HP 8112A, Operating, Programming And Servicing Manual

Page: 15 / 406

E l l .
E12 .
E13 .
E14 .
Output Amplifier Tests
E21 . . . . . . .
E22 . . . . . . .
Overall Tests, Static
E31 .
E32 .
E33 .
E34 .
Overall Tests, Dynamic
E35 .
E36 .
E37 .
E38 .
E39 .
Amplitude Tests
E41 . . . . .
Shaper Output State Test
E42 . . .
Burst Tests
E51 .
E52 . . .
10.2.
Servicing the Power Supply
Theory of Operation . . . . . .
Introduction . . . . . . . . . . . .
Line Voltage Selector and Transformer
Bridge Rectifiers and Regulators . .
Voltage and Current Sensing Circuits
+5.1 V supply
+5 V supply . . . .
-5.4 V supply
Power-down Detection
Troubleshooting the Power Supply
Removing the fan
Re-fitting the fan . . . . . . .
10.3.
Servicing the Timing and Slope Generators
Theory of Operation
Introduction . .
Trigger Input
Trigger mode
Address Decoder
Mode and Range Decoders
Control Input Circuits
Timing IC . . . . .
Timing Generation
RATE Mode . . .
10.1-5
10. 1-5
10.1-5
10.1-5
10.1-7
10.1-7
10.1-7
10. 1-7
10. 1-7
10. 1-7
10.1-7
10.1-7
10.1-7
10.1-7
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.1-9
10.2-1
10.2-1
10.2- 1
10.2- 1
10.2-2
10.2-2
10.2-2
10.2-2
10.2-3
10.2-9
10.2-9
10.2-9
10.3-1
10.3- 1
10.3-1
10.3-1
10.3-2
10.3-2
10.3-2
10.3-2
10.3-3
10.3-4
Contents-9