Sharp MD-E9000H Service Manual page 35

MD power ON time chart
Power-on sequence for the MD unit (when resetting or starting it
(System side)
POWER-ON
17 18
CN1501 ,
DVDD
4
CN1501
BACK UP
CN1501 7
MD-ST
TP1800
3.2 V
IC1401 15
MCCK
CN1501 6
RESET
IC1401 12
RESET
CN1501 5
PDOWN
CN1501 19
PCONT0
CN1401 1 , 2
TRY+/TRY–
IC1401 80
XRST
CN1501 12
DSTB
CN1501 8
DSCK
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Power failure recovery interruption input and 3.2 V application to the MD unit
(100 ms)
1.5 ms
30 ms ± 2 ms
(10 ms)
Set the system microcomputer to "H" by this point.
3.2 ms
3.2 ms
13.6 ms
Test mode command transmission period
– 35 –
1
: no disc)
(Until CMD RCV received)
MD-E9000H