Secondary Interface Troubleshooting | 41 |
Voltage and Current DAC | 41 |
Readback DAC Circuits | 43 |
Readback Multiplexer (U20): | 43 |
Signature Analysis | 45 |
Primary SA | 45 |
Front Panel SA | 45 |
Secondary SA | 46 |
Power Section Troubleshooting | 51 |
Main Troubleshooting Setup | 52 |
Troubleshooting | 53 |
Power Section Blocks | 54 |
Troubleshooting | 57 |
Troubleshooting | 57 |
Troubleshooting Bias Supplies | 58 |
Troubleshooting Down Programmer | 61 |
Troubleshooting CV Circuit | 61 |
Troubleshooting CC Circuit | 62 |
Troubleshooting OVP Circuit | 62 |
Troubleshooting PWM & Clock | 63 |
Principles of Operation | 65 |
Introduction | 65 |
GPIB Board | 65 |
Primary Microprocessor | 65 |
Address Switches | 65 |
EEPROM | 67 |
Isolation | 67 |
Secondary Microprocessor | 67 |
67 | |
Analog Multiplexer | 67 |
Status Inputs | 67 |
Front Panel Board | 68 |
Address Latches and Decoders | 68 |
Volts and Amps Output Ports and Displays | 68 |
RPG and Latches | 68 |
68 | |
Mode Indicators | 70 |
OVP Adjust Control | 70 |
Power Clear | 70 |
Power Mesh and Control Board | 70 |
Overview | 70 |
Power Mesh | 71 |
Control Board | 73 |
Replaceable Parts | 79 |
Introduction | 79 |
Ordering Information | 80 |
Component Location and Circuit Diagrams | 101 |
6