CONTENTS
Chapter1. GENERAL
1.1Outline .............................................................................................1-1
1.2 Boards & Major Components..........................................................1-2
1.3 Specifications..................................................................................1-4
Chapter 2. BLOCK DESCRIPTION
2.1 Overview.........................................................................................2-1
2.2 Block Diagram of Display Unit .......................................................2-2
2.3 Function of Each Board (Display Unit)............................................2-4
2.4 Start-up Sequence............................................................................2-6
2.5 Block Diagram of SPU Board..........................................................2-8
2.6 Video Signal Flow...........................................................................2-9
2.7 Block Diagram of SPU Board (Video Amplifier).............................2-10
2.8 Auto Tuning Function......................................................................2-11
2.9 Tuning Indication ............................................................................2-12
2.10 Manual Tuning ..............................................................................2-12
2.11 Tuning Circuit ...............................................................................2-12
2.12 Echo averaging (EAV 1/2/3)..........................................................2-13
2.13 Echo Stretch 1/2 and Enhanced video............................................2-14
2.14 Memories & Memory Frame Priority.............................................2-15
2.15 Antenna on/off Control..................................................................2-16
2.16 Check of ARP and RP board Connection.......................................2-17
2.17 ARP-23 vs. ARP-26 ......................................................................2-17
2.18 Simple ARPA block diagram.........................................................2-18
2.19 ARPA block diagram.....................................................................2-19
2.20 ARPA target acquisition and Tracking ...........................................2-20
2.21 ARPA Land Discrimination...........................................................2-20
2.22 ARPA INITIAL SETTING MENU................................................2-21
2.23 Block Diagram of RP Board..........................................................2-24
2.24 INPUT/OUTPUT Data on INT Board (03P9252) ..........................2-25
2.25 Sentences Receivable at J450 on INT-9170 ...................................2-26
2.26 Radar and ARPA output signal from INT-9170..............................2-27
2.27 Monitor signal from J449...............................................................2-28
2.28 Power Supply Circuit (AC)............................................................2-29
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