Table of Contents
3.2.4.4
3.2.4.5
3.2.4.6
3.2.4.7
3.2.5
VOCON Audio Paths ...................................................................................................... 3-32
3.2.5.1
3.2.5.2
3.2.6
Radio Power-Up/Power-Down Sequence....................................................................... 3-33
3.3
Encryption Module ....................................................................................................................... 3-34
4.1
Handling Precautions..................................................................................................................... 4-1
4.2
Recommended Service Tools........................................................................................................ 4-2
4.3
4.4
Standard Bias Table ...................................................................................................................... 4-4
4.5
Power-Up Self-Check Errors ......................................................................................................... 4-5
4.6
5.1
5.2
5.3
Power-Up Failure........................................................................................................................... 5-3
5.4
DC Supply Failure.......................................................................................................................... 5-5
5.5
5.6
Display Failure (NTN9564) .......................................................................................................... 5-11
5.7
Volume Set Error ......................................................................................................................... 5-14
5.8
Channel/Zone Select Error .......................................................................................................... 5-15
5.9
Button Test .................................................................................................................................. 5-16
5.10 Top/Side Button Test ................................................................................................................... 5-17
5.11 VCO TX/RX Unlock ..................................................................................................................... 5-18
5.12 VOCON TX Audio........................................................................................................................ 5-19
5.13 VOCON RX Audio ....................................................................................................................... 5-21
5.14 RX RF .......................................................................................................................................... 5-23
5.15 TX RF (VHF) ................................................................................................................................ 5-28
5.17 Keyload Failure............................................................................................................................ 5-34
5.18 Secure Hardware Failure............................................................................................................. 5-35
6.1
List of Waveforms .......................................................................................................................... 6-1
6.2
13 MHz Clock ................................................................................................................................ 6-2
6.3
6.4
32.768 kHz Clock Outputs ............................................................................................................. 6-4
6.5
SPI B Data ..................................................................................................................................... 6-5
6.6
6.7
6.8
6881094C31-C
Display Module ...................................................................................................... 3-29
Keypad Module...................................................................................................... 3-30
Controls and Control Top Flex............................................................................... 3-30
System Clocks ....................................................................................................... 3-31
Transmit Audio Path .............................................................................................. 3-32
Receive Audio Path ............................................................................................... 3-33
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October 14, 2003