EFC's Used on Various Versions of this Device
The efc's listed below can be used as a starting point for an upgrade. Often more than one EFC will be listed for a function. You'll need to test these to see which one works with your device.
Device: Audio / 1321        Brands
Protocol: Aiwa;
Devices: 110;  , ;   ;   ;    
Pid: 005E ; 
Fixed: 76 00; 
Function EFC
num 0 144
num 1 014
num 2 016
num 3 012
num 4 019
num 5 015
num 6 017
num 7 013
num 8 146
num 9 142
Volume + 159
Volume - 161
Mute 161
CH+ 009
CH- 007
 

RemoteMaster Friendly
List

Copy the data below one column at a time for pasting into Remote Master..
Function EFC
num 0
num 1
num 2
num 3
num 4
num 5
num 6
num 7
num 8
num 9
Volume +
Volume -
Mute
CH+
CH-
144
014
016
012
019
015
017
013
146
142
159
161
161
009
007