Sometimes that "chirping" is caused by loose windings on various transformers. You can usually isolate a particular transformer by pressing on it when it is "chirping" & it may stop "chirping" or the frequency my change. If that is the cause, you can A: replace the coil, B: replace the Printed Circuit Board, or C: Do nothing as it really isn't hurting anything but your nerves.
SOURCE: Tv will not turn on
I just bought a Panasonic TH-42PZ800U and had the same problem. 10
blinks and the TV would not start. Then after some trial and error I
solved the problem!
Here is my (apparent) observation and solution:
I had only one input into the TV, which was my HTPC connected via a
DVI-to-HDMI cable plugged into the Panny's HDMI 1 slot. *IF* the HTPC
was already on, then the Panny would have the blink of death. *BUT* if
the HTPC was off, the Panny booted fine (assuming I cleared the blink
of death first by powering off the HTPC, unplugging the TV, and
replugging the TV back in with the HTPC still off).
My solution was to move the HDMI cable from slot 1 to slot 3. After
making this one change, everything worked as it should. No more 10
blinks of death. I could even leave the HTPC on and turn on the TV
last, and it still worked. Tried this 10 times, worked 10 times.
I don't know if this will solve other people's problems, but I hope it
at least provides some clues. I wonder if this is a fundamental circuit
design flaw on the part of Panasonic, rather than a "bad batch of
parts" problem.
Thoughts? Feedback? Send to gcpien at hotmail dotcom
SOURCE: How can I connect Panasonic TH-37PX60U Flat panel
It will depend on your video output options on the computer. If you have HDMI output, just use an HDMI cable and an audio cable (this will need to be a 3.5 mm to RCA audio cable). If you have a DVI output, use a DVI to HDMI cable and the audio cable (or a DVI to HDMI adapter and either a DVI or HDMI cable depending on which side you want to put the adapter). If you only have VGA out from the computer, use a VGA to DVI adapter and the DVI to HDMI connection and the audio connection. (Theoretically this should work but each adapter will have some signal loss issues.)
Some graphics cards have a video output, S-video or Component video, which would also connect to your TV with the audio cable. (Read your cards manual for more information)
I hope this helps.
Cindy Wells
(For DVI to HDMI cables, you will need to check if you have a single link or dual link DVI output. The wrong cable may not work.)
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Sorry to bother you - I just saw another post with the same issue
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