TM 1-1270-476-30
4-303
4-37. INDIRECT VIEW DISPLAY (IVD) ELECTRONICS ASSEMBLY 2A3 REPAIR
This task covers replacement of:
Para
Item
1.
Bottom assembly cover
2.
Top assembly cover
3.
Rear assembly cover
4.
Optical relay tube (ORT) control
electronics assembly CCA A1 thru
A5
5.
Fan assembly
6.
Circuit card assembly (CCA) A2A4
thru A2A9
7.
Circuit card assembly (CCA) A13 or
A14
Para
Item
8.
Circuit card assembly (CCA) A15
9.
Cathode ray tube (CRT) module
assembly A1
10.
High voltage power supply assembly
A3
11.
Low voltage power supply assembly
A12
12.
EM1 gaskets
13.
Intake air filters
INITIAL SETUP
Tools
Aircraft armament repairman tool set damage
Aircraft armament technical inspector tool set
Face shield
Rubber gloves
Rubber apron
Materials (appendix C)
Conductive nickel RTV adhesive
(Item 3)
Corrosion inhibitive sealing coating compound
(Item 16)
Insulation sleeving (Item 32)
Masking tape (Item 59)
Personnel Required
68J Aircraft Fire Control Repairer
66J30 Aircraft Armament Technical Inspector
CAUTION
While performing this procedure keep all
exposed lens covered with lens paper to
prevent damage to coated optical surfaces.
NOTE
During any maintenance task listed above,
remove top assembly cover (2 below) and
inspect intake air filters for cleanliness. If
cleaning is required, remove filter (13 below)
and blow clean with dry air or nitrogen. Install
filter and top assembly cover.
