General Information
2-6
371B Service Manual
5. Thoroughly inspect the 371B for mechanical and electrical defects that may
have occurred during shipment. If the instrument has been damaged in
shipment, first contact the shipping company and then contact your nearest
Tektronix field representative.
Standard accessories are shipped with your 371B. Open the accessories package
you removed when unpacking the instrument, and verify its contents against the
list of standard accessories on page 6–2. If there are any discrepancies, contact
your nearest Tektronix field representative.
This instrument operates from a single-phase power source having a neutral at or
near ground (earth) potential. It is not intended for operation from two phases of
a multi-phase system, nor across legs of a single-phase, three-wire system. This
instrument can be operated from either a 100 V, 120 V, 200 V, or 240 V nominal
supply source of 48 Hz to 63 Hz. Table 2–1 provides a listing of line voltage
ranges, line frequency range, and power consumption. The line voltage setting of
the instrument is indicated by a screw on the rear panel (shown in Figure 2–2).
Table 2-1: Line voltage ranges
Line Voltage
Fuses
Nominal
Range
Main
Collector
240 V
216 V to 250 V
250 V, 1 A
Slo blo
250 V, 2 A
Slo blo
200 V
180 V to 220 V
Slow blow
Slow blow
120 V
108 V to 132 V
250 V, 2 A
Slo blo
250 V, 4 A,
Slo blo
100 V
90 V to 110 V
Slow blow
Slow blow
Line Frequency
48 Hz to 63 Hz
Maximum Power
400 W, 4.5 A
Checking Standard
Accessories
Line Voltage
Requirements
Summary of Contents for 371B
Page 4: ......
Page 14: ...Service Safety Summary 371B Service Manual...
Page 18: ...Preface 371B Service Manual...
Page 21: ...Specifications...
Page 22: ......
Page 24: ...Product Overview 371B Service Manual...
Page 38: ...Specifications 371B Service Manual...
Page 39: ...General Information...
Page 40: ......
Page 58: ...General Information 371B Service Manual...
Page 59: ...Theory of Operation...
Page 60: ......
Page 62: ...Theory of Operation 3 2 371B Service Manual Figure 3 1 371B Block Diagram...
Page 71: ...Maintenance...
Page 72: ......
Page 101: ...Performance Verification...
Page 102: ......
Page 220: ...Performance Verification 371B Service Manual...
Page 221: ...Options...
Page 222: ......
Page 226: ...Options and Accessories 371B Service Manual...
Page 227: ...Electrical Parts List...
Page 228: ......
Page 235: ...Diagrams...
Page 236: ......
Page 237: ...8 1 371B Service Manual Circuit Board Interconnections 2 2...
Page 238: ...371B Service Manual...
Page 239: ...8 3 371B Service Manual Circuit Board Interconnections 2 2...
Page 240: ...371B Service Manual...
Page 241: ...8 5 371B Service Manual Test Point Adjustment Locations 1...
Page 242: ...8 6 371B Service Manual Test Point Adjustment Locations 2...
Page 243: ...8 7 371B Service Manual Test Point Adjustment Locations 2...
Page 244: ...8 8 371B Service Manual Test Point Adjustment Locations 3...
Page 245: ...8 9 371B Service Manual Troubleshooting Tree...
Page 246: ...8 10 371B Service Manual Troubleshooting Tree Cont...
Page 247: ...8 11 371B Service Manual Troubleshooting Tree Cont...
Page 248: ...371B Service Manual...
Page 249: ...Mechanical Parts List...
Page 250: ......
Page 259: ...9 9 371B Service Manual Figure 9 1 Cabinet Rear 97 96 68...
Page 260: ...371B Service Manual...
Page 261: ...9 11 371B Service Manual Figure 9 2 Display Front 73...
Page 262: ...371B Service Manual...
Page 267: ...9 17 371B Service Manual Figure 9 3 Chassis Ciircuit Board...
Page 268: ...371B Service Manual...
Page 269: ...9 19 371B Service Manual Figure 9 4 Power Supply...
Page 270: ...371B Service Manual...
Page 276: ...Mechanical Parts List 371B Service Manual...
Page 277: ...9 27 371B Service Manual Figure 9 5 Test Fixture 78 78 REV MAR 96 75 72...
Page 278: ...371B Service Manual...
Page 279: ...9 29 371B Service Manual Figure 9 6 Front Porch...
Page 280: ...371B Service Manual...
Page 287: ...371B Service Manual...
Page 288: ...371B Service Manual...
Page 289: ...371B Service Manual 6 5...
Page 290: ...371B Service Manual...