Audio Shelf Systems
Problem for Audio Shelf Systems
Generic problem for all Audio Shelf Systems

Hissing sound




By neelam_k on Apr 04, 2009

" "
I have a Philips MC156 system.
as soon as i switch it on, it makes a lound hissing sound!
Why does this happen, and how can I close it and connect to the tuner etc.
Comments:

Apr 05, 2009

- It has an internal tuner, and the player starts with a hissing sound, without the radio palying at all

Same Problem

Apr 05, 2009

-   I have since discovered that the wire connected to the FM aerial, has a loop at the other end. One end is attached at the back, but where does this loop at the end of the wire go to?
The am arieal is attached to the external AM aerial loop.
thanks
your help would be appreciated. -   Guest

Solution #1

posted on Apr 04, 2009
Somewhat Helpful)

dunnbiker

Rank: Guru  Home Audio  Expert
Rating: 87%, 135 votes
Do you mean audio hissing sound or is there smoke coming out the back?

Audio hiss with the FM tuner selected would mean it's between stations or you don't have an antenna. Try tuning around the band with an antenna.
---

Close what?

Connect what to what tuner? It has an internal tuner.
Comments:

Apr 05, 2009

- What input is selected? All speakers?
Try other inputs. Select AUX (assuming nothing is attached). That would prove the hiss originates internally. We need some isolation to make any sense of this.

Does anything work correctly?
You know what FM hiss sounds like, is it like that?
What about indicators - any clues there?
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