Toshiba e-STUDIO556 Service Manual page 157

3.19.3 Output Channel
The following are 3 output channels for the main power switch line.
[A] e-e-STUDIO556/656/756/856
1. +3.3 V
+3.3VB: CN406 Pin 1
Output to the LGC board
+3.3VB: CN407 Pin 5
Output to the PLG board
+3.3VB: CN408 Pin 1
Output to the SLG board
2. +5.1 V
+5VS: CN405 Pins 9 and 10
Output to the SYS board
+5VA: CN405 Pins 12 and 13
Output to the SYS board
+5VB: CN405 Pin 20
Output to the SYS board
+5VB: CN406 Pin 2
Output to the LGC board, external LCF (via LGC board),
IPC board (finisher: via LGC board)
+5VB: CN407 Pins 1 and 2
Output to the PLG board
+5VB: CN408 Pins 3 and 4
Output to the SLG board
+5VB: CN409 Pin 1
Output to the finisher
3. +12 V
+12VA: CN405 Pins 15 and 16
Output to the SYS board
+12VB: CN405 Pin 19
Output to the SYS board, FAX unit (via SYS board)
+12VB: CN406 Pin 6
Output to the LGC board
+12VB: CN407 Pin 6
Output to the PLG board
+12VB: CN408 Pin 7
Output to the SLG board
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