Sequence After Power On - Pioneer DV-575A-S Service Manual

1

7.1.9 SEQUENCE AFTER POWER ON

QQ
Flow chart from power on to the picture output
3 7 63 1515 0
A
Power on operation by a user
(remote controller key or product key)
FL controller receives a message
B
FL lighting / outputs a power on signal
(POWER ON: "L"→"H")
Release the reset for DVD IC
(XRESET: "L"→"H")
Accesses flash ROM
C
Request communication to DVD IC
TE
L 13942296513
Outputs the communicable signal to
FL controller (FP_ACK)
D
DVD IC – FL controller
communication
Accesses 64M SDRAM (part)
The opening picture appears
E
(Pioneer Logo)
www
F
76
1
http://www.xiaoyu163.com
2
STANDBY
[FL controller]
[FL controller]
[DVD IC]
[FL controller]
(FP_XRDY)
[DVD IC]
[DVD IC]
x ao
y
. i
2
http://www.xiaoyu163.com
3
8
(Display of VFD : LOADING)
Disc detection (Focus control)
Read DISC information code
Q Q
3 6 7
u163
DV-575A-S
3
4
2 9 9 4
[DVD IC]
Accesses 64M SDRAM
(Remaining part)
Spindle turn
Disc Identification
The picture appears
1 3 1 5 0 5 8 2 9
m
co
.
4
2 8
9 9
9 4 2 8 9 9