Question about Philips 36PT71B 36" TV
The sound is going off...intermittent audio..the picture is fine..please help!
Try to solder all componet in the audio section, especially the IC and transistor.
Posted on Dec 28, 2007
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Posted on Jan 02, 2017
Tips for a great answer:
Check whether the audio is muted by accidental press at remote control button. Enter its sound menu, and check it. If muted, as you know there will be no audio output. If not muted, check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.
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First make sure that the sound is not in "mute"
Plug your headset to the earphone
jack (if installed) of the TV.
If you can hear the sound there, the fault may due to
speakers or the earphone jack itself. Faulty internal speaker
may replaced with new sets to back your sound to normal again. If
the earphone jack was faulty, you may spray it first with electrical contact cleaner while inserting and pulling the headset plug into it for one
minute to clean the contact. If nothing happens, this
jack need to replaced with new one.
If you can't hear the sound after inserting your headset, this is
an indication that the audio
circuitry was gone bad. The
most common caused of this trouble was the faulty sound IC(mounted in heatsink).
This is the one converts the audio signal to sound and feed to
your speaker's. I would advice you to look for a qualified technician to check
Hope I helped you.
Have a nice day!
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