Table of Contents
371B Service Manual
iii
List of Figures
Figure 2–1: Basic 371B block diagram
2–4
. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: Location of the LINE VOLTAGE INDICATOR
2–7
. . . . . . .
Figure 2–3: Location of the Rackmount Latch Release
2–11
. . . . . . . . . . . .
Figure 2–4: Rackmount hole spacing
2–12
. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: Rackmounting Length and Clearance
2–12
. . . . . . . . . . . . . . .
Figure 2–6: Rackmounting Hardware
2–13
. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–7: Mounting Stationary Rackmount Sections
2–14
. . . . . . . . . . .
Figure 2–8: Cabinet-to-Rackmount Conversion
2–16
. . . . . . . . . . . . . . . . .
Figure 3–1: 371B Block Diagram
3–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–1: Display quality test pattern
4–10
. . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–1: Diagnostic test pattern display
5–32
. . . . . . . . . . . . . . . . . . . . .
Figure 5–2: Setup for determining voltage measurement accuracy
5–44
. .
Figure 5–3: Setup for determining low voltage measurement
accuracy
5–46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–4: Setup for determining high voltage measurement
accuracy
5–48
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–5: Calibration Fixture setup for checking collector current
measurement accuracy in high voltage mode
5–50
. . . . . . . . . . . . . . . . .
Figure 5–6: Calibrating CURSOR readout for checking accuracy of
collector current measurement
5–52
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–7: Calibration Fixture setup for measuring high collector
current measurement accuracy
5–53
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–8: Calibration Fixture connections for procedure D2
5–58
. . . . .
Figure 5–9: Calibration Fixture connection for adjusting Step
Generator Gain
5–61
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–10: Calibration Fixture connections for adjusting Step
Generator Current Zero and Negative Current Balance
5–63
. . . . . . .
Figure 5–11: Calibration Fixture connections for adjusting Loop
Gain in current source mode
5–66
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–12: Calibration Fixture connections for checking step rates,
pulse form
5–68
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–13: Calibration Fixture connections for checking ripple
pulse noise of voltage source mode
5–70
. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–14: Calibration Fixture connections for checking
Incremental Accuracy
5–72
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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...
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Page 288: ...371B Service Manual...
Page 289: ...371B Service Manual 6 5...
Page 290: ...371B Service Manual...