Yamaha CLP-340 Service Manual page 79

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SYSTEM BOOTING FLOWCHART
Power ON
E-IC = L (DM: IC1 D12)
TxD0 = H (DM: IC1 B7)
TxD1 = H (DM: IC1 B6)
0 clear, Setup of Constant
Yes
Installation mode?
No
Port initial setting
MIDI-IC=L(DM: IC1 W8)
Port initial setting
MIDI-IC=H(DM: IC1 W8)
SWP-IC=H(DM: IC1 P1)
Transmit Main Program
Cancel peripheral reset
SWP-IC = L (DM: IC1 P1)
Cancel peripheral reset
LAN-IC = L (DM: IC1 P3)
Initialize
SWP51L(DM: IC300)
Initialize
*
in the Test Program.
Starts accessing to
DM: IC20.
Starts accessing to
DM: IC8.
DM: IC20 is defective if this
mode is entered every time.
Starts accessing to
DM: IC300.
Starts accessing to
Cancel peripheral reset
MIDI-IC = L (DM: IC1 W8)
Starts outputting to
Initialize Starts accessing to
DM: IC500.
If the booting procedure stops here, there is a
possibility that the following parts are damaged:
Yes
Test Program?
No
Yes
MAC Address
Writing Mode?
No
Yes
MAC Address
is not written?
No
Yes
After executing
*
)
No
Yes
Backup Clear
is started?
No
Yes
Song Clear
is started?
No
About three seconds
after turning on power
Depending on whether
headphones are
inserted or not.
Main routine
CLP-340/CLP-340M/CLP-340C
Test Program
Main routine
ID write
routine
End
If this indication appears every time,
the following part is damaged:
If this indication appears every time,
the following part is damaged:
If this indication appears every time,
the following part is damaged:
System Backup
Others
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