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SD-NX10 (serv.man6). Part 3 - Description of circuit, Block diagrams - Sharp Audio Service Manual (repair manual). Page 8

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SD-NX10H
– 42 –
MD power ON time chart
Power-on sequence for the MD unit (when resetting or starting it 
1
 : no disc)
Power failure recovery interruption input and 3.2V application to the MD unit
(100ms)
1.5ms
30ms
±
2ms
3.2ms
3.2ms
(10ms)
Set the system microcomputer to "H" by this point.
13.6ms
Test mode command transmission period
(Until CMD RCV received)
(System side)
POWER-ON
CN1501      ,
CN1501
17
4
18
DVDD
CN1401      ,
1
2
TRY+/TRY–
BACK UP
CN1501 7
MD-ST
CN1501 6
RESET
CN1501 5
PDOWN
CN1501 8
DSCK
CN1501 19
PCONT0
CN1501 12
DSTB
IC1401 15
MCCK
IC1401 12
RESET
IC1401 80
XRST
TP1800
3.2V
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