33
BDP-09FD
5
6
7
8
5
6
7
8
A
B
C
D
E
F
5.3 RESET ON SEQUENCE
[On start-up]
Receiving Power O
N
key, sub-microcomputer turns Power_O
N
signal to ”H”.
Receiving Power O
N
signal, power turns each SW power to ”O
N
”.
1.1
V
turns O
N
.
Sub-microcomputer is (after 400 ms) to Reset_SKY#, Reset 2#, Reset 3# ”L” turn to ”H”.
Power_O
N
1.1
V
Reset_SKY#,2#,3#
[At normal end]
Sub-microcomputer detects the pushing of Power key, then notifies PowerOFF to R
8
A34019BG by I C.
Receiving PowerOFF notification, R
8
A34019BG conducts end processing.
R
8
A34019BG instructs PowerOFF to sub-microcomputer by I C.
Sub-microcomputer turns Reset_SKY#, Reset 2#,Reset 3#,to ”L”, and after 1 sec, PowerO
N
signal to ”L”.
After 50msec, power turns each SW power to OFF.
Reset_SKY#,2#,3#
Power_O
N
[Power abnormality]
*Reset operation in the case of 1.1
V
drop.
Determine if ResetG becomes ”L”, then turn Reset# - Reset3# to “L”.
[At abnormal end]
ACOFF
By turning
V
+1R1D to OFF, ResetG# turns to ”L” by ResetIC.
Power_O
N
V
+1R1D
Reset
(IC4201 OUT)
Reset_SKY#,
Reset 2#,
Reset 3#
PO
N
key
400 ms
1 sec
2
2
