TM 1-1270-476-30
1-26
1-21. DESCRIPTION OF INDIRECT VIEW DISPLAY (IVD) ELECTRONICS ASSEMBLY
The IVD assembly interfaces with the lower ORC assembly. The IVD assembly contains the ORT control
electronics, the heads down display, and provides the heads out display with control electronics and
video.
Major assemblies are:
Brightness CCA A1
Contrast CCA A2
BITE CCA A3
Relay drive CCA A4
Motor drive CCA A5
Video preamplifier CCA A2A4
Bit pattern generator CCA A2A5
Vertical Sync CCA A2A6
Horizontal deflection driver CCA A2A7
Relay driver CCA A2A9
Horizontal deflection No. 2 A2A8
Shielded fan assembly A4
CRT module assembly A1
Vertical output and width regulator CCA
A13
Video output CCA A14
High voltage power supply assembly A3
Focus regulator CCA A15
Low voltage power supply assembly A12