TM 55-4920-428-13
Chapter 6
P A R T S B R E A K D O W
SECTION I INTRODUCTIO
N
6 - 1 . P u r p o s e
.
This chapter describes and illustrates the assemblies and detail parts required for maintenance of the
ILCA Bench Test Set 145GS278-1. Part numbers are for reference only. Refer to TM 55-4920-428-30P for
parts requisition.
a. This chapter consists of an Introduction, Index of Reference Designations, Index of Part Num-
bers, and Detailed Parts List.
6-2. Reference Designation Index. This index consists of all the reference designations shown on
schematic and wiring diagrams and on subassemblies of this test set. The index is arranged in columns
as follows:
a. The Reference Designation column contains the reference designations in alphanumerical se-
quence. Reference Designation Numbers for detail parts of electronic or subassembly are prefixed with
the Reference Designation Number for the component.
b. The Figure and Index number columns contain the figure, and item number assigned to parts
having electrical and electronic reference designation codes.
REFERENCE DESIGNATION
FIGURE
INDEX
D1
J1
J2
J3
J4
J5
J6
J7
J8
J9
M1
M2
PCA-1
PCA-2
P S
1
P S
2
P S
3
R1 thru R4
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
6-3
48
54
37
36
37
36
35
54
34
55
60
60
82
82
5
33
8
69
6-1