CONTENTS
Chapter1. GENERAL
1.1Outline...........................................................................1-1
1.2 Boards & Major Components .....................................1-2
1.3 Specifications................................................................1-3
Chapter 2. BLOCK DESCRIPTION
2.1 Overview.......................................................................2-1
2.2 Block Diagram of Display Unit....................................2-2
Function of Each Board (Display Unit)..........................2-3
Start-up Sequence ..........................................................2-5
ARPA start-up sequence.................................................2-6
Block Diagram of Display SPU Board...........................2-7
Video Signal Flow .........................................................2-8
Block Diagram of SPU Board (Video Amplifier) ...........2-9
Auto Tuning Function....................................................2-10
Tuning Indication...........................................................2-11
Manual Tuning...............................................................2-11
Tuning Circuit................................................................2-11
Echo averaging (EAV 1/2/3)...........................................2-12
Memories & Memory Frame Priority.............................2-13
Antenna on/off Control ..................................................2-14
Check of ARP and RP board Connection .......................2-15
ARP-23 vs. ARP-26.......................................................2-15
Simple ARPA block diagram .........................................2-16
ARPA block diagram .....................................................2-17
ARPA target acquisition and Tracking............................2-18
ARPA INITIAL SETTING MENU................................2-19
Block Diagram of RP Board...........................................2-22
INPUT/OUTPUT Data on INT Board (03P9252)...........2-23
Sentences Receivable at J450 on INT-9170....................2-24
Radar and ARPA output signal from INT-9170..............2-25
Monitor signal from J449...............................................2-26
Power Supply Circuit (DC) ............................................2-27
Power Supply Circuit (AC) ............................................2-29
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