[Bada Software and Hacking General] adfree:
4657 319.674 P00.T10.D000.G18.E046:227A BOOTMGR > _BmSetPowerOffState: Set power off status......
4658 319.674 P00.T10.D000.G18.E046:227A BOOTMGR >
4659 319.674 P00.T10.D000.G18.E046:227A BOOTMGR > BmShutdown: Starting shutdown...
4660 319.674 P00.T10.D000.G18.E046:227A BOOTMGR > _BmSetPowerOffState: Set power off status......
4661 319.876 P00.T05.D001.G-1.E-01:0000 [COLOR="Red"][B]BOOTMGR[/B][/COLOR] > [B]Power Off Animation Starts[/B]...
4662 319.882 P00.T05.D001.G-1.E-01:0000 BOOTMGR > PlayAnimation : gSoundType(512)
4663 319.882 P00.T05.D001.G-1.E-01:0000 BOOTMGR > __CheckThemeImage : Playing default image
4664 319.882 P00.T05.D001.G-1.E-01:0000 BOOTMGR > __CheckThemeSound : Playing default Sound
4665 319.885 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] : Power On/Off Sound Plays... gSoundType[512], bPlayThemeSound[0], sndSize[529244]
4666 319.885 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] : Fix me
4667 319.888 P00.T10.D001.G00.E039:227C BOOTMGR > BootNotify: Start checking system state.
4668 319.889 P00.T36.D001.G60.E112:0000 EXCEPTION > [IpcServerTask] Power Off State = (ON), pIpcMsg->hCallerProcess = (25).
4669 319.889 P00.T36.D001.G60.E112:0000 EXCEPTION > [IPCMGR] IPC Message should be transferred, taskname = (WinServerTask_Ipc).
4670 319.891 P00.T10.D001.G03.E004:227E EXCEPTION > GWESWinsetNotify:ws_notify_shutdown - terminating GWES .
1626 0319.929 DrvSndSetVolume : AppID= [1], SndType=[11], OutType=[1], Volume=[0]
1627 0319.930 WM8994SetAOutVolume : 100 step volume=[0], codec volume=[0x0] type=[3]
4671 319.930 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : sndBufferAddr(1339696832), sndSize(0x8135c), sndType(128)
1628 0319.930 DrvSndSetDevPath : Already Set Up!!!
4672 319.993 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : mbCreateAndLoadPlayerFromMemory success!!
4673 319.998 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : __OemAvPlayBeatnikSound : duration[3000]
4674 320.011 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : converted volume = [0]

This is Power OFF... nothing found yet... only an small part much more logged.

I'll try to look into Power ON.

Best Regards

Edit 1.

Power ON Log:

0455 670.770 P00.T05.D001.G-1.E-01:0000 [COLOR="Red"][B]BOOTMGR[/B][/COLOR] > [B]Power On Animation Starts[/B]...
0456 670.770 P00.T11.D001.G-1.E-01:0000 EXCEPTION > [CPLog]: Sub 0013 677.975 -1: BOOTMGR > _BmPacketReceiveCallback: Boot command is [0xb]
0457 670.774 P00.T05.D001.G-1.E-01:0000 [COLOR="Red"][B]BOOTMGR[/B][/COLOR] > [B]PlayAnimation[/B] : gSoundType(512)
0458 670.774 P00.T05.D001.G-1.E-01:0000 BOOTMGR > __CheckThemeImage : Playing default image
0459 670.774 P00.T05.D001.G-1.E-01:0000 BOOTMGR > __CheckThemeSound : Playing default Sound
0460 670.776 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] : Power On/Off Sound Plays... gSoundType[512], bPlayThemeSound[0], sndSize[529244]
0461 670.776 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] : Fix me
2456 0670.777 [DVFS] ARMCLK: 400000 KHz, MSYSHCLK 200000 KHz,MSYSPCLK: 100000 KHz, DSYSHCLK: 166750 KHz, DSYSPCLK: 83375 KHz, PSYSHCLK: 133400 KHz, PSYSPCLK: 66700 KHz
2457 0670.777 [DVFS]	---> Level(2) Up V_ARM(12) V_INT(14)
2458 0670.821 DrvSndSetVolume : AppID= [1], SndType=[11], OutType=[1], Volume=[0]
2459 0670.822 WM8994SetAOutVolume : 100 step volume=[0], codec volume=[0x0] type=[3]
0462 670.822 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : sndBufferAddr(1339696832), sndSize(0x8135c), sndType(128)
2460 0670.822 DrvSndSetDevPath : SndType=[11], InType=[0], OutType=[1]
2461 0670.822 DrvSndSetDevPath : Mute!!
2462 0670.822 DrvSndSetMute : SndType=[11], OutType=[1], Mute=[1]
2463 0670.822 DrvSndMicBiasEnable[0] : !!
2464 0670.822 DrvAudioTune : TYPE = [1], onOff=[0]
2465 0670.822 DrvAudioTune : TYPE = [2], onOff=[0]
2466 0670.822 DrvAudioTune : TYPE = [3], onOff=[0]
0463 670.842 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : mbCreateAndLoadPlayerFromMemory success!!
0464 670.844 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : __OemAvPlayBeatnikSound : duration[3000]
0465 670.849 P00.T05.D001.G-1.E-01:0000 EXCEPTION > [PWONSND] PlaySoundBeatnik : converted volume = [0]

With QXDM I can see for Power OFF:

EVENT EVENT_CM_OPERATIONAL_MODE 05:10:21.942 Power Off
EVENT EVENT_POWER_DOWN 05:10:21.943 Length: 0013

I can't see hints...

Will try to research deeper...