PSR-S710/PSR-S910
72
SYSTEM BOOTING FLOWCHART
*
“After executing Factory Set” refers to the condition when the power is turned on after executing “Factory Set”
in the Test Program.
Power ON
Peripheral ICs Reset
/SWP-IC = L (IC11 10 pin)
Initialize keyboard (E-BUS)
Send a message to
SWP51 (IC304)
Keyboard input is not
accepted yet
Set CPU
Port Register
Port initial setting
/DACIC = L (IC7 6 pin)
/MUTE = L (IC7 4 pin)
/SPOFF = L (IC7 2 pin)
Initialize Enhancing port
/SWP-IC = L (IC11 10 pin)
/LAN-IC = L (IC11 15 pin)
Transmit Main Program and
Voice Parameter to SDRAM
Initialize BOOT SDRAM
/SWP-IC = H (IC11 10 pin)
Initialize E-BUS driver
(EBUS Start)
Send a message to
SWP51 (IC304)
Opening screen
will appear
Please insert the
Installer media.
INSTRUMENT ID
WRITE MODE
MAC ADDRESS
ERROR
Proceed the Test Program.
Program error!
Please install the
pogram
If the booting procedure stops here,
there is a possibility that the following
parts are defective.
• CPU (IC3)
• SDRAM (IC2, IC6)
• SWP51 (IC304)
If the booting procedure stops here,
there is a possibility that the following
parts are defective.
• SDRAM (IC2, IC6)
• Backup Flash ROM (IC20)
Transmitting to the SDRAM
(IC2, IC6)
Is Main Program
defective?
No
Yes
No
Yes
No
Yes
Installation
failure, etc.
Initialize MAIN SDRAM
Release peripheral reset
/DACIC = H (IC7 6 pin)
/SWP-IC = H (IC11 10 pin)
/LAN-IC = H (IC11 15 pin)
Yes
No
MAC Address
Writing Mode?
Installation mode?
No
Yes
Test Program Mode?
Force Format Mode
No
Yes
Factory Set executed?
*
MAC Address
is not written?
After turning on the power:
L
g
L (*invisible)
After exiting the test program:
H
g
L
Upgrade Routine
END
Exchange the DML circuit board
Exchange the DML circuit board
MAC Address
writing error.
Test Program Routine
After exiting the test program,
return to start.
• PSR-S710
Содержание PSR-S710
Страница 41: ...41 PSR S710 PSR S910 AM Circuit Board Pattern side Scale 85 100 AM 2NA WQ86250 ...
Страница 43: ...43 PSR S710 PSR S910 Pattern side DML Circuit Board PSR S710 DML 2NA WQ78560 ...
Страница 45: ...45 PSR S710 PSR S910 DMH Circuit Board PSR S910 Pattern side DMH 2NA WQ26320 Scale 90 100 ...