Question about Philips 42PF9631D 42 in. Plasma Television
If you have the experience and the tools, the best thing to do would be to first download the service manual, which you can do for free at the following website:
It is a multipart self extracting rar archive, and free of viruses.
On page 20, starting at fig. 5-6, there are troubleshooting flowcharts that you can then follow to identify the issue and find out what you have to do to resolve it. There is a built in system which will blink the LED's in specific patterns to help identify which area of the TV is having issues. Again, if you have the experience and tools you'll be able to follow the charts to the resolution of your issue. If you have never worked with TV's then it would be better to leave the diagnostics and repairs to a repair tech. There are lethal voltages inside all TV's that must be dealt with properly.
Good luck with whatever route you choose to follow.
Posted on Apr 26, 2010
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Posted on Jan 02, 2017
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Mar 12, 2015 | Mitsubishi Televison & Video
Mitsubishi TV troubleshooting
Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.
For example, 3 flashes, then 7 flashes = 37.
Here are the error codes, and the corresponding problem:
12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected
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