Pioneer


Amplifier

GROUP:  #A55A

Code    Function
----    --------
#38C7   Power
#50AF   Vol +
#D02F   Vol -
#31CE   Dat/Video
#30CF   Phono
#59A6   CD direct
#7A85   Surround

Tape

GROUP:  #659A
Deck a  Deck b

Code    Code    Function
----    ----    --------
#5AA5   #E817   Play
#9A65   #A857   Reverse Play
#DA25   #6897   Stop
#6A95   #8877   Rew
#EA15   #08F7   FF
        #18E7   Pause
        #28D7   Rec

CD

GROUP:  #45BA

Code    Function
----    --------
#E817   Play
#6897   Stop
#8877   Rew
#08F7   FF
#18E7   Pause
#B847   Disc

Codes sampled by Jakob Hussfelt 
The CD is a Pioneer PD-TM1 18-disc changer

#38C7   POWER
#D827   OFF
#7887   DISC1
#F807   DISC2

Tuner

GROUP:  #25DA

Code    Function
----    --------
#08F7   Station +
#8877   Station -

Equalizer

GROUP:  #05FA

Code    Function
----    --------
#BC43   On/Off
#0CF3   Select

Timer

GROUP:  #659A

Code    Function
----    --------
#9867   Sleep
#738C   Wake up
#B34C   Snooze

Additional Info

The pioneer receiver (amp/tuner) uses #A55A0000 and #25DA0000, but not the amplifier group number you had listed in the mail you sent me.
PIONEER
        0       2       8       A
0       (10)    (+10)   (ch>)   -
1       (8)     sleep   -       -
2       (4)     -       -       video select
3       -       cd      power   -
4       (2)     -       mute    -
5       vol>    balance on      -
6       (6)     (A-B)   -       (fr>)
7       vcr2(am) tape   (mono)  -
8       (1)     -       (<ch)   mute on
9       (9)     bal>    -       -
A       (5)     -       -       select
B       vdp(fm) phono   -       -
C       (3)     -       (am/fm) -
D       <vol    <bal    off     -
E       (7)     tuner   -       (<fr)
F       vcr1    -       -       -

where:  values in parentheses are for group #25DA0000
        and other values are for group #A55A0000.
Tom Boldt
che043sa@sail.uwaterloo.ca
(519) 746-5163