Pioneer AVH-P4300DVD hissing on me :(

[Mike Hawk 10+ year member]

I'm not even using RCAs, so I don't think that's that pico issue?

All I have hooked up are the stock speakers to the deck, a steering wheel control module (ASWC), and a USB hard drive.

I did some trouble shooting and if I change my EQ to FLAT, it seems to kill the hiss (unless I REALLY crank it up to like vol 40 on mute/pause, for reference, vol 20 is plenty crazy loud as is for normal listening)

Any ideas?

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[whitedragon551 5,000+ posts]

Could be the ASWC. Try disconnecting things until the hiss goes away.

 

[pickup1 5,000+ posts]

Pico fuse issue is a whine,not a hiss.i havea 4300 and dont have hiss...hmmmmm....dont its the steering wheel adaptor either,i have one on mine too...

 

[Mike Hawk 10+ year member]

I updated the original post, if I change the EQ to flat, the hiss (faint white noise) goes away while I have the source muted/paused. My car (2011 Impreza) has a HU Chassis ground as well as a ground that's wired into the wire harness (I'm using both).

 

[pickup1 5,000+ posts]

Is your high eq bands all the way up,meaning the 2 on the right side?do you know if your car has a factory amp?im running amps,and pretty loud on mine is around 25-30.

 

[Mike Hawk 10+ year member]

Yes, my EQ on CUSTOM1 on the far 2 right treble bands are pretty high. My car does not have a factory built in amp.

 

[pickup1 5,000+ posts]

Yes, my EQ on CUSTOM1 on the far 2 right treble bands are pretty high. My car does not have a factory built in amp.

can you turn them down some or will it not sound good then...

 

[Mike Hawk 10+ year member]

I did, and I think it reduced the hiss a bit.

Of course at driving speed, the hiss is drowned out by road noise. And of course if I turn the stereo on (not mute).

I'm wondering if this hiss will still be present once I go with an aftermarket amp (via RCA), instead of the internal amp. My last pioneer deck didn't have this issue //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif