Fluke Portable Multimedia Player 8842a Benutzerhandbuch
8842A
Instruction Manual
6-2
6-35.
EXTERNAL TRIGGER POLARITY SELECTION (Option -05 Only) 6-36
6-36.
6-37.
Initial Troubleshooting Procedure...................................................... 6-36
6-38.
Diagnostic Self-Tests ......................................................................... 6-41
6-39.
Self-Test Descriptions........................................................................ 6-42
6-40.
Digital Controller Troubleshooting.................................................... 6-45
6-41.
IN-GUARD MICROCOMPUTER SYSTEM ............................... 6-45
6-48.
DISPLAY SYSTEM...................................................................... 6-48
6-59.
ANALOG CONTROL SIGNALS................................................. 6-51
6-62.
DC Scaling Troubleshooting.............................................................. 6-54
6-63.
Track/Hold Troubleshooting.............................................................. 6-56
6-64.
Ohms Current Source Troubleshooting.............................................. 6-56
6-65.
Precision Voltage Reference Troubleshooting................................... 6-58
6-66.
A/D Converter Troubleshooting......................................................... 6-59
6-67.
Power Supply Troubleshooting.......................................................... 6-61
6-68.
IEEE-488 Interface Troubleshooting (Option -05) ............................ 6-64
6-69.
SERVICE POSITION.................................................................... 6-64
6-70.
DIAGNOSTIC PROGRAM .......................................................... 6-64
6-71.
True RMS AC Troubleshooting (Option -09).................................... 6-66
6-72.
SERVICE POSITION.................................................................... 6-66
6-73.
MAJOR PROBLEMS.................................................................... 6-67
6-74.
MORE OBSCURE PROBLEMS .................................................. 6-69
6-75.
Guard Crossing Troubleshooting ....................................................... 6-70
6-76.
6-77.
Cleaning Printed Circuit Assemblies ................................................. 6-70
6-78.
Cleaning After Soldering ................................................................... 6-71