LIST OF ILLUSTRATIONS (Continued)
DESCRIPTION AND OPERATION
P A G E N O .
TITLE
FIGURE
18
Motor Control Amplifier Operation (45“ Bearing),
S i m p l i fi e d S c h e m a t i c D i a g r a m
Motor Control Amplifier Operation (225° Bearing),
S i m p l i fi e d S c h e m a t i c D i a g r a m
Motor Control Amplifier Operation (Zero Degrees
Bearing), Simplified Schematic Diagram
8
18
9
20
10
M A I N T E N A N C E P R A C T I C E S
I
102
Standard Sense Test Antenna Connection
Bench Test Set-Up, ADF Receiver
Bench Test Set-Up, Audio Amplifier
Typical Modulation Percentages
Resolver Alignment Set-up
Bench Test Set-Up, Servo Amplifier-Indicator
101
106
102
108
103
109
104
109
105
113
106
I L L U S T R A T E D PA R T S B R E A K D O W N
302
Model 201A, A-1, B, B-1 ADF Receiver, Exploded View
Model 201C, DADF Receiver, Exploded View
Model 551A Servo Amplifier Indicator
(DELETED)
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
Model 551C Dual Synchro Indicator, Exploded View
Model 551E, Servo Amplifier Indicator
301
306
302
311
303
313
304
316
305
319
306
320
307
321
308
327
309
331
310
333
311
SCHEMATIC DIAGRAMS
NOTE
See NOTE on page 401-
402
Model 201A, A-1, B, B-1 ADF Receiver, Schematic diagram
Model 201C/D ADF Receiver, Schematic Diagram
Model 551A Servo Amplifier-Indicator, Model 551B Remote
Gonio Synchro, Schematic Diagram
Model 551C Dual Synchro Indicator, Schematic Diagram
Model 551E Servo Amplifier-Indicator, Schematic Diagram
Model 2321E Loop Antenna, Schematic Diagram
Model 102A Audio Amplifier, Schematic Diagram
Model 102B Audio Amplifier, Schematic Diagram
Model 551E Connector Wiring Diagram Field Modification
Model 201A, BReceiver, Table of Parts Differences
401
403
402
403
404
405
404
406
405
407
406
408
407
409
408
410
409
411
410
April 1965
(Revised April 1967)