Using a chart at [Link: xi6.com] as a starting point, I found the following discrete ("advanced") codes for the 60PP9601 (and hence the 55PP9701 and 60PP9701) using a $27 Cinema 7 remote.

Philips Digital TV (TV 054)

001 PIP channel up
002 Format toggle: ZOOM 1, ZOOM 2, THEATER 1, THEATER 2, ANAMORPHIC, 4x3
012 Status/exit
013 7
016 PIP position
018 Power on, see also 044 and 082
019 PIP swap
030 PIP source
040 Guide+ toggle: on/off
042 Guide+ record (Green button)
044 Power toggle: on/off, see also 018 and 082
045 4
046 Up
048 Left
064 Guide+ watch (blue button)
072 Guide+ info
076 Mute
077 5
078 Down
082 Power off, see also 018 and 044
108 100+ (for 3 digit channels)
109 2
110 Auto menu (Sound menu for HD inputs)
113 Previous channel
114 PIP toggle: on/off
141 3
142 Auto menu (does not work on HD inputs), see also 110
144 Right
146 Menu (arrow keys and ch+/-, does not work for HD inputs), see also 240
172 8
173 0
175 Volume up
177 Channel up
178 AV input select menu
186 AV input select menu, only if done twice in a row?!
187 AV input select menu, only if done twice in a row?!
204 9
205 1
207 Volume down
209 Channel down
210 Factory preset (does not work on HD inputs)
237 6
240 Menu/select (arrow keys only), remote uses this one, see also 146
241 Sleep
243 PIP Freeze

These codes cover all the buttons on the remote that came with the TV, and a tiny bit more.

-Abdul