Pioneer DV-353-K Service Manual - Page 70

SEQUENCE AFTER THE POWER ON, Flow chart from power on to the picture output

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7.1.5 SEQUENCE AFTER THE 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 outputs FL lighting / a power on signal (POWER ON: "L"→"H") FL controller resets it for BACK END and removes it (XRESET: "L"→"H") BACK END accesses flash ROM and 64M SDRAM BACK END accesses FRONT END BACK END demands communication from a FL controller (FP_ACK) FL controller outputs the signal which can communicate in BACK END (FP_XRDY) BACK END - FL controller communication The opening picture output FRONT END identifies the following: • Slider positioning (INSIDE SW) • Spindle FG standstill Disc detection (Focus control) Spindle turn 70 DV-353-K ID information code is caught Various setting The picture output

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70
DV-353-K
7.1.5 SEQUENCE AFTER THE POWER ON
STANDBY
Power on operation by a user
(remote controller key or product key)
FL controller receives a message
FL controller outputs FL lighting / a
power on signal
(POWER ON: "L"
→
"H")
FL controller resets it for BACK END
and removes it
(XRESET: "L"
→
"H")
BACK END accesses flash ROM and
64M SDRAM
BACK END accesses FRONT END
BACK END demands communication
from a FL controller
(FP_ACK)
FL controller outputs the signal which
can communicate in BACK END
(FP_XRDY)
BACK END
–
FL controller
communication
The opening picture output
FRONT END identifies the following:
•
Slider positioning (INSIDE SW)
•
Spindle FG standstill
Disc detection (Focus control)
Spindle turn
ID information code is caught
Various setting
The picture output
Flow chart from power on to the picture output