Pioneer SVM-1000 Service Manual page 26

1
AV mixer submicrocomputer
A
Canceling of resetting of
the submicrocomputer
Interrupt mask
Setting of microcomputer
operations
Port setting
B
Timer setting
Flashing OK?
Yes
The LEDs for TAP and
EFFECT ON/OFF light.
Does the LCD start
normally?
Yes
C
The LCD starts up.
Does the system start
normally?
Yes
The LEDs for TAP and
EFFECT ON/OFF go dark.
Setting of AD
converter
D
Setting of serial
communications
Initialization of
global works
Canceling of
interrupt mask
Initialization of the LEDs and
keys, start of the main timer
E
Main process
F
26
1
2
No
Error processing
*4
*1 LCD's startup is OK with Pin 29 set to H.
No
(Signal name: SUB_CPU_BUSY)
*1
*2 Set Pin 41 to H. (Signal name: LCD_SW)
*3 Startup of the system is OK with Pin 29 set to L.
(Signal name: SUB_CPU_BUSY)
*2
*4 Waiting for the command for start of downloading from the main microcomputer
(During waiting, the FADER START CH1 to CH4 LEDs cyclically light then go
dark.)
No
*3
2
3
SVM-1000
3
4
4