Chapter 2---System Description
GRN_THRES
Similar to RED_THRES
BLU_THRES
Similar to RED_THRES
I/O
DESCRIPTION
IIC_DATA
IIC data line. Bidirectional serial line for synchronous data
transfer between SCB and other circuit boards. See detailed
description for list of signals transferred and data direction
IIC_CLK
IIC clock line. Unidirectional clock line for control of
synchronous data transfer over IIC bus.
IIC_INT
Interrupt output to SCB
Raster Timing Generator
INPUT
DESCRIPTION
CLAMP
Pulse signal input from the RTG board. Indicates the commanded
timing and duration of the DC RESTORE.
BLANKING
Pulse signal input from the RTG board. Indicates the commanded
BLANKING interval during the scan.
OUTPUT DESCRIPTION
H_SYNC
Horizontal sync signal to RTG board
V_SYNC
Vertical sync signal to RTG board
GRN_SYNC
Green sync signal to RTG board
GRN_INPUT
Green video signal to RTG board
Video Amplifier
INPUT DESCRIPTION
RED_BEAM
Voltage signal proportional to cathode current averaged
over several horizontal lines in the red CRT. Voltage
level is + mV/
µ
A
GRN_BEAM
Similar to RED_BEAM
BLU_BEAM
Similar to RED_BEAM
/VA_OK
Issued from the VAB to indicate VAB working properly
Model 200 Service Manual
2-27
Содержание 200
Страница 1: ...SERVICE MANUAL Model 200 Projector ...
Страница 10: ...Safety Information Model 200 Service Manual x ...
Страница 14: ...Chapter 1 Introduction 1 4 Model 200 Service Manual ...
Страница 20: ...Chapter 2 System Description Figure 2 1 Optical System Block Diagram 2 6 Model 200 Service Manual ...
Страница 79: ...Chapter 2 System Description Model 200 Service Manual 2 65 ...
Страница 121: ...Chapter 4 Maintenance Removal Replacement 4 24 Model 200 Service Manual ...
Страница 131: ...Chapter 5 Troubleshooting 5 10 Model 200 Service Manual ...
Страница 140: ...Glossary Model 200 Service Manual B 5 ...