Watkins-Johnson Company WJ-8718A/MFP Instruction Supplement page 11

WJ-8718A/MFP
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TABLE OF CONTENTS (Cont'd)
SECTIONll
INSTALLATION AND OPERATION (Cont'd)
CONTENTS
2.4.5.4
2.4.5.4.1
2.4.5.4.1.1
2.4.5.4.2
2.4.5.4.2.1
3.1
3.1.1
3.1.1.1
3.1.2
3.1.2.1
3.1.2.2
3.1.2.2.1
3.1.2.2.2
3.1.2.2.3
3.1.2.2.4
3.1.2.2.5
3.1.3
3.1.3.1
3.1.3.2
3.1.3.2.1
3.1.3.2.2
3.1.3.3
3.1.3.3.1
3.1.3.3.2
3.1.3.3.3
3.1.3.3.4
3.1.3.4
3.1.3.4.1
3.1.3.4.2
3.1.3.4.3
3.1.3.5
3.1.3.6
3.1.3.7
3.1.3.8
3.1.3.9
3.1.3.9.1
Parameter Data ........•...........•..............•..........•.....
Command Data Format ......•.•.....................................
Remote Command Programming ..................•..•................
Monitor Data Format .......................................•........
Remote Monitor Programming .
SECTION
m
CIRCUIT DESCRIPTION
Microprocessor Front Panel Assembly Circuit Descriptions .
Type 791202-5 Encoder Assembly (MFP-A2) ............•.....•.........
Optical Encoder (VI) •.•..........•.....••.......••....•............•
Type 794310-X Front Panel Switch/Encode Assembly (MFP-A1) .
Headphone Audio Amplifiers (MFP-Al, VIA, V1B) . •..•.•............•.•.
Type 794309-X Front Panel Switchboard (MFP-A1A2) .
Group 1 Switch Matrix (SI Through S20) ...•...........•....•...........
Group 2 Switch Matrix (S21 Through S56) .....•...........•.........••.
LED Indica tors .
LED Displays ........................................•••......•.....
Voltage Regulator (VI) ..•...•.•••••••.•••••..••.••.•••...•...•••....
Type 796056-1 Front Panel Encode (MFP-AIAl) .•..............•....•..
Address Latch (V 18) ..........................•..•...................
Address Decoder (V19) •.. .•..•••..••..•.••••••.••••....••••.•••...•..
DI9 Enable .
V19
Select ...•••...•.•....................•....•.......••..........
Intel 8279 Programmable Keyboard/Display Interface (VI, V2) .••.••.•.••.
I/O Control and Data Buffers ......•...•.....•.........................
Control and Timing Sections ..........•.....•..............•...••.....
Return Line Circuits .........................................•...•..
Display Circuits ..........•...............•••..•....................
Group 1 Interface (VI) ..•..••.••..•.••.•.••••.•..•••..•.••..••.•.••..
VI Control Inputs (CS, AO, WR, RD) ...•..••....•.•...••..•••.•.•.••..
VI Scan Line Outputs/Return Line Inputs ..•..•.......••.•.•.....•......
U1 Output Ports BO Through B3 •..•...•........•....•..•......•.......
Column Drivers (VII) .
Multiplexer (U4) .
Cathode Drivers
(V5, V6) .
Display Driver (V 3) ••.••••.•...•....•.•••••••••••.•...•.•....••......
Group 2 Interface
(V2) .•.•.•••••.••••••••••••••.••••.•.•••••••.••••.•
V2
Control Inputs (CS, AO, WR, RD) .........•...........•............
2-26
2-26
2-26
2-30
2-30
3-1
3-1
3-1
3-1
3-1
3-5
3-5
3-5
3-6
3-6
3-6
3-7
3-7
3-7
3-8
3-8
3-9
3-10
3-11
3:"11 .
3-11
3-12
3-12
3-12
3-13
3-13
3-13
3-13
3-14
3-14
3-14
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