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Bendix/King KX 165A
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Honeywell Bendix/King KX 165A - Page 139
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BENDIX/KING
KX 165A
Re
v 0, J
un/2000
15610M00.RCD
P
age 5-91
FIGURE 5-84 MAIN BOARD WAVEFORM AT E3 DURI
NG TRANSMIT
(DWG NO. 002-09059-0040, REV G, SHEET 11)
FIGURE 5-85 MAIN BD W
AVEFORM AT E5 DURING TR
ANSMIT
(DWG NO. 002-09059-0040, REV G, SHEET 11)
138
140
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Theory of Operation
9
General
9
Kx 165A Features
9
Block Diagram Theory of Operation
10
FIGURE 4-1 KX 165A Block Diagram
10
Com Receiver
11
FIGURE 4-2 KX155A NAV/COM Receiver - Main Board Audio Circuitry
13
Transmitter
15
FIGURE 4-3 Transmitter Block Diagram
17
Vor/Loc Receiver
18
FIGURE 4-4 vor Signal Generation
20
FIGURE 4-5 Localizer Signal Generation
21
Glideslope Receiver
22
FIGURE 4-6 Glideslope
23
FIGURE 4-7 200-09447-000 KX 165A Glideslope Receiver Block Diagram
24
Central Processing Unit (Cpu)
25
FIGURE 4-8 CPU Block Diagram
26
Front Panel and Display
27
Power Supply
27
FIGURE 4-9 Front Panel and Display Diagram
28
FIGURE 4-10 Power Supply Block Diagram
29
FIGURE 4-11 VOR/LOC Converter Board Block Diagram
30
VOR/LOC Converter Board
30
Detailed Circuit Theory
32
Com Receiver
32
TABLE 4-1 Component Designators
32
Transmitter
36
Nav (Vor/Loc) Receiver
37
Table 4-2 Gs/Loc Frequency Pairs Vs. Gs Vco Frequency
40
GLIDESLOPE RECEIVER Fig 6-29
41
Cpu Function
44
Power Supply
46
Front Panel and Display Module
46
VOR/LOC Converter I/O Board
47
Maintenance
50
5.1 General Information
50
Standard Test Signal Description
50
5.2 Test and Alignment
51
Test Equipment
51
TABLE 5-1 Maximum Load Driving Capacity
51
Figure 5-1 Typical Test Equipment Setup
53
Figure 5-2 Bench Test Harness
55
FIGURE 5-2 Bench Test Harness (Sheet 2 of 2)
55
Unit Level Alignment
56
TABLE 5-2 Pages Accessed by Mode Button
56
TABLE 5-3 Alignment Data
68
Final Test Procedure
71
FIGURE 5-3 Audio Injection Circuit
86
FIGURE 5-4 Linear Detector
86
Overhaul
87
Visual Inspection
87
FIGURE 5-5 Elliptic Filter Tuning Injection Circuit
87
Cleaning
89
Repair
89
Kx 165A Disassembly
89
Software Updates
93
TABLE 5-5 KX 155A Mainboard Voltage Measurements
94
TABLE 5-6 KX 155A Nav/Com Receiver Test Voltages
95
TABLE 5-7 KX 155A Glideslope Test Voltages (200-09060-0000 Board)
98
FIGURE 5-6 Waveform Notes
99
Figure 5-7 Rcvr Bd Clock Waveform at P3001-3
100
Figure 5-8 Rcvr Bd Data Waveform at P3001-5
100
Figure 5-10 Rcvr Bd Enable Waveform at Enable Decoder
101
Figure 5-9 Rcvr Bd Data Waveform at P3001-4
101
Figure 5-11 Rcvr Bd Waveform at Tp 31 (Std Comm Input)
102
Figure 5-18 Rcvr Bd Waveform at Collector of Q15
105
Figure 5-20 Rcvr Bd Waveform at the Collector of Q23
106
Figure 5-21 Rcvr Bd Waveform at U15 Pin 12 Tp5
107
Figure 5-24 Rcvr Bd Waveform Junction of Q16 and R172
108
Figure 5-27 Rcvr Bd Waveform at Tp2
110
Figure 5-28 Rcvr Bd Waveform at U13 Pin 14( no Rf Applied)
110
Figure 5-30 Rcvr Bd Waveform at Tp30
111
Figure 5-31 Rcvr Bd Waveform at U23 Pin 12 (Tp9)
112
Figure 5-88 Main Board Waveform at J4 Pin 8 During Transmit
141
Figure 5-89 Main Board Waveform at J4 Pin 1 During Reception
141
Figure 5-90 Main Board Waveform at Q38 Emitter During Transmit
142
Figure 5-91 Main Board Waveform at Q38 Emitter During Reception
142
Figure 5-92 Main Board Waveform at J4 Pin 2 During Transmit
143
Figure 5-93 Main Board Waveform at J4 Pin 2 During Reception
143
Figure 5-94 Main Board Waveform at U28 Pin 4 During Transmit
144
Figure 5-95 Glideslope Waveform at the Base of Q4
144
Figure 5-96 Glideslope Board Waveform at Tp4
145
Figure 5-99 Glideslope Board Waveform at the Junction of R89 and R91
146
Figure 5-100 Converter Bd Waveform at Tp9
147
Figure 5-101 Converter Bd Waveform at Tp9
147
Figure 5-102 Converter Bd Waveform at Tp9
148
Figure 5-103 Converter Bd Waveform at Tp9
148
Illustrated Parts Lists
149
Bill of Material Description
149
Introduction
149
Software Documentation
152
FIGURE 6-1 Sample Parts List
155
FIGURE 6-2 Final Assembly
161
FIGURE 6-3 Bezel Assembly
165
FIGURE 6-4 Bezel
168
FIGURE 6-5 Front Panel Assembly
173
FIGURE 6-5 Front Panel Assembly
174
FIGURE 6-6 Front Panel Schematic
176
FIGURE 6-7 KX 165A Main Board Assembly
197
FIGURE 6-7 KX 165A Main Board Assembly
198
FIGURE 6-8 KX 165A Main Board Schematic
201
FIGURE 6-8 KX 165A Main Board Schematic
202
FIGURE 6-8 KX 165A Main Board Schematic
203
FIGURE 6-8 KX 165A Main Board Schematic
204
FIGURE 6-8 KX 165A Main Board Schematic
205
FIGURE 6-8 KX 165A Main Board Schematic
206
FIGURE 6-9 TX Audio Adapter
214
FIGURE 6-10 TX Audio Adapter Schematic
215
FIGURE 6-11 Base Assembly
218
FIGURE 6-12 Transmitter Board
223
FIGURE 6-13 Transmitter Schematic
225
FIGURE 6-14 RF Pwr Transistor Assembly
228
FIGURE 6-15 Transmitter Filter Board
232
FIGURE 6-16 Transmitter Filter Board Schematic
233
FIGURE 6-17 Directional Coupler
236
FIGURE 6-18 Directional Coupler Schematic
238
FIGURE 6-19 COM/VOR Receiver Board
253
FIGURE 6-21 COM/VOR Receiver Board Schematic
262
FIGURE 6-22 if Filter Board
269
FIGURE 6-23 if Filter Board Schematic
270
FIGURE 6-24 Top Cover Assembly
273
FIGURE 6-25 VOR/LOC Converter Board
278
FIGURE 6-26 VOR/LOC Converter Board Schematic
279
FIGURE 6-27 Glideslope Assembly
283
FIGURE 6-28 Glideslope Board
290
FIGURE 6-29 Glideslope Board Schematic
291
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