Sequence Of Power Supply - Toshiba e-STUDIO 200L Service Manual

16.6 Sequence of Power Supply

AC input
+3.3VA
( Linked with main switch )
+5.1VA
( Linked with main switch )
PWR-DN
+12VA, -12VA
( Linked with main switch )
PWR-EN
+3.3VB
( Linked with main switch )
+5.1VB
( Linked with main switch )
+5.1VD ( Linked with door switch )
+12VB, -12VB ( Linked with main switch )
+24VB ( Linked with main switch )
+24VD ( Linked with door switch )
June 2004 © TOSHIBA TEC
ON
700ms or lower
0ms to
200ms
3.2V or higher
4.95V or higher
50ms to 120ms
0ms to 20ms
11.4V or higher
200ms or
lower
200ms or
lower
0ms or
higher
0ms to 20ms
Fig.16-2
16 - 7
OFF
3.2V or higher
0ms to
10ms or
200ms
lower
4.95V or higher
20ms or 10ms or 20ms or
higher higher higher
0ms to
200ms
5ms or
higher
11.4V or
higher
0ms or
higher
3.2V or higher
4.95V or higher
Lower limit of each
rated voltage or higher
+4.95V ( R.V. +5.1V )
+11.4V ( R.V. +12V )
-11.4V ( R.V. -12V )
+21.6V ( R.V. +24V )
e-STUDIO200L/202L/230/232/280/282 POWER SUPPLY UNIT
50ms or
higher
5ms or
higher
0ms or
higher
16