Only on the same models
I have been told by comparing the rear terminal pins (faceplate rear) on a couple of the Aiwa faceplates that at least some are IDENTICAL in that regard and probably are interchangeable on their assigned decks.
There are many different brands of car stereos. Some of the more popular brands include: Pioneer, Boss, JVC, Kenwood, Alpine, Sony, Fusion and Clarion.
Some of the best (and expensive) manufacturers of compact stereos in the year 2013 are: Sony, Panasonic, Philips, Onkyo, GPX, Yamaha, Pioneer and Coby.
There are many websites that offer archived manuals for stereos, including Sony. Here is an example of one site: http://www.usersmanualguide.com/sony/car_audio which has many CDX models available.
There are numerous brands that produce DVD car stereos. Some large names include Alpine, Bose, Clarion, JVC, Peerless, Pioneer, Sony, Sanyo, and Soundstream.
Some of the most highly rated car stereos available are the Sony MEX-GS600BT, Apline CDE-141, Pioneer AVIC Z130BT, and Parrot Asteroid Smart Navigation System.
On most stereos that I have dealt with, there are 2 power wires, red and yellow. The yellow is the constant/memory wire. Hope this helps.
The picture quality on the sony dslr camera is top rated. With interchangeable lenses and several accessories available, you can choose the best equipment to handle any given conditions.
Most laptop chargers are interchangeable as is the charger for the Sony Vaio. Providing the adapter has the same input cable cord, one should have no problems using a Vaio laptop charger on a different laptop.
Micro Stereos are sold by many electrical retailers. They can be bought direct from companies like Sony, Samsung etc or can be purchased new and used on sites like Amazon.
Button broken? Original Delco stereos notorious for unreliability. I put a Sony system in my Intrigue when the Delco cassette player crapped out a few years ago.
The digital compact disc, now commonplace in stereos and computers, was invented in Oct. 1982 by James T. Russell. The CD format was created by Sony and Philips.