I've just spent some time going through all of the codes with my 650 LCD. I have all of the following working:

You will notice I can't get the TV to turn on when it's off. Any idea why?



Power Toggle : "$08,$22,$00,$00,$00,$00,$d6" *NOT WORKING WITH TV OFF*
Power On : "$08,$22,$00,$00,$00,$02,$d4" *NOT WORKING WITH TV OFF*
Power Off : "$08,$22,$00,$00,$00,$01,$d5"

Volume Up : "$08,$22,$01,$00,$01,$00,$d4"
Volume Down : "$08,$22,$01,$00,$02,$00,$d3"
Mute Toggle : "$08,$22,$02,$00,$00,$00,$d4"
Speaker On : "$08,$22,$0c,$06,$00,$00,$c4"
Speaker Off : "$08,$22,$0c,$06,$00,$01,$c3"

HDMI 1 : "$08,$22,$0a,$00,$05,$00,$c7"
HDMI 2 : "$08,$22,$02,$00,$00,$00,$d4"
HDMI 3 : "$08,$22,$0a,$00,$05,$02,$c5"
HDMI 4 : "$08,$22,$0a,$00,$05,$03,$c4" *NOT WORKING*
VGA : "$08,$22,$0a,$00,$04,$00,$c8"
Component 1 : "$08,$22,$0a,$00,$03,$00,$c9"
Component 2 : "$08,$22,$0a,$00,$03,$01,$c8"
A\V 1 : "$08,$22,$0a,$00,$01,$00,$cb"
A\V 2 : "$08,$22,$0a,$00,$01,$01,$ca"
S-Video : "$08,$22,$0a,$00,$02,$00,$ca"
TV Tuner : "$08,$22,$0a,$00,$00,$00,$cc"

16x9 Aspect : "$08,$22,$0b,$0a,$01,$00,$c0"
Zoom 1 Aspect : "$08,$22,$0b,$0a,$01,$01,$bf"
Zoom 2 Aspect : "$08,$22,$0b,$0a,$01,$02,$be"
Wide Fit : "$08,$22,$0b,$0a,$01,$03,$bd"
4x3 Aspect : "$08,$22,$0b,$0a,$01,$04,$bc"
Just Scan : "$08,$22,$0b,$0a,$01,$05,$bb"
Wide TV (PC) : "$08,$22,$0b,$0a,$01,$06,$ba"
Wide PC (PC) : "$08,$22,$0b,$0a,$01,$07,$b9"