1-16
430 Series
1.9
Power Supply
The power supply provides five kinds of voltages to the 430 series system board. The power
supply has one microprocessor, operates at 500 KHz, and performs the following functions:
1.
Determines if the AC cable or battery is connected to the computer.
2.
Detects AC output and circuit malfunctions.
3.
Controls the LED icon and speaker.
4.
Turns the battery charging system on and off and detects a fully charged battery.
5.
Determines if the power can be turned on and off.
6.
Provides more accurate detection of a low battery.
7.
Calculates the remaining battery capacity.
The power supply output rating is specified in Table 1-8.
Table 1-8 Power supply output rating
DC
Regulation
Use for
Name
voltage
tolerance
(%)
System logic, FDD, HDD,
VCC
+5
±5
Display
CPU
CPUV
+2.9
±5
Flash ROM, PC card
12V
+12
±5
CPU, RAM, GA
B3V
+3.3
±0.3V
VRAM, GA
B5V
+4.7
±5
Содержание Satellite Pro 430CDS
Страница 1: ...TOSHIBA 430Series PN 430 9400 CASM 2970307 B00 ...
Страница 23: ...430 Series 2 3 Figure 2 1 Troubleshooting flowchart ...
Страница 172: ...430 Series B 1 Appendix B Board Layout B 1 System Board Front View Figure B 1 Board layout front ...
Страница 173: ...B 2 430 Series B 2 System Board Back View Figure B 2 Board layout back ...
Страница 184: ...E 2 430 Series E 3 German GR Keyboard Figure E 3 GR keyboard E 4 French FR Keyboard Figure E 4 FR keyboard ...
Страница 185: ...430 Series E 3 E 5 Spanish SP Keyboard Figure E 5 SP keyboard E 6 Italian IT Keyboard Figure E 6 IT keyboard ...
Страница 186: ...E 4 430 Series E 7 Scandinavian SC Keyboard Figure E 7 SC keyboard E 8 Swiss German SL Keyboard Figure E 8 SL keyboard ...