. Before installing it I checked for a shorted power input and it was good. I installed it and powered on the TV. I could... -
I do have several old pc motherboards which i recapped 10 year ago and some of those caps are bulged now.
I would like to upgrade them using solid capacitors. I do use them for testing and helping some alternative operating systems.
I would like to ask if such an upgrade can be done, what should i have in mind when replacing electrolytic by solid caps and if such thing exist, if there are caps list for old motherboards. I would have to figure out what caps needs each motherboard and then prepare a list to try to ask for them on some electronics stores.
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