Sequence Of Power Supply - Toshiba e-STUDIO6520C Service Handbook

9.6

Sequence of Power Supply

• Power ON, Power failure, Power OFF
ON
AC input
PWR-DN ( 5VA )
700ms or lower
5VS ( MAIN )
SYS-EN ( 5VS )
5VA ( MAIN )
+12VA ( MAIN )
PWR-EN ( 5VS )
5VB/12VB ( MAIN )
RLY-ON ( 5VB )
24VD/5VD ( DOOR )
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20 to 70ms
30 ~ 140ms
20ms or higher
50ms or higher
4.8V or higher
30ms or lower
4.8V or higher
50ms or lower
11.4V or higher
0ms or higher
20ms or lower
700ms or lower
Fig. 9-2
9 - 9
ON
70ms or higher
OFF OFF
50 ~ 140ms
20ms or higher
700ms or lower
50ms or higher
50ms or higher
5ms or higher
50ms or higher
50ms or higher
50ms or higher
e-STUDIO5520C/6520C/6530C
POWER SUPPLY UNIT
9