Sharp DV-550U Service Manual page 18

DV-550U
Transition of test mode status
Dinamic Test
System( )
Laser Test ( )
Laser Test
ErrDisplay0 ErrDisplay1
DD000100
Key Wait
(3)
Test0 Key
'1' Key
Memory
Test
Video
Test
Servo Initialize
ErrDisplay0 ErrDisplay1
30000000
Tray Eject
ErrDisplay0 ErrDisplay1
30000001
Open/Close Key
or hand-push Wait
Tray Load
ErrDisplay0 ErrDisplay1
30000002
'1' or '2'or'3'
Key Wait
'1'
SRV Step Test ( )
mode Step execution mode
ErrDisplay0 ErrDisplay1
00000000 DD000200
Refer to the step
'1'
Every input of "1" key, LDON &
thread feed command are issued
to the servo CPU.
Systest( )
(0xF100)
'2' Key '3' Key
Dynamic
Test
ErrDisplay0 ErrDisplay1
3000E000
00000000
(Servo Initial Err)
ErrDisplay0 ErrDisplay1
3000E001
00000000
(Tray Eject Err)
Note: Tray Err is not
retried in the mode.
ErrDisplay0 ErrDisplay1
3000E002
00000000
(Tray Load Err)
'3'
'2'
Continuous replay jump
00000000
test mode.
10-3
SystemMode
=
0xFC00-0xFDFF
Test0 Key
EEEEEEEE
EEEEEEEE
EEEEEEEE
SRV Play Test ( )
test mode
ErrDisplay0 ErrDisplay1
DD000300 00000000
Refer to the jump
test mode.
Wait