HP 1740A - Page 4

Table of Contents Model 1740A
List of Illustrations
TABLE OF CONTENTS (Cont'd)
Section Page Section Page
5-50. Trigger View Balance 8-14. CRT Removal and Replacement. 8-2
Adjustment ................... 5-10 8-15. HV Power Supply Assembly
5-51. Delay Start Adjustment.......... 5-11 Removal and Replacement .... 8-3
5-52. Horizontal Amplifier Gain 8-16. HV Multiplier Assembly
Adjustments ................... 5-11 Removal and Replacement .... 8-3
5-53. X10 Amplifier Balance 8-17. LV Power Supply Assembly
Adjustment .................... 5-11 Removal and Replacement .... 8-3
5-54, Horizontal Linearity 8-18. Gate Amplifier Assembly
Adjustment .................... 5-11 Removal and Replacement .... 8-4
5-55.
Preliminary
Main
Sweep
8-19.
Vertical
Output
Amplifier
Calibration .................... 5-12 Assembly Removal and
5-56.
Delayed
Sweep
Adjustment
......
5-12
Replacement
..................
8-4
5-57.
Main
Sweep
Fine
Adjustment
....
5-12
8-21.
Vertical
Preamplifier
Assembly
5-58
Vertical
Amplifier
Balance
A3,
Delay
Line
Assembly
A4,
Adjustment
....................
5-13
and
Vertical
Control
Switching
5-59.
Position
and
Sync
Balance
Assembly
A13
Removal
and
Adjustment
....................
5-138
Replacement
..................
8-6
5-60.
Input
Capacitance
and
Attenuator
8-25.
Horizontal
Output
Assembly
Compensation
Adjustments
....
5-14
Removal
and
Replacement
....
8-7
5-61.
Vertical
Gain
Adjustment........
5-14
8-26.
Horizontal
Sweep
Assembly
5-62.
Pulse
Response
Adjustment
......
5-14
Removal
and
Replacement....
8-7
5-63.
X-Y
Gain
Adjustment
............
5-15
8-27.
Delayed
Trigger
Assembly
Removal and Replacement .... 8-7
VI REPLACEABLE PARTS ................. 6-1 8-28. Circuit Board Repairs............. 8-7
6-1. Introduction ...............00.000. 6-1 8-30. Board Connections.............. 8-7
6-3. Ordering Information ............. 6-1 8-31. Soldering ....................00. 8-7
8-32. Integrated Circuit
VII MANUAL CHANGES .................... 7-1 Removal and Replacement .... 8-8
8-33. Troubleshooting .................. 8-8
7-1. Introduction ...................... 7-1 8-36. Initial Troubleshooting
7-3. Manual Changes.................. 7-1 Procedure...............000005 8-8
8-37. De Voltages and Waveforms .... 8-8
VUI SCHEMATICS AND 8-38. Trouble Diagnosis .............. - 8-8
TROUBLESHOOTING ................. 8-1 8-39. LV Power Supply ............... 8-9
8-41. HV Power Supply............... 8-9
8-1. Introduction ...................0.. 8-1 8-47. Gate Amplifier.................. 8-9
8-3. Preventive Maintenance .......... 8-1 8-48. Vertical Section................ 8-10
8-4, Cleaning 62. ascii hk ew ses 8-1 8-51. Horizontal Output Amplifier ... 8-10
8-6. Switch Maintenance ............ 8-1 8-52. Time Base ...............000005 8-10
8-12, Removal and Replacement ........ 8-2
LIST OF ILLUSTRATIONS
Figure
Title
Page
Figure
Title
Page
2-1.
Types
of
Power
Source
Receptacles
4-1.
Vertical
and
Horizontal
Block
Diagram
4-3
and
Applicable
Input
Power
Cable
4-2.
LVPS,
HVPS,
and
Gate
Amplifier
Part
Numbers.....................00
2-1
Block
Diagram.......................
4-4
2-2,
Line
Voltage
Selection
4-3.
Gate
Schmitt
Simplified
Block
Diagram
4-7
Switch
Settings
......................
2-1
4-4,
Timing
Relationship
of
the
Gate
3-1.
Controls
and
Connectors...............
3-0
and
Sweep
Waveforms
...............
4-7
3-2.
Probe
Compensation
...................
3-2
4-5.
Gate
Control
Simplified
Block
Diagram
4-8
3-3. Normal Display.....................0.. 3-3
3-4. Magnified Display ..................... 3-3
3-5. Normal Display with Intensified Area.. 3-3 5-1. Bandwidth Test Setup ................. 5-3
3-6. Delayed Sweep Display ................ 3-3 5-2. CMRR Test Setup..................0005 5-3
3-7. Normal! Display with Intensified Area.. 3-4 5-3. External Triggering Test Setup......... 5-4
3-8. Mixed Sweep Display .................. 3-4 5-4, Pulse Response Adjustments .......... 5-15
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