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35670A
Service Guide
Agilent Technologies 35670A - Service Guide Manual
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Agilent
35670A
Service
Guide
Agilent
Part
Number
35670-90066
Printed
in
Malaysia
Print
Date:
March
2001
Copyright
©
Agilent
Technologies,
Inc.,
1992-1995,2000,
2001.
All
rights
reserved.
8600
Soper
Hill
Road
Everett,
Washington
98205-1209
U.S.A.
2
Table of Contents
Main Page
Default Chapter
11
Table of Contents
11
1 Specifications Frequency
21
Single Channel Amplitude
22
FFT Dynamic Range
23
Input Noise
24
Window Parameters
24
Single Channel Phase
24
Cross Channel Amplitude
25
Cross Channel Phase
25
Input
26
Time Domain
27
Trigger
27
Tachometer
28
Source Output
29
Digital Interfaces
30
General Specifications
31
Order Tracking - Option 1D0
32
Swept Sine Measurements -Option 1D2
33
Arbitrary Waveform Source-Option 1D4
33
Real Time Octave Analysis - Option 1D1
34
Recommended Test Equipment
35
2 Preparing the Analyzer for Use
39
To Do the Incoming Inspection
43
To Install the Analyzer
45
To Connect the Analyzer to a DC Power Source
46
To Change the Fuses
48
To Connect the Analyzer to a Serial Device
49
To Connect the Analyzer to a Parallel Device
49
To Connect the Analyzer to an GPIB Device
50
To Connect the Analyzer to an External Monitor
51
To Connect the Optional Keyboard
52
To Connect the Microphone Adapter
54
To Clean the Screen
55
To Store the Analyzer
55
To Transport the Analyzer
56
If the Analyzer will Not Power up
57
If the Analyzer Operates Intermittently on DC Power
58
3 Verifying Specifications
59
To Load the Program
65
To Run the Program in Semiautomated Mode
66
To Run the Program Without a Printer
68
To Run the Program in Manual Mode
70
To Set up the Self Test
71
To Set up the DC Offset Test
72
To Set up the Noise Test
73
To Set up the Spurious Signals Test
74
To Set up the Amplitude Accuracy Test
75
To Set up the Flatness Test
76
To Set up the Amplitude Linearity Test
77
To Set up the A-Weight Filter Test
78
To Set up the Channel Match Test
79
To Set up the Frequency Accuracy Test
80
To Set up the Anti-Alias Filter Test
81
To Set up the Input Coupling Test
82
To Set up the Harmonic Distortion Test
83
To Set up the Intermodulation Distortion Test
86
To Set up the Cross Talk Test
88
To Set up the Single Channel Phase Accuracy Test
92
To Set up the External Trigger Test
93
To Set up the Tach Function Test
95
To Set up the Input Resistance Test
97
To Set up the ICP Supply Test
99
To Set up the Source Amplitude Accuracy Test
103
To Set up the Source Output Resistance Test
104
To Set up the Source DC Offset Test
106
To Set up the Source Flatness Test
107
To Set up the Source Distortion Test
108
Measurement Uncertainty
114
Performance Test Record - Two Channel 1 of
117
Performance Test Record - Four Channel 1 of
131
Operation Verification Test Record - Two Channel 1 of
151
Operation Verification Test Record - Four Channel 1 of
161
4 Troubleshooting the Analyzer
180
How to Troubleshoot the Analyzer
180
To Perform Initial Verification
181
To Troubleshoot the Power Supply
187
To Troubleshoot Power-Up Failures
191
To Troubleshoot CPU, Memory, and Buses Failures
194
To Troubleshoot Display Failures
198
To Troubleshoot IIC Bus Failures
201
To Troubleshoot Fast Bus Failures
205
To Perform Self Tests
207
To Troubleshoot Self-Test Lockup Failures
213
To Troubleshoot Intermittent Failures
216
To Troubleshoot Performance Test Failures
218
To Troubleshoot Source and Calibrator Failures
221
To Troubleshoot Input and ADC Failures
227
To Troubleshoot Input Failures on Four Channel Analyzers
230
To Troubleshoot Distortion Failures
232
To Troubleshoot Disk Drive Failures
233
To Troubleshoot Auto-Range Failures
235
To Troubleshoot DIN Connector Failures
237
To Troubleshoot Trigger Failures
238
To Troubleshoot Memory Battery Failures
243
To Troubleshoot Microphone Power and Adapter Failures
245
To Troubleshoot Tachometer Failures
246
5 Adjusting the Analyzer
253
To Adjust the Frequency Reference
253
To Adjust the Source
254
To Adjust the ADC Gain, Offset and Reference
255
To Adjust the Input DC Offset
258
To Adjust Common Mode Rejection
261
To Adjust Filter Flatness
265
To Adjust the Display Voltage
269
6 Replacing Assemblies
273
What to Do before Replacing the CPU Assembly
273
What to Do after Replacing an Assembly
274
To Remove Cover
276
To Remove Rear Panel
277
To Remove Front Panel
278
To Remove Disk Drive
280
To Remove CPU
281
To Remove NVRAM
282
To Remove Memory
283
To Remove Power Supply
284
To Remove Motherboard
286
To Remove DC-DC Converter
288
7 Replaceable Parts
290
Ordering Information
290
Assemblies
292
Cables
294
Instrument Covers and Handles
295
Assembly Covers and Brackets
296
Front Panel Parts
297
Rear Panel Parts
298
Chassis Parts
299
Screws, Washers, and Nuts
300
Option UK4 Parts
301
8 Circuit Descriptions
304
Overall Instrument Description
304
A1 Input
308
A2 Input
314
A5 Analog
320
A6 Digital
324
A8 Memory
332
A9 Nvram
334
A10 Rear Panel
335
A11 Keyboard Controller
337
A13 Primary Keypad
339
A98 Power Supply
340
A99 Motherboard
341
Option UK4 Microphone Adapter and Power Supply
342
9 Voltages and Signals
347
Assembly Locations and Connections
347
Power Supply Voltage Distribution
350
A1 Input
351
A8 Memory
352
A9 Nvram
356
A10 Rear Panel
358
A11 Keyboard Controller
362
A13 Primary Keypad
365
A14 Secondary Keypad
367
A99 Motherboard
369
A100 Disk Drive
378
A101 Display
380
A102 DC-DC Converter
381
Power-On Test Description
384
Calibration Routine Description
387
Fault Log Messages
391
Self-Test Descriptions
392
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