Sequence Of Power Supply - Toshiba e-STUDIO2330C Service Handbook

9.7

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 )
20ms or lower
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
700ms or lower
Fig. 9-2
9 - 7
ON
70ms or higher
OFF OFF
50 ~ 140ms
20ms or higher
700ms or lower
50ms or higher
50ms or higher
5ms or higher
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
50ms or higher
50ms or higher
POWER SUPPLY UNIT
9