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Model
3455A
Table
of Contents
TABLE OF
CONTENTS
(Cont'd)
SERVICE
GROUP
C
8-C-l.
AC
Convertor Troubleshooting
8-59
8-C-2.
True
RMS
Convertor
Servicing
(Schematic
3)
8-59
8-C-4.
Preamplifier
and
Input Alternator
Circuitry
8-60
8-C-6.
Absolute Amplifier
Circuitry
8-61
8-C-8.
Squaring
Amplifier,
Intergrator,
and
Antilog
Circuitry
8-61
8-C-IO.
AC/DC
Operation
8-62
8-C-12.
AC
Noise (Schematic
3)
8-62
8-C-16.
Miscellaneous Troubleshooting
(Schematic
3)
8-63
8-C-17.
Average Responding
AC
Convertor
(Schematic
2)
8-64
SERVICE
GROUP
D
8-D-l.
Ohm
Troubleshooting (Schematic
1,4)..
.8-65
8-D-2.
Ohms
Circuit Isolation
8-65
8-D-4.
Ohms
Servicing
8-65
8-D-6.
Ohms
Convertor Troubleshooting
(Schematic
1,
4)
8-65
8-D-8.
Miscellaneous
Ohms
Troubleshooting
Hints
8-66
8-D-9.
Ohms
Offsets
8-66
8-D-ll.
Ohms
Noise (Schematic
1,4)
8-67
SERVICE
GROUP
E
8-E-l.
A/D
Convertor
and
Inguard Logic
Troubleshooting
8-68
8-E-2.
A/D
Convertor
Servicing
(Schematic
6,
7)
8-68
8-E-4.
No
A/D
Waveform
8-69
8-E-6.
Incorrect
A/D
Waveform
8-69
8-E-7.
Correct
A/D
Waveform
8-69
8-E-8.
A/D
Noise (Schematic
6)
8-70
8-E-lO.
Inguard Logic Troubleshooting
(Schematic
7)
8-70
8-E-12.
Inguard Logic Troubleshooting with
no
A/D
Waveform
8-70
8-E-I3.
Inguard Logic Troubleshooting
with
an
A/D
Waveform
8-72
SERVICE
GROUP
F
8-F-l.
Outguard
Logic Troubleshooting
(Schematic
8, 9,
10)
8-73
8-F-3.
Main
Controller
Troubleshooting
(Schematic
8)
8-73
8-F-4.
Front Panel Troubleshooting
8-73
8-F-5.
Front Panel Operation
Check
8-73
8-F-6.
Front Panel
Servicing
(Schematic
10).
.
.
.8-74
8-F-7.
Front Panel
LED's
Switch,
and Key
Cap
Replacement Procedure
8-74
8-F-8.
HP-IB
Troubleshooting (Schematic
9).
.
.8-75
SERVICE
GROUP
6
8-G-l.
Miscellaneous Troubleshooting
8-76
8-G-2.
Power
Supplies
(Schematic
11)
8-76
8-G-3.
Reference
Assembly
(Schematic
5)
8-76
8-G-4.
Turn-Over
Errors (Schematic
1,
5,
and
6)
8-77
8-G-6.
Other Troubleshooting (Schematic
8
and
11)
8-77
SERVICE
GROUP
H
8-H-l
.
T
roubleshooting
Diagrams
8-78
8-H-3.
General Troubleshooting
Diagram
8-78
8-H-4.
Inguard Troubleshooting
Diagram.
8-8
1/8-82
8-H-6.
Outguard
Troubleshooting
8-117/8-118
APPENDIX
Page
A-1.
Introduction
A-1
A-4.
Program Example
#1
A-1
A-5.
Program Example #2
A-2
LIST
OF
TABLES
Table
Page
1-1.
Specifications
1-2
1-2.
Typical
Operating Charaaeristics
1-4
1-3.
Recommended
Test
Equipment
1-6
3-1.
Maximum
Front Panel
Reading
Rates
3-6
3-2.
HP-IB
Interface
Capability
3-7
3-3.
Bus Messages
3-8
3-4.
HP-IB Program
Codes
3-9
3-5.
Binary
Program Codes
3-11
3-
6.
Typical
HP-IB
Controlled
Meassurement
Times
3-14
4-
1.
DC
Accuracy
Test
(1
V,
10
V
Full Scale;
High
Resolution
On)
4-3
Table
Page
4-2.
DC
Accuracy
Test
(High
Resolution Off).
.
.4-5
4-3.
DC
Accuracy
Test
(High
Resolution
On).
.
.4-5
4-4.
AC
Accuracy
Test
30
Hz
to 100
kHz
(Standard
Model
3455
A
only)
4-7
4-5.
AC
Accuracy
Tests 100
kHz
to
1
MHz
(Standard
Model
3455
A
only)
4-7
4-6.
AC
Accuracy
Test
30
Hz
to 100
kHz
(3455
A
Option
001 only)
4-8
4-7.
Two-Wire
Ohm
Accuracy
Test
4-8
4-8.
Four-Wire
Ohms
Accuracy
Test
4-9
4-9.
DC
Accuracy
Test
(1
V,
10
V
Full-Scale;
High
Resolution
OfO
4-10
V
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