Sequence Of Power Supply - Toshiba e-STUDIO2500c Service Manual

17.6 Sequence of Power Supply

ON
700ms or higher 700ms or higher 700ms or higher
AC input
+3.3VA
(Linked with main switch)
+5.1VA
(Linked with main switch)
PWR-DN
+12VA
(Linked with main switch)
PWR-EN
10ms or lower
0 to 150ms
+3.3VB
(Linked with main switch)
150ms or lower
+5.1VB
(Linked with main switch)
200ms or lower
+5.1VD (Linked with cover switch)
+12VB (Linked with main switch)
+24VD1 to 4 (Linked with cover switch)
May 2006 © TOSHIBA TEC
3.2V or higher
200ms or lower
4.95V or higher
10 to 120ms
11.4V or higher
200ms or lower
100ms or lower
0ms or higher 0ms or higher 0ms or higher
4.95V or higher 4.95V or higher 4.95V or higher
Lower limit of each rated voltage or higher Lower limit of each rated voltage or higher Lower limit of each rated voltage or higher
+4.95V (R.V. +5.1V) +4.95V (R.V. +5.1V) +4.95V (R.V. +5.1V)
+11.4V (R.V. +12V) +11.4V (R.V. +12V) +11.4V (R.V. +12V)
+21.6V (R.V. +24V) +21.6V (R.V. +24V) +21.6V (R.V. +24V)
Fig. 17-2
17 - 7
ON
OFF OFF
20 to 30ms 3.2V or higher 3.2V or higher 3.2V or higher
4.95V or higher 4.95V or higher 4.95V or higher
20ms or 10ms or
higher higher 20ms or higher 20ms or higher 20ms or higher
5ms or higher
200ms or lower
11.4V or
higher
0ms or higher 0ms or higher 0ms or higher
3.2V or higher 3.2V or higher 3.2V or higher
e-STUDIO2500c/3500c/3510c POWER SUPPLY UNIT
-200ms 200ms
50ms or higher
5ms or higher
0ms or higher
17