Sequence After Power On - Pioneer DV-373-S Service Manual

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7.1.9 SEQUENCE AFTER POWER ON

Flow chart from power on to the picture output
STANDBY
Power on operation by a user
(remote controller key or product key)
FL controller receives a message
[FL controller]
FL lighting / outputs a power on signal
(POWER ON: "L"→"H")
[FL controller]
Release the reset for DVD IC
(XRESET: "L"→"H")
[DVD IC]
Accesses flash ROM
[DVD IC]
Accesses RF IC
[FL controller]
Request communication to DVD IC
(FP_XRDY)
[DVD IC]
Outputs the communicable signal to
FL controller (FP_ACK)
DVD IC – FL controller
communication
[DVD IC]
Accesses 64M SDRAM (part)
The opening picture appears
(Pioneer Logo)
5
6
DV-373-S
6
7
[DVD IC]
Accesses 64M SDRAM
(Remaining part)
(Display of VFD : LOADING)
Disc detection (Focus control)
Spindle turn
Read DISC information code
Disc Identification
The picture appears
7
8
A
B
C
D
E
F
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