Codan NGT 2010 RF User Manual

Index
Index-2 NGT Transceiver System Technical Service Manual
D
dismantling
3012
310
8571
352
NRI
275
drawings
3012
317
8571
363
high power
247
NGT
201
NRI
289
driver bias
adjusting
176
DSP Modem PCB
304
testing
313
Dual Line Equaliser PCB
supply voltages
354
E
electromagnetic compatibility and safety notices
compliance
earth symbols
22
electrical safety
22
electromagnetic compatibility
21
F
fault finding
3012
307
8571
351
high power
235
NRI
269
filter
second IF
102
Filter and Control PCB
microprocessors and control
100, 127
supply voltages
74, 108, 151
H
Handset PCB
supply voltages
72, 106, 147
high output power
adjusting
180
high power
adjustments
235
brief description
219
drawings
247
fault finding
235
overview
207, 208
parts lists
245
pin connections
211
specifications
207, 209
technical description
225
I
integrated circuits 25
intermodulation
checking
187, 195
distortion
187
L
LED indicators
3012
294
NRI
273
low output power
adjusting
182
M
maintenance 25
circuit boards
component replacement
27
component substitution
27
excessive heat
26
integrated circuit replacement
28
unsoldering
27
CMOS devices
grounding
26
handling
26
packaging
26
switching off
26
general
dynamic transistor tests
25
integrated circuits
25
spare boards
25
static transistor tests
25
precautions
probe
28
transmitter
28
Microprocessor & TCVR Interface PCB
supply voltages
353
Microprocessor PCB
supply voltages
72, 147
N
NGT
brief description
2010
55
2011/2012
63
channel additions
129
checks and adjustments
145
drawings
201
overview
33, 34
parts lists
197
pin connections
41
specifications
33, 36
technical description
2010
69
2011/2012
103

Codan NGT 2010 RF Specifications

General

Brand	Codan
Model	NGT 2010 RF
Category	Transceiver
Language	English