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: Video / 0398        Brands
Protocol: Aiwa;
Devices: 258;  , ;   ;   ;    
Pid: 005E ; 
Fixed: 40 80; 
Function EFC
Volume + 145
Volume - 141
Mute 077
Power 206
Play 172
Stop 174
Pause 175
Record 177
 

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List
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Function EFC
Volume +
Volume -
Mute
Power
Play
Stop
Pause
Record
 145
141
077
206
172
174
175
177