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Re: 42PF9630A/37 Phillips Plasma HD
Possible you might have a bad tuner in your tv. But the sound blaring. Sounds like u might have a bad audio amp. But, there might be another reason ! 9630 tvs are very bad about being assembled with the speaker wires being pinched between the cabinets. causing no audio or the tv to shut down.
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The only thing I can suggest outside of taking the television to get repaired is a hail-mary firmware update. To be honest, the firmware update process is fairly complicated and lengthy. You can download the firmware and find instructions for it here.
Look on the right hand side for firmware information.
This TV is likely outside of its 1 year manufacturer's warranty so you would have to pay any and all repairs. Before deciding to do a repair you might try calling Philips. For a while they were offering a service to customers like yourself with out of warranty units. They would offer to sell you a more up to date model at a discount. I'm not sure they still do this but its worth a shot.
I had an LG 37" LCD that did this to me. Turned out to be bad solder joints on the side button board. Just reflowed and it starting working fine.
But now that I think about, I had another set do the same thing, only it wasn't the button board. I had to upgrade the TV's firmware via the USB service port. Just needed a USB flash drive and downloaded the firmware from the mfg's website. There were easy to follow instructions there too!
The audio or sound IC (integrated Circuit) on the TV panel maybe bad and need to be replaced. Also, the speakers of the TV may have a weak connection from inside the panel. But my best bet is the first solution i gave. If u are not a qualified electronics technician then take it to a service centre. Joseph Asoh, Abuja, Nigeria
Most of the problems with the Philps 42" plasma (other than fuses) can be fixed with a firmware update.
If you have a PC and internet connection you can download the firmware and tranferit to a 1 gig USB memory stick. turn off the TV insert the Memory st, turn on the TV and it automatically recognises the stick will go into upodate mode with on screen instructions for the user.
They have had problems in the past with HDMI and volume, HD pixel problems, all of which got fixed in these updates.
It is very intuitive and if you have the slightest PC savy, anyone can do it.
Check the software and if is not BX23U-22.214.171.124_03531 upgrade it by downloading the software onto a usb stick at www.p4c.phillips.com if that don't fix the issue replace the SSB part number 310432842611
A tech will need to come out. When the tech do come out have him unplug the Y main and see if the led goes solid greem if it does have them replace the Ymain and the Y upper/lower boards. Most likely that will be the problem.