Power Supply Table - Toshiba DP120F Service Manual

1.4 Power Supply Table

Symbol Voltage
(V)
24VSW +24 24V power supply
+18V +18 18V power supply
+12V +12 +12V power supply
R12V +12 Regulator 12V
-12V -12 -12V power supply
-R12V -12 Regulator -12V
5VPS +5 5V power supply
+5V +5 5V power supply for
logic
R5V +5 Regulator 5V
5VA +5 Analog 5V
5VB1 +5 5V buck up
5VB +5 Bin 5V
5VLSU +5 5V for LSU
-R5V -5 Regulator -5V
3.3V +3.3 3.3V power supply for
logic
3.3VB +3.3 3.3V buck up
SG 0 Signal ground
AG 0 Analog ground
PG 0 Power ground
24VSW
+18V 5VLSU
DP120F/DP125F Circuit Description
Description
power save
+5V
R5V 5VA
Super Power
OFF
mode
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
ON OFF
OFF OFF
OFF OFF
OFF OFF
ON ON
OFF OFF
OFF OFF
OFF OFF
OFF OFF
ON ON
--- ---
--- ---
--- ---
5VB 3.3V
7-10
Generate Generation
for of
power supply power
--- LVPS
24VSW Main PBA
--- LVPS
+12V Main PBA
--- LVPS
-12V Main PBA
--- LVPS
--- LVPS
+5V Main PBA
+5V Main PBA
Battery Main PBA
(SY1)
+5V Optional tray
PBA
24VSW Main PBA
-R12V Main PBA
+5V Main PBA
Battery Main PBA
--- LVPS
--- LVPS
--- LVPS
+12V -12V
R12V -R12V
-R5V
March 2000 © TOSHIBA TEC