Model 4328A
LLst of Tables
List of Illustration
LIST OF TABLES
Number
Title
Page
1-1.
3-1.
3-2.
5-l.
5-2
5-3.
5-4.
5-5.
5-6.
5-7.
6-L
Specifications
...... , . 1-2
Characteristics of Applied Current
Dtssipation .............. , . . . . . . .
3-5
Ma..ximum Values of Resistance and
Length of Lead Wire ....... , _ . . . . .
3-7
Recommended Test Equipment .... , ... 5-1
Full Scale Test , .............. , ... , . 5-2
Measurements ........... , ......... 5-6
Safe Ohmmeter Range for Transistor
5-6
Ltst of Reference Designators and
Abbreviations ..... , ... , . . . , ........ 6-1
Number
Title
6-2.
7-1.
8-1.
8-2.
8-3.
8-4.
8-5.
8-6.
8-7.
8-8.
8-9.
8-10.
Backdating Changes .. , ..... , ..... .
Oscillator P/0 A3 Troubleshooting .
Limitter P/0 A3 Troubleshooting . , ....
Modulator P iO A2 Troubleshooting
Page
6-2
7-1
8-5
8-7
8-7
8-9
8-9
8-11
8-11
8-11
8-13
8-15
LIST OF ILLUSTRATIONS
Number
Title
Page
1-1.
3-1.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
3-8.
3-9.
4-1.
4-2.
4-3.
4-4.
4-5.
4-6.
4-7.
5-l.
5-2.
5-3.
7-1.
7-2.
8-1.
8-2.
8-3.
8-4.
8-5.
8-6.
Model 4328A Milhohmmeter . . . . . . . . . . 1-1
Probe Combmation ..... , . . . . . . . . . . . . 3-5
1
Basic Low Resistance Measurement ... 4-1
SimphfLed Block Diagram,....... . . . . . . 4-1
Schematic .... , . . . . . . . . . . . . . . . . . . . 4-5
Amphher Talking Schematic . . . . . . . 4-7
Model 4328A Ni-Cd Power Supply .... .
(0. 9m.f2
+ j
1. 8m0) Impedance ......... 5-7
(900
+
J
Parhal Schematic
of
A3 Ass'y ........ 7-2
Model 4328A Waveform Test Point
Locations . . . . . . . . . . . . . . . . . . . . . . . . 8-5
Model 4328A Bottom Internal V'lew . . . . 8-6
Number
Title
Page
8-7.
8-8.
8-9.
8-10.
8-11.
8-12.
8-13.
8-14.
8-15.
8-16.
8-17.
8-18.
8-19.
8-20.
8-21.
Model 4328A Rear Internal View ........ 8-8
Oscillator Assembly A3 Schematic ..... 8-17
Range Switch Assembly A4 Schematic .. 8-17
Mother Board Assembly A5 Schemattc .. 8-17
Phase Sensittve Amplifier Assembly
Component Locations .............. 8-18
A2 Schematic ............ , . . . . . . . 8-19
Mother Board Assembly A5
Schematic ...•......•..........•.. 8-19
Component Locations .............. 8-20
Power Supply Assembly Al
Schematic ........................ 8-21
Mother Board Assembly A5
Schematic ........... , ............ 8-21
Mother Board Assembly A5
Schematic _ . . . . . . . . . _ ....... _ ..... 8-23
Ni-Cd Power Supply Assembly A5
Schematic . . . . . . ........... , ...... 8-23
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