Manual

2
page
TEST INSTRUMENT SAFETY..................... inside front cover
FEATURES................................................................................3
SPECIFICATIONS ....................................................................4
CONTROLS AND INDICATORS ............................................6
OPERATING INSTRUCTIONS..............................................12
Precautions ...............................................................................13
Troubleshooting: Using the AC Power Supply as an
Isolation Transformer ....................................................... 16
Troubleshooting: Using the AC Power Supply as a
Variable AC Voltage Source. ...................................... ….21
Troubleshooting: Using the AC Power Supply to
Measure Electrical Loads..................................................23
Using the Model 1655A as a Leakage Tester ...........................25
Soldering Iron Temperature Control.........................................27
page
CIRCUIT DESCRIPTION..........................................................29
MAINTENANCE AND CALIBRATION..................................30
Preventive Maintenance...............................................................30
Returning for Service...................................................................30
Fuse Replacement........................................................................30
Auto-Transformer Brush Replacement........................................31
Calibration Adjustments..............................................................31
Performance Tests........................................................................34
Troubleshooting...........................................................................35
CUSTOMER SUPPORT.............................................................37
WARRANTY INFORMATION.................................................38
Warranty Service Instructions......................................................38
Spanish Manual............................................................................39
TABLE OF CONTENTS