Commodore 1541 Maintenance Manual page 21

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APPENDIX A
Test Equipment Specifications
This appendix con~ains the recommended specifications for test
equipment used in servicing the VIC-1541.
Digital Multi-Meter
Oscilloscope
Frequency Counter
Timing Strobe
Feeler Gauge
Video Detector
Display-3 1/2 digit
Accuracy-2 per cent full scale
Sensitivity- 100 KOhm/Volt
Ranges
DC Volts-9 to +30 V
AC Volts-0 to 250 Vrms
Ohms-0 ohms to infinity
Resolution
DC Volts-0.01 V
AC Volts-LO V
Ohms-1.0 Ohms
Display-Dual trace
Input impedance-! Mohm,15pF
Vert sens-to 5 V/Div
Input coupling-AC 6 DC
Vert Bandwidth-DC to 30 MHz(50 MHz
preferred)
Time base-lOOnS/Div to lOmS/Div
Trigger sources-CH B
&
Line
Trigger modes-(+) trigger & (-) trigger
Accuracy-2%
Range-39 KHz to 16 MHz
Resolution-10 Hz
See Appendix B
.006 inch thick
See Appendix E
Page A-1