Audio Systems: AIWA NSX-D707 does not turn all the way on, aiwa nsx, broken fuse


Question
Hi Kevin,

I have my beloved NSX-D707 mini system for 10 years. It produced beatiful sound with its BBE feature. Starting from probably 1 year ago, I started to notice problem with the selection buttons, such as the band button that I had to press multiple times before it works. Sometimes I had to switch from radio to CD, then back to radio before I could switch radio bands using the band button. I also noticed that sometimes when the machine wass turned off, it was turned off half way. One module (the amp and radio) was able to be off, but the other module (CD and cassette) was still on. I had to turn it back on and off in order to get the whole unit to off.

All those little issues didn't bother me much until yesterday when I was listening to AM radio. It suddenly became very loud, a few seconds later, there was no more sound. When I tried to turn off and on again. The machine only turned 'half way on' on both modules. When it was half way on, all the displays were not lit despite all LEDs were lit. The CD player seemed still responding to eject and play. I could hear the CD reader trying to read the CDs. But there was definitely no audio and no display.

I tried turned on and off, unplug and plug many many times. It made no difference. I could hear the relay working when switching power on and off. I opened the amplifier module up hoping it was just a broken fuse, I didn't notice there was any fuse.

I don't have a service manual so I don't know what else I can check. Do you have any suggestions?  

Answer
Dear Simon,

Dear me. Y'know, allexperts.com gives us experts the option of passing on a question: "Sorry, I simply can't help with that." Which is the answer to your inquiry. But since I'm a sucker for Aiwa mini-systems, I thought you at least deserved the courtesy of a personal reply.

Sorry, when these things give up the ghost, your best strategy is to thank them for years of service and bury them with a 21-gun salute. I have an Aiwa NX330, which is at least 15 years old. I gave it to my daughter about 7-8 years ago--when she became old enough not to put peanut butter toast in the CD tray--, and it's still running, although it's beginning to show signs of age. The CD drawer doesn't always want to open; second cassette well has a mind of its own, and so on. Remarkably, for how cheaply they're built, the old Aiwas seem to last longer than their expected useful life, around five years give or take.

You can take it in to an authorized Aiwa repair service, and see if they can fix it, but I'd fear that the cost of a repair would be much greater than the unit is worth. Then it's a matter of personal taste or emotional commitment.

Good luck. And thanks for choosing allexperts.com!

Kindest regards,

Kevin