100
Chapter 5 Block Diagram
Power Supplies
5
Power Supplies
The line input voltage is filtered and applied to the main power supply.
The main power supply provides all power to the instrument. Secondary
power supplies are contained on the main circuit board. The secondary
power supplies include both isolated and earth-referenced supplies.
110-240 Vac
Line
Filter
Main Supply
Power
Switch
K1201
Earth
Referenced
Power
Supplies
Isolated
Power
Supplies
+3.3V_ER
+1.8V_ER
+15V
–15V
+5V
–5V
+3.3V_ISO
+12V
PWR_ON
+1.8V_ISO
FAN
Display Backlight
CCFL_ON
A1 Power Supplies
Front Panel
Содержание 33210A
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Страница 13: ...1 1 Specifications ...
Страница 19: ...2 2 Quick Start ...
Страница 37: ...3 3 Front Panel Menu Operation ...
Страница 52: ...50 3 ...
Страница 53: ...4 4 Calibration Procedures ...
Страница 96: ...94 Chapter 4 Calibration Procedures Calibration Errors 4 ...
Страница 97: ...5 5 Block Diagram ...
Страница 101: ...99 Chapter 5 Block Diagram Block Diagram 4 5 ...
Страница 103: ...6 6 Disassembly and Repair ...
Страница 128: ...126 Chapter 6 Disassembly and Repair Replaceable Parts 6 ...
Страница 129: ...7 7 Backdating ...