I L L U S T R AT E D P A R T S B R E A K D O W N
INTRODUCTION
1.
A. The illustrated parts lists, together with figures 301 through 311 describe and illustrate the
principal assemblies, sub-assemblies and component parts of the ADF Receiver, Servo-Amplifier-
Indicator and the optional Audio Amplifier.
B. The location of component parts on the various sub-assemblies are shown in figures 303
through 311.
LIST OF ILLUSTRATIONS2.
Title
Figure Number
Model 201A, A-1, B, B-1 ADF Receiver, Exploded View.
Model 201C. DADF Receiver, Exploded View.
Model 551A Servo Amplifier Indicator.
NOT USED
Model 551B Remote Gonio Synchro.
R. F. Modules, Layout Diagram
ADF Receiver Tuning Capacitor, Layout Diagram.
ADF Receiver, Printed Circuit Board Layout Diagram.
Servo Amplifier, Indicator Chassis, Layout Diagram.
310 Model 551C Dual Synchro Indicator, Exploded View
Model 551E Servo Amplifier Indicator, Exploded View.
301
302
303
304
305
306
307
308
309
310
311
April 1965
(Revised March 1968)
Page 301
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