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Codan NGT 2010 RF User Manual
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8571—Overview and
specifications
326
NG
T Transceiver System T
echnical Servi
ce Manual
Pinout
s of the DC Supply connector on the 8571
Figure
5:
Front view of the DC
Supply connector on the 8571
T
able
3:
Pinouts of the DC
Supply connector on the 8571
Pin no.
Function
Input/output
Signal level
1
DC supply
Input
+12
V
DC
2
DC supply
Input
+24
V
DC
3N
/
C
4
Ground
0
V
1
2
3
4
763
765
Table of Contents
Table of contents
3
Index
3
NGT-Index
3
High power-Index
8
NRI-Index
9
3012-Index
9
8571-Index
10
List of figures
13
List of tables
17
Index
21
About this manual
25
Volume 1
25
Volume 2
26
Volume 3
26
Standards and icons
28
Definitions
29
Acronyms and abbreviations
29
Glossary
35
Circuit reference designations
37
Units
38
Unit multipliers
39
About this issue
40
Associated documents
40
Compliance
41
Introduction
42
European Radio and Telecommunications Terminal Equipment Directive
43
Product marking and labelling
43
Declarations of Conformity
43
Protection of the radio spectrum
44
Electromagnetic compatibility and safety notices
45
Radiation safety
45
Electromagnetic compatibility
45
Electrical safety
46
Earth symbols
46
Table 1: Earth symbols
46
FCC compliance
47
FCC Part 90 certification
47
FCC Part 15 compliance
47
IC certification
48
Product markings and labelling
48
C-tick approval
48
Maintenance
49
General
49
Spare boards
49
Static transistor tests
49
Dynamic transistor tests
49
Integrated circuits
49
CMOS devices
50
Packaging
50
Switching off
50
Handling
50
Grounding
50
Circuit boards
50
Excessive heat
50
Unsoldering
51
Component substitution
51
Component replacement
51
Integrated circuit replacement
52
Transmitter precautions
52
Probe precautions
52
Contact information
53
Ordering information
55
Table 2: Resistor and capacitor abbreviations
55
Ordering information
55
Component substitution
56
NGT-Index
57
NGT-Overview and specifications
63
Overview
64
Figure 1: Relationship of the 2010 RF Unit, 2030 Junction Box, and 2020 Handset
64
Figure 2: Relationship of the 2011/2012 RF Unit and 2020 Handset
65
Specifications
66
General
66
Table 1: General specifications
66
Receiver
68
Table 2: Receiver specifications
68
Transmitter
69
Table 3: Transmitter specifications
69
Pin connections
71
RF unit
71
Figure 3: Rear panel of the 2010 RF Unit
71
Figure 4: Rear panel of the 2011 RF Unit
71
Figure 5: Rear panel of the 2012 RF Unit
71
Pinouts of the CIB connector on the RF unit (2010 only)
72
Figure 6: Front view of the CIB connector on the RF unit (2010 only)
72
Table 4: Pinouts of the CIB connector on the RF unit (2010 only)
72
Pinouts of the antenna control connector on the RF unit
73
Figure 7: Front view of the antenna control connector on the RF unit
73
Table 5: Pinouts of the antenna control connector on the RF unit
73
Pinouts of the DC supply connector on the RF unit
73
Table 6: Pinouts of the DC supply connector on the RF unit
73
RF connector
73
Pinouts of the fan connector on the RF unit
74
Figure 8: Front view of the fan connector on the RF unit
74
Table 7: Pinouts of the fan connector on the RF unit
74
Pinouts of the 10-way connector on the RF unit (2011/2012 only)
75
Figure 9: Front view of the 10-way connector on the RF unit (2011/2012 only)
75
Table 8: Pinouts of the 10-way connector on the RF unit (2011/2012 only)
75
Pinouts of the 4-way connector on the RF unit (2011/2012 only)
76
Figure 10: Front view of the 4-way connector on the RF unit (2011/2012 only)
76
Table 9: Pinouts of the 4-way connector on the RF unit (2011/2012 only)
76
Pinouts of the 6-way connector on the RF unit (2011/2012 only)
76
Figure 11: Front view of the 6-way connector on the RF unit (2011/2012 only)
76
Table 10: Pinouts of the 6-way connector on the RF unit (2011/2012 only)
76
Pinouts of the handset and speaker connector attached to the RF unit (2011/2012 only)
77
Figure 12: Front view of the handset and speaker connector attached to the RF unit (2011/2012 only)
77
Pinouts of the 15-way GPIO connector on the RF unit (2012 only)
78
Figure 13: Front view of the 15-way GPIO connector on the RF unit (2012 only)
78
Table 11: Pinouts of the 15-way GPIO connector on the RF unit (2012 only)
78
Junction box (used with 2010 RF Units only)
79
Figure 14: Connector panel of the junction box
79
Pinouts of the handset connector on the junction box
79
Figure 15: Front view of the handset connector on the junction box
79
Table 12: Pinouts of the handset connector on the junction box
79
Pinouts of the CIB connectors on the junction box
80
Figure 16: Front view of a CIB connector on the junction box
80
Table 13: Pinouts of the CIB connectors on the junction box
80
Pinouts of the speaker connector on the junction box
80
Table 14: Pinouts of the speaker connector on the junction box
80
Pinouts of the 9-way serial data connector on the junction box
81
Figure 17: Front view of the 9-way serial data connector on the junction box
81
Table 15: Pinouts of the 9-way serial data connector on the junction box
81
Pinouts of the 15-way GPIO connector on the junction box
82
Figure 18: Front view of the 15-way GPIO connector on the junction box
82
Table 16: Pinouts of the 15-way GPIO connector on the junction box
82
Desk console
83
Pinouts of the headphone jack on the desk console
83
Table 17: Pinouts of the headphone jack on the desk console
83
NGT-Brief description (2010)
85
03-01032 Issue 2
87
03-01032 Issue 4
88
General information
89
Transmit path
91
Handset transmit path
91
Junction box transmit path
91
RF unit transmit path
91
Audio Interface PCB
91
Application Processor PCB
91
RF/IF PCB
91
PA PCB
91
Receive path
92
RF unit receive path
92
PA PCB
92
RF/IF PCB
92
Audio Interface PCB
92
Junction box receive path
92
Synthesiser operation
93
Control and switching
93
NGT-Brief description (2011/2012)
95
03-01126
97
03-01190
98
General information
99
Transmit path
100
Handset transmit path
100
RF unit transmit path
100
Audio & Interconnect PCB (2011)/Audio Interconnect & Data I/O PCB (2012)
100
RF/IF PCB
100
PA PCB
100
Receive path
101
RF unit receive path
101
PA PCB
101
RF/IF PCB
101
Audio & Interconnect PCB (2011)/Audio Interconnect & Data I/O PCB (2012)
101
Synthesiser operation
102
Control and switching
102
NGT-Technical description (2010)
103
Power on
104
Power off
105
Supply voltages
106
Handset
106
Table 18: Supply voltages for the Handset PCB in the handset
106
Junction box
106
Table 19: Supply voltages for the Audio PCB in the junction box (04-03201 or 04-03423)
106
Table 20: Supply voltages for the Microprocessor PCB in the junction box
106
RF unit
107
Table 21: Supply voltages for the Audio Interface PCB in the RF unit
107
Table 22: Supply voltages for the Application Processor PCB in the RF unit
107
Table 23: Supply voltages for the RF/IF PCB in the RF unit (04-03106)
107
Table 24: Supply voltages for the RF/IF PCB in the RF unit (04-03378)
108
Table 25: Supply voltages for the PA PCB and Filter and Control PCB in the RF unit (04-03169 or 04-03369 or 04-03542)
108
Transmit path
109
Handset microphone amplifier transmit path
109
Junction box transmit path
109
Time division multiplex audio channels
110
Figure 19: Representation of the waveform as measured at TP2
110
Codan Interconnect Bus transmit path
111
RF unit-Audio Interface PCB transmit path
111
RF unit-Application Processor PCB transmit path
112
Figure 20: Representation of compression function by IC5
112
RF unit-RF/IF PCB transmit path
113
Transmit/Receive switching
113
Transmit modulator
113
455 kHz filter and first mixer
113
45 MHz band-pass filter
114
Second mixer and exciter output filter
114
Tuning
114
RF unit-PA PCB transmit path
115
Gain control stage
115
Pre-driver stage
116
Driver stage
116
Output stage and bias generator
117
Output stage and bias regulator
117
Output filters
117
Automatic level control
118
Receive path
121
Input low-pass filters
121
Broadcast filter and RF amplifier
121
First mixer
121
45 MHz band-pass filter and amplifier
121
Second mixer
122
Noise limiter
122
455 kHz filter and IF amplifier
123
Automatic gain control
124
Demodulator
125
RF unit-Audio Interface PCB receive path
125
Voice mute
125
Time division multiplex audio generation
125
Codan Interconnect Bus receive path
126
Junction box receive path
126
Time division multiplex audio reconstruction and audio amplifier
126
Frequency control
127
Reference oscillator
127
Oven controller
127
Direct digital synthesis
128
Local oscillator for upper sideband and lower sideband
128
Phase lock loop reference
128
VCO and phase lock loop
129
26 V power supply
129
Microprocessors and control
130
Handset microprocessor and control
130
Standby and power on
130
Microprocessor
130
Keypad
130
Display
130
RS232 programming port
131
Handset data bus
131
Junction box microprocessor and control
131
Handset data
131
Microprocessor
131
UART and dual RS232
131
EEPROM
132
Tone generation
132
CAN driver
132
RF unit microprocessors and control
132
Overview
132
Application Processor PCB
132
Audio Interface PCB
133
RF/IF PCB
133
Filter and Control PCB
134
Desk console
134
Internal voice encryptor
135
Second IF filter option
136
NGT-Technical description (2011/2012)
137
Power on
138
Power off
139
Supply voltages
140
Handset
140
Table 26: Supply voltages for the Handset PCB in the handset
140
RF unit
140
Table 27: Supply voltages for the Audio & Interconnect PCB in the RF unit (2011 only)
140
Table 28: Supply voltages for the Audio Interconnect & Data I/O PCB in the RF unit (2012 only)
141
Table 29: Supply voltages for the Application Processor Handset I/F 3 V PCB in the RF unit (2011 only)
141
Table 30: Supply voltages for the Application Processor Handset & Data I/F PCB in the RF unit (2012 only)
141
Table 31: Supply voltages for the RF/IF PCB in the RF unit
142
Table 32: Supply voltages for the PA PCB and Filter and Control PCB in the RF unit (04-03369 or 04-03542)
142
Transmit path
143
Handset microphone amplifier transmit path
143
RF unit-Audio & Interconnect PCB (2011)/Audio Interconnect & Data I/O PCB (2012) transmit path
143
Tx audio
143
RF unit-Application Processor Handset I/F 3 V PCB (2011)/Application Processor Handset & Data I/F PCB (2012) transmit path
144
Figure 21: Representation of compression function by IC7
144
RF unit-RF/IF PCB transmit path
144
Transmit/Receive switching
144
Transmit modulator
145
455 kHz filter and first mixer
145
45 MHz band-pass filter
145
Second mixer and exciter output filter
146
Tuning
146
RF unit-PA PCB transmit path
147
Gain control stage
147
Pre-driver stage
147
Driver stage
147
Output stage and bias regulator
148
Output filters
148
Automatic level control
148
Receive path
150
Input low-pass filters
150
Broadcast filter and RF amplifier
150
First mixer
150
45 MHz band-pass filter and amplifier
150
Second mixer
151
Noise limiter
151
455 kHz filter and IF amplifier
151
Automatic gain control
152
Demodulator
153
RF unit-Audio & Interconnect PCB (2011)/Audio Interconnect & Data I/O PCB (2012) receive path
153
Rx audio
153
Tone generation
153
Voice mute
154
Frequency control
155
Reference oscillator
155
Oven controller
155
Direct digital synthesis
155
Local oscillator for upper sideband and lower sideband
155
Phase lock loop reference
156
VCO and phase lock loop
156
26 V power supply
157
Microprocessors and control
158
Handset microprocessor and control
158
Standby and power on
158
Microprocessor
158
Keypad
158
Display
158
RS232 programming port
159
Handset data bus
159
RF unit-microprocessors and control
159
Overview
159
Handset data
159
RS232
160
Real time clock
160
Application Processor Handset I/F 3 V PCB (2011)/Application Processor Handset & Data I/F PCB (2012)
160
Audio & Interconnect PCB (2011)/Audio Interconnect & Data I/O PCB (2012)
161
IrDA (2012 only)
161
RF/IF PCB
161
Filter and Control PCB
161
Internal voice encryptor
162
NGT-Channel additions
163
General
164
Options
164
Table 33: Transmit disable, transmit enable and transmit prohibited options
164
Figure 22: Position of TPE link on the Microprocessor PCB in the junction box
165
Figure 23: Position of TPE link on the Application Processor Handset I/F 3 V PCB in the 2011
165
Figure 24: Position of TPE link on the Application Processor Handset & Data I/F PCB in the 2012
166
Transmit disable option
166
Transmit enable option
166
Transmit prohibited option
167
Programming channels
168
Creating a channel
168
Creating a channel with the TxD option
171
Renaming a channel
173
Copying a channel
175
Editing a channel
176
Deleting a channel
178
NGT-Checks and adjustments
179
Test equipment required
180
Voltage regulators
181
Handset voltages
181
Table 34: Supply voltages for the Handset PCB in the handset
181
Junction box voltages
181
Table 35: Supply voltages for the Audio PCB in the junction box
181
Table 36: Supply voltages for the Microprocessor PCB in the junction box
181
RF unit voltages
182
Table 37: Supply voltages for the Audio Interface PCB in the RF unit (2010 only)
182
Table 38: Supply voltages for the Audio & Interconnect PCB in the RF unit (2011 only)
182
Table 39: Supply voltages for the Audio Interconnect & Data I/O PCB in the RF unit (2012 only)
183
Table 40: Supply voltages for the Application Processor PCB in the RF unit (2010 only)
183
Table 41: Supply voltages for the Application Processor Handset I/F 3 V PCB in the RF unit (2011 only)
183
Table 42: Supply voltages for the Application Processor Handset & Data I/F PCB in the RF unit (2012 only)
184
Table 43: Supply voltages for the RF/IF PCB in the RF unit (08-05261)
184
Table 44: Supply voltages for the RF/IF PCB in the RF unit (08-05889)
185
Table 45: Supply voltages for the PA PCB and Filter and Control PCB in the RF unit
185
Crystal oven
186
Low-pass filters
186
Service mode
187
General
187
Accessing Service mode
188
Figure 25: Position of link 11 on the Microprocessor PCB in the junction box
188
Figure 26: Position of link A on the Application Processor Handset I/F 3 V PCB in the 2011
189
Figure 27: Position of link A on the Application Processor Handset & Data I/F PCB in the 2012
189
Service channels
190
Table 46: Pre-defined service channels for Service mode
190
Service mode hot keys
191
Table 47: Hot keys on the handset during Service mode
191
Returning to Normal mode
192
Testing the keypad and display
193
Adjustment locations and test points
194
Figure 28: RF/IF PCB in the RF unit (08-05261)
194
Figure 29: RF/IF PCB in the RF unit (08-05889)
195
Figure 30: PA PCB in the RF unit (08-05415 or 08-05511)
195
Figure 31: PA PCB in the RF unit (08-05869)
196
Figure 32: PA PCB in the RF unit (08-06461)
196
Figure 33: Filter and Control PCB in the RF unit (08-05416)
197
Figure 34: Filter and Control PCB in the RF unit (08-05910)
197
Figure 35: Audio Interface PCB in the RF unit (08-05266, 2010 only)
198
Figure 36: Audio & Interconnect PCB in the RF unit (08-05988, 2011 only)
198
Figure 37: Audio Interconnect & Data I/O PCB in the RF unit (08-06261, 2012 only)
199
Checking the voltage-controlled oscillator
200
Aligning the 45 MHz filters
201
Aligning the Rx filter
201
Figure 38: Receive sweep test display
201
Aligning the Tx filter
202
Figure 39: Transmit sweep test display
202
Aligning the 455 kHz IF and noise limiter
203
Adjusting the exciter output level
204
Figure 40: Setup for test unit with a 2010/2012 RF Unit
204
Figure 41: Setup for test unit and NGT test handset with a 2011 RF Unit
204
Adjusting carrier re-insertion
205
Figure 42: Graph showing adjustment to 90% modulation
205
Adjusting the exciter output spurious balance
206
Adjusting frequency
207
Adjusting mute
209
Adjusting the PA
210
Adjusting the driver bias
210
Adjusting the PA bias
212
Adjusting high output power
214
Table 48: Power output PEP vs measuring instrument (12/100/125 W)
215
Adjusting low output power
216
Adjusting the bias gain
216
Figure 43: Setup for adjusting the bias gain
217
Adjusting the active bias
218
Adjusting balance control
219
Checking intermodulation
221
Figure 44: Setup for checking intermodulation distortion
221
Adjusting the PA gain
223
Checking performance of the receiver
224
Checking the sensitivity and (signal+noise)/noise ratio
224
Checking the AGC
225
Checking the audio output
225
Checking the selectivity
226
Checking the noise limiter
227
Checking performance of the transmitter
228
Checking the transmit frequency
228
Checking the ALC
228
Checking power output and intermodulation
229
Table 49: Power output PEP vs measuring instrument (12/100/125 W)
229
NGT-Parts lists
231
Table 50: NGT parts lists index
231
08-05513-001
235
08-05514-001
236
08-05628-003
237
08-05628-001
238
08-05628-002
239
08-05628-007
240
08-05628-005
241
08-05628-004
242
08-05628-009
243
08-05300-001
244
08-05522-001
249
08-05523-001
250
08-05524-001
251
08-05470-001
252
08-05986-001
260
08-05317-001
268
08-05266-001
272
08-05265-001
281
08-05261-001
287
08-05889-001
308
08-05235-002
329
08-05963-001
330
08-05962-001
331
08-05973-001
332
08-05415-001
333
08-05869-001
338
08-06461-001
344
08-05416-001
350
08-05910-001
361
08-05511-001
373
08-05988-001
378
08-05987-001
387
08-06261-001
394
08-06260-001
406
08-05890-001
414
08-05890-002
415
08-05267-001
416
08-06320-001
418
NGT-Drawings
422
Table 51: NGT-list of drawings
422
04-03223
428
04-03562
429
04-03437
430
04-03533
431
08-05513
432
08-05514 (sheet 1)
433
08-05514 (sheet 2)
434
08-05628 (sheet 1)
435
08-05628 (sheet 2)
436
08-05628 (sheet 3)
437
08-05628 (sheet 4)
438
04-03125
439
08-05300
440
08-05522
441
08-05523
442
08-05524
443
04-03201
444
08-05470
445
04-03423
446
08-05986 (sheet 1)
447
08-05986 (sheet 2)
448
04-03133
449
08-05317
450
04-03109
451
08-05266
452
04-03108 (sheet 1)
453
04-03108 (sheet 2)
454
08-05265
455
04-03106 (sheet 1)
456
04-03106 (sheet 2)
457
04-03106 (sheet 3)
458
08-05261 (sheet 1)
459
08-05261 (sheet 2)
460
04-03095
461
08-05235
462
04-03378 (sheet 1)
463
04-03378 (sheet 2)
464
04-03378 (sheet 3)
465
04-03378 (sheet 1)
466
04-03378 (sheet 2)
467
04-03378 (sheet 3)
468
08-05889 (sheet 1)
469
08-05889 (sheet 2)
470
08-05889 (sheet 1)
471
08-05889 (sheet 2)
472
04-03410
473
04-03414
474
08-05963
475
08-05962
476
08-05973
477
04-03169
478
08-05415
479
08-05416
480
08-05511 (sheet 1)
481
08-05511 (sheet 2)
482
04-03369
483
08-05869 (sheet 1)
484
08-05869 (sheet 2)
485
08-05869 (sheet 3)
486
08-05910 (sheet 1)
487
08-05910 (sheet 2)
488
04-03542
489
08-06461 (sheet 1)
490
08-06461 (sheet 2)
491
08-06461 (sheet 3)
492
08-05910 (sheet 1)
493
08-05910 (sheet 2)
494
04-03425
495
08-05988 (sheet 1)
496
08-05988 (sheet 2)
497
04-03424 (sheet 1)
498
04-03424 (sheet 2)
499
08-05987
500
04-03499 (sheet 1)
501
04-03499 (sheet 2)
502
08-06261 (sheet 1)
503
08-06261 (sheet 2)
504
04-03498 (sheet 1)
505
04-03498 (sheet 2)
506
08-06260
507
04-03379
508
08-05890
509
15-10506-001
510
15-10514-001
511
04-03110
512
08-05267
513
04-03514
514
08-06320
515
04-03272
516
High power-Index
517
High power-Overview and specifications
519
Overview
520
Figure 1: Basic layout of a 3061/3062 high-power system
520
Figure 2: Basic layout of an HPAC module and an ALC adaptor module with vendor equipment
520
Specifications
521
Power amplifier specifications (3061/3062)
521
Table 1: Power amplifier specifications (3061/3062)
521
Power amplifier specifications (TW500/TW1000)
522
Pin connections
523
Power amplifier (3061/3062)
523
Figure 3: Typical rear panel of a power amplifier
523
Pinouts of the ATU connector on the power amplifier
524
Figure 4: Front view of the ATU connector on the power amplifier
524
Table 2: Pinouts of the ATU connector on the power amplifier
524
Pinouts of the TCVR connector on the power amplifier
525
Figure 5: Front view of the TCVR connector on the power amplifier
525
Table 3: Pinouts of the TCVR connector on the power amplifier
525
Pinouts of the DC supply connector on the power amplifier
526
Figure 6: Front view of the DC supply connector on the power amplifier
526
Pinouts of the IEC mains connector (10 A) on the power supply
526
Figure 7: Front view of the IEC mains connector (10 A) on the power supply
526
Pinouts of the IEC mains connector (15 A) on the power supply
526
Figure 8: Front view of the IEC mains connector (15 A) on the power supply
526
HPAC module (used with vendor equipment only)
527
Figure 9: Rear panel of the HPAC
527
Pinouts of the ATU connector on the HPAC
527
Figure 10: Front view of the ATU connector on the HPAC
527
Table 4: Pinouts of the ATU connector on the HPAC
527
Pinouts of the Power Amp connector on the HPAC
528
Figure 11: Front view of the Power Amp connector on the HPAC
528
Table 5: Pinouts of the Power Amp connector on the HPAC
528
Pinouts of the TCVR connector on the HPAC
529
Figure 12: Front view of the TCVR connector on the HPAC
529
Table 6: Pinouts of the TCVR connector on the HPAC
529
ALC adaptor module (used with vendor equipment only)
529
Figure 13: ALC adaptor
529
Pinouts of the 3-way connector on the ALC adaptor
530
Figure 14: Front view of the 3-way connector on the ALC adaptor
530
Table 7: Pinouts of the 3-way connector on the ALC adaptor
530
High power-Brief description
531
03-01138
533
03-01139
534
General information
535
Power amplifier (3061/3062)
536
Power Amplifier PCB
536
Control PCB
536
Power Supply PCB
536
HPAC and ALC adaptor modules with vendor equipment
537
HPAC
537
ALC adaptor
537
High power-Technical description
539
LED indications on the NGT
540
Table 8: Status of LED and its meaning
540
3061/3062 power amplifiers
541
Supply voltages
541
Table 9: Supply voltages for the Control PCB in the power amplifier
541
Table 10: Supply voltages for the Power Amplifier PCB in the power amplifier
541
Table 11: Supply voltages for the Power Supply PCB in the power amplifier
541
Transmit path
542
ALC/PTT Switch PCB
542
Splitter 2-way (500 W) PCB and Splitter 4-way (1 kW) PCB
542
Power Amplifier PCB
542
Combiner 2-way (500 W) PCB and Combiner 4-way (1 kW) PCB
542
Filter PCB
543
Control PCB
543
Power Supply PCB
544
External high-power systems
545
Supply voltages
545
Table 12: Supply voltages for the High-power PA & Antenna Control PCB in the HPAC
545
Table 13: Supply voltages for the High-power ALC Adaptor PCB in the ALC adaptor module
545
Transmit path
546
High-power PA & Antenna Control PCB
546
Table 14: Position of digi switch S1
546
High-power ALC Adaptor PCB
547
High power-Fault finding and adjustments
549
General information
550
Fault finding the power amplifiers (3061/3062)
551
Table 15: Meaning of LED indicators on the front panel of the power amplifier
551
Internal fault indicators
552
Table 16: Meaning of internal LED indicators on the Control PCB
552
Adjusting the power amplifiers (3061/3062)
553
Replacing output transistors
553
Adjusting the amplifier bias
553
Adjusting the bar graph meter
554
Adjusting the amplifier output power
554
Table 17: Power output PEP vs measuring instrument (500 W/1 kW)
554
Adjusting the ALC bridge
555
Adjusting the power supply frequency
555
Adjusting the power supply operating area
556
Adjusting the input attenuator
556
Adjusting the external high-power amplifier
557
High power-Parts lists
559
Table 18: High power parts lists index
559
08-05985-001
561
08-05997-001
563
08-05999-001
564
08-05977-001
565
08-05998-001
569
08-06000-001
570
08-05976-001
571
08-05979-001
575
08-05978-001
585
08-05984-001
592
08-06067-001
593
08-06102-001
594
08-05926-001
595
08-05927-001
600
High power-Drawings
602
Table 19: High power-list of drawings
602
04-03422
604
08-05985
605
04-03419
606
08-05997
607
04-03420
608
08-05999
609
04-03416
610
08-05977 (sheet 1)
611
04-03428
612
08-05998
613
04-03429
614
08-06000
615
04-03415
616
08-05976 (sheet 1)
617
08-05976 (sheet 2)
618
04-03418 (sheet 1)
619
04-03418 (sheet 2)
620
08-05979 (sheet 1)
621
08-05979 (sheet 2)
622
04-03417
623
08-05978 (sheet 1)
624
08-05978 (sheet 2)
625
08-05978 (sheet 3)
626
04-03421
627
08-05984
628
04-03453
629
08-06067 (sheet 1)
630
08-06067 (sheet 2)
631
08-06102 (sheet 1)
632
08-06102 (sheet 2)
633
04-03377
634
08-05926 (sheet 1)
635
08-05926 (sheet 2)
636
04-03407
637
08-05927 (sheet 1)
638
08-05927 (sheet 2)
639
NRI-Index
640
NRI-Overview and specifications
642
Overview
643
Figure 1: Basic layout of the remote control NGT system
643
Components in a remote control NGT system
643
Handset
643
Junction box
643
RF unit
644
NGT remote interface
644
Switchmode power supply
644
Line modem
644
Transceiver supply
644
Antenna
644
Remote control junction box
644
HF data modem
644
Specifications
645
General
645
Environmental
645
Physical
645
2-wire land line
645
Control points
646
Pin connections
647
Figure 2: Rear panel of the NRI
647
Pinouts of the Modem connector on the NRI
647
Figure 3: Front view of the Modem connector on the NRI
647
Table 1: Pinouts of the Modem connector on the NRI
647
Pinouts of the Test connector on the NRI
648
Figure 4: Front view of the Test connector on the NRI
648
Table 2: Pinouts of the Test connector on the NRI
648
Pinouts of the CIB connectors on the NRI
649
Figure 5: Front view of a CIB connector on the NRI
649
Table 3: Pinouts of a CIB connector on the NRI
649
Pinouts of the DC power supply connectors on the NRI
650
Figure 6: Front view of a DC power supply connector on the NRI
650
Table 4: Pinouts of a DC power supply connector on the NRI
650
NRI-Brief description
652
03-01079
654
General information
655
NGT remote interface
655
Remote control junction box
656
Modem adaptor
656
NRI-Technical description
657
NRI User Connect PCB
658
NRI Microcontroller PCB
659
Power supply and switching
659
Codan interconnect bus
659
Serial interfaces
660
Microprocessor control
660
NRI Vocoder PCB
661
NRI-Fault finding
663
PCB and unit replacement
664
NGT remote interface
664
Line modem and switchmode power supply
664
Other units
664
PCBs and units available as replacements
664
Table 5: Replacement PCBs and units for the NRI
664
Upgrading the NRI firmware
665
Control site
665
Transceiver site
665
Error messages
666
Table 6: Error messages
666
LED indicators
667
Table 7: Description of LEDs
667
Dismantling the NRI
669
Figure 7: Exploded view of the NRI
669
Accessing the inside of the NRI
669
Accessing the NRI Microcontroller PCB
670
Accessing the NRI User Connect PCB
670
Test procedures
671
Testing the switchmode power supply
671
Figure 8: Power supply fault diagnosis chart
671
Testing the NRI unit
672
Figure 9: NRI fault diagnosis chart
673
Testing the NRI Microcontroller PCB
674
Table 8: Test points on the NRI Microcontroller PCB
674
Testing the NRI Vocoder PCB
675
Table 9: Test points on the NRI Vocoder PCB
676
Testing the NRI User Connect PCB
677
Figure 10a: NGT remote interface User Connect PCB fault diagnosis chart
678
Figure 10b: NGT remote interface User Connect PCB fault diagnosis chart continued
679
NRI-Parts lists
681
Table 10: NRI parts lists index
681
08-05854-001
683
08-05855-001
690
08-05870-001
695
NRI-Drawings
698
Table 11: NRI-list of drawings
698
04-03363 (sheet 1)
700
04-03363 (sheet 2)
701
08-05854 (sheet 1)
702
08-05854 (sheet 2)
703
08-05854 (sheet 3)
704
04-03364
705
08-05855
706
04-03370
707
08-05870
708
3012-Index
709
3012-Overview and specifications
711
Overview
712
Figure 1: Basic layout of a 3012 data system
712
Channel selection
712
Types of data transmission
713
Selective call
713
Group call
713
Broadcast call
713
Transmission protocol
713
Data link establishment
713
Selective transmissions
714
Group and broadcast transmissions
714
Indicators
714
Specifications
715
General
715
System requirements
716
Environmental
716
Physical
716
Pin connections
717
Figure 2: Rear panel of the 3012
717
Pinouts of the Terminal connector on the 3012
717
Figure 3: Front view of the Terminal connector on the 3012
717
Table 1: Pinouts for the Terminal connector on the 3012
717
Pinouts of the Transceiver connector on the 3012
718
Figure 4: Front view of the Transceiver connector on the 3012
718
Table 2: Pinouts for the Transceiver connector on the 3012
718
3012-Brief description
719
03-01080
721
General information
722
DSP modem
722
Transceiver interface
722
Terminal interface
722
3012-Technical description
724
DSP Modem PCB
725
Digital signal processor and CoDec
725
Memory
725
Logic and interfacing
725
Throughput indicator
726
Power supply
726
User Connector PCB
727
Transceiver interface
727
Serial ports
727
3012-Fault finding
728
Adjustments and routine maintenance
729
PCBs and units available as replacements
729
Table 3: Replacement PCBs and units for the 3012
729
Basic fault finding
730
Table 4: Basic fault finding for the 3012
730
Advanced fault finding
731
What you need
731
Dismantling the data modem
731
Figure 5: Exploded view of the 3012
732
Accessing the inside of the data modem
732
Accessing the DSP Modem PCB
732
Removing the rear panel assembly
733
Fault finding the power supply in the data modem
733
Testing voltages on the User Connector PCB
733
Testing voltages on the DSP Modem PCB
734
Testing the HF subsystem
734
Testing the serial interface
735
3012-Parts lists
736
Table 5: 3012 parts lists index
736
08-05860-001
738
08-05861-001
743
3012-Drawings
747
Table 6: 3012-list of drawings
747
04-03366 (sheet 1)
749
04-03366 (sheet 2)
750
08-05860 (sheet 1)
751
08-05860 (sheet 2)
752
04-03367
753
08-05861
754
8571-Index
755
8571-Overview and specifications
757
Overview
758
Figure 1: Basic layout for a split-site remote control NGT system
758
Master site
759
Slave sites
759
Specifications
760
General
760
Environmental
760
Physical
761
Pin connections
762
Figure 2: Rear panel of the 8571
762
Pinouts of the Tcvr Control connector on the 8571
762
Figure 3: Front view of the Tcvr Control connector on the 8571
762
Table 1: Pinouts of the Tcvr Control connector on the 8571
762
Pinouts of the Option I/O connector on the 8571
763
Pinouts of the Tcvr Audio connector on the 8571
763
Figure 4: Front view of the Tcvr Audio connector on the 8571
763
Table 2: Pinouts of the Tcvr Audio connector on the 8571
763
Pinouts of the DC Supply connector on the 8571
764
Figure 5: Front view of the DC Supply connector on the 8571
764
Table 3: Pinouts of the DC Supply connector on the 8571
764
Pinouts of the Line connectors on the 8571
765
Figure 6: Front view of the Option 2-wire connector on the 8571
765
Table 4: Pinouts of the Option 2-wire connector on the 8571 (15-10509-001)
765
Figure 7: Front view of the Option 4-wire connector on the 8571
766
Table 5: Pinouts of the Option 4-wire connector on the 8571 (15-10510-001)
766
Pinouts of the 15-way GPIO connector on the split-site interface controller
767
Figure 8: Front view of the 15-way GPIO connector on the split-site interface controller
767
Table 6: Pinouts of the 15-way GPIO connector on the split-site interface controller
767
8571-Brief description
769
03-01108
771
General information
772
Receive audio path
772
Transmit audio path
773
Microprocessor control and signalling
773
Automatic line equalisation
773
8571-Technical description
774
Backplane and power supply
775
Receive audio path
776
Receive audio from transceiver
776
300 Hz notch filter and audio compressor
776
Receive audio bus and audio gate
777
Line driver and hybrid
777
2-wire interface
777
4-wire interface
778
Transmit audio path
779
2-wire or 4-wire interface
779
Hybrid
779
Gain and equalisation stage
779
Low-pass filter, audio gate and transmit audio bus
780
300 Hz notch filter
781
Transmit audio to split-site interface controller and transceiver
781
Signalling and microprocessor
782
Microcontroller bus
782
Internal I2C bus
782
300 Hz control tone-generation and detection
783
Signalling modem
784
Signalling format
785
Transceiver control logic
785
RS232 port
785
Automatic equalisation
787
Figure 9: Location of switch S1
787
Multi-line capability
789
8571-Fault finding
790
Dismantling the NGT Split-site Remote Interface 8571
791
Fault finding
792
Voltage measurements
792
Table 7: Supply voltages for the Backplane PCB
792
Table 8: Supply voltages for the Microprocessor & TCVR Interface PCB
792
Table 9: Supply voltages for the Dual Line Equaliser PCB
793
No signalling
793
Checking the master 8571
793
Checking other equipment
793
Checking the slave 8571
794
No reception, with signalling
795
Checking the 8571s
795
Checking the transceiver
796
No reception, without signalling
796
Checking the line
796
Checking the 8571s
797
Checking the transceiver
797
No transmission, with signalling
798
Checking the master 8571
798
Checking the slave 8571
798
Checking the transceiver
799
8571-Parts lists
800
Table 10: 8571 parts lists index
800
08-05994-001
802
08-03905-002
803
08-03993
811
08-05995-001
816
08-04644-001
819
08-03817
822
08-03995-001
823
8571-Drawings
824
Table 11: 8571-list of drawings
824
08-05994 (sheet 1)
826
08-05994 (sheet 2)
827
04-02541
828
08-03905
829
04-02690
830
08-03993
831
04-02691
832
08-05995
833
04-02852
834
08-04644
835
04-02487
836
08-03817
837
08-03995
838
15-10509-001
839
15-10510-001
840
4
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Codan NGT 2010 RF Specifications
General
Brand
Codan
Model
NGT 2010 RF
Category
Transceiver
Language
English
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