CHAPTER 3 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS

TM 11-5895-1123-34

CHAPTER 3

DIRECT SUPPORT MAINTENANCE INSTRUCTIONS

Section I. TOOLS AND TEST EQUIPMENT

3-1.

General

a. This chapter contains the procedures required

d. To aid in troubleshooting, wiring tables and dia

to perform corrective maintenance on the AN/ TSC-86

grams for the various CSS equipments are included in

communications subsystem (CSS) equipments which

this manual as follows:

are not covered in other technical manuals.

Communications TTY/FSK Patch Panel

Table 3-1

VF Patch Panel

Table 3-2

b. Prior to repairing a defective unit, a thorough

TTY/Low Level Patch Panel

Table 3-3

visual inspection should be given to locate broken or

IIF Patch Panel

Fig. FO-1

otherwise defective components that are not noted on

Central Distribution Frame

Fig. FO-2

the repair tag.

Voltage Regulator Monitor Panel

Fig. FO-3

Communications Subsystem

Fig. FO-4

c. Each major unit to be maintained is assigned a

Control Monitor-48V/20Hz

Table 3-4

separate section in this chapter. Each section includes

TTY Loop Monitor

Table 3-5

e. Figures 3-5 and 3-6 show reference designa

instructions for removal of the unit from its rack in the

tions of the VF and TTY/low level patch panels.

CSS, replacement of defective components, and

reinstallation of the unit in its rack.

TABLE 3-1. Wiring List for Communications TTY/FSK Patch Panel

FR0M

J1-A

A1J1-A1

J5-a

A1J17-B2

J5-A

A1J9-B1

J1-B

A1J1-A2

J2-b

A1J18-A1

J5-B

A1J9-B2

J4-A

A11J-B1

J2-c

A1J18-A2

J3-A

A2J1-B1

J4-B

A1J1-B2

J5-b

A1J18-B1

J3-B

A2J1-B2

J2-D

A1J10-A1

J5-c

A1J18-B2

J3-D

A2J2-B1

J2-E

A1J10-A2

J1-D

A1J2-A1

J3-E

A2J2-B2

J5-D

A1J10-B1

J1-E

A1J2-A2

J3-G

A2J3-B1

J5-E

A1J10-B2

J4-D

A1J2-B1

J3-H

A2J3-B2

J2-G

A1J11-A1

J4-E

A1J2-B2

J3-K

A2J4-B1

J2-H

A1J1-A2

J1-G

A1J3-A1

J3-L

A2J4-B2

J5-G

AJ111-B1

J1-H

A1J3-A2

J3-N

A2J5-B1

J5-H

A1J11-B2

J4-G

A1J3-B1

J3-P

A2J5-B2

J2-K

A1J12-A1

J4-H

A1J3-B2

J3-S

A2J6-B1

J2-L

A1J12-A2

J1-K

A1J4-A1

J3-T

A2J6-B2

J5-K

A1J12-B1

J1-L

A1J4-A2

J2-C

J3-C

J5-L

A1J12-B2

J4-K

A1J4-B1

J2-F

J3-F

J2-N

A1J13-A1

J4-L

A1J4-B2

J2-J

J3-J

J2-P

A1J13-A2

J1-N

A1J5-A1

J2-M

J3-M

J5-N

A1J13-B1

J1-P

A1J5-A2

J2-R

J3-R

J5-P

A1J13-B2

J4-N

A1J5-B1

J2-U

J3-U

J2-S

A1J14-A1

J4-P

A1J5-B2

J1-a

J4-a

J2-T

A1J14-A2

J1-S

A1J6-A1

JJ1-c

J4-C

J5-S

A1J14-B1

J1-T

A1J6-A2

J1-F

J4-F

J5-T

A1J14-B2

J4-S

A1J6-B1

J1-M

J4-M

J2-V

A1J15-A1

J4-T

A1J6-B2

J1-R

J4-R

J2-W

A1J15-A2

J1-V

A1J7-A1

J1-U

J4-U

J5-V

A1J15-B1

J1-W

A1J7-A2

J1-X

J4-X

J5-W

A1J15-B2

J4-V

A1J7-B1

J1-J

J4-J

J2-X

A1J16-A1

J4-W

A1J7-B2

J2-C

J5-C

J2-Y

A1J16-A2

J1-Y

A1J8-A1

J2-F

J5-F

J5-X

A1J16-B1

J1-Z

A1J8-A2

J2-J

J5-J

J5-Y

A1J16-B2

J4-Y

A1J8-B1

J2-M

J5-M

J2-Z

A1J17-A1

J4-Z

A1J8-B2

J2-R

J5-R

J2-a

A1J17-A2

J2-A

A1J9-A1

J2-U

J5-U

J5-Z

A1J17-B1

J2-B

A1J9-A2

3-1