Re: Aiwa MX-Z3300M receiver repair, no display, capacitors in series

Hey guys sorry to jump on the thread I have the MX-Z9400m, the display has suddenly stopped. I have noticed when powering on the amp the red LED on the volume control flashes 4/5 times I persume giving a fault code?

Would this issue be as described in the thread?...

Re: Aiwa mx-z9400m sound issue

Hi All

Managed to hold of the service manual and replaced the STK-419-120 as this goes to the speakers and headphones, unfortunately it hasn't made any difference at all.
Symptoms still persist on the right channel (cracking/popping and lower volume than the left channel)

So just looking at any other possible causes?

Re: Aiwa mx-z9400m sound issue

Thanks the info, is there a way to test the existing one? Or just get a new one and see if it fixes it.

Here is a photo of the board for info, which IC would it be?...

Hi all

I have recently acquired an Aiwa mx-z9400m system, there is a sound issue that affects the right channel only (both speakers and headphones)
The issue is present no matter what input is selected.

The sound is similar to say a bag being scrunched up and the occasional popping sound to.

I have had a visual inspection of the board and there is nothing glaringly obvious all the caps look OK with no obvious leaking or swelling etc.

Hoping someone may be able to point me in the direction of what maybe the cause of this.

T...

Re: New Members - please post your introductions here

Hi all

Just joined this site, I have picked at an Aiwa mx-z9400m system that needs some attention, hopefully you can all help me

I live in the UK