TM 5-6675-316-14
2-20. MAINTENANCE PROCEDURES.
This section contains instructions covering direct/general support maintenance
functions for the composing machine. Personnel required are listed only if the task
requires more than one.
b. After completing each maintenance procedure, perform operational check to be
sure equipment is properly functioning.
INDEX
PARAGRAPH
PROCEDURES
Perform Diagnostic Test . . . . . . . . . . . . . . . . . . . . . . . . 2-20.1
Replace Carriage Escapement Board, LVC Board, Font Interface III Board,
D/A and Stepper II Board, Keyboardand Interface III Board, and
Character Generator S/A2 Board . . . . . . . . . . . . . . . . . . . . . 2-20.2
Replace 8K X 8 RAM Board , 32K ROM/PROM Board, CPU Data Board,
and CPU Control Board. . . . . . . . . . . . . . . . . . . . . . . . . .2-20.3
Replace Disc Track LED and Cable Assembly. . . . . . . . . . . . . . . . 2-20.4
Replace Driver Supply Board . . . . . . . . . . . . . . . . . . . . . .2-20.5
Replace Bridge Rectifier . . . . . . . . . . . . . . . . . . . . . . .2-20.6
Replace Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . .2-20.7
Replace Stepping Motor... . . . . . . . . . . . . . . . . . . . . . .2-20.8
Replace Shutter Assembly . . . . . . . . . . . . . . . . . . . . . . . .2-20.9
Replace Carriage Cables . . . . . . . . . . . . . . . . . . . . . . . .2-20.10
Replace Carriage Motor.... . . . . . . . . . . . . . . . . . . . . .2-20.11
Replace InterlockSwitch . . . . . . . . . . . . . . . . . . . . . . . .2-20.12
Replace Row ShiftMotor . . . . . . . . . . . . . . . . . . . . . . . .2-20.13
Adjust Setting onCompatibility Switches . . . . . . . . . . . . . . . . 2-20.14
Replace Brightness Control . . . . . . . . . . . . . . . . . . . . . . .2-20.15
Replace Film Out Switch. . . . . . . . . . . . . . . . . . . . . . . . .2-20.16
Replace Movable Knife . . . . . . . . . . . . . . . . . . . . . . . . .2-20.17
Replace Font Pickup PC Board . . . . . . . . . . . . . . . . . . . . . .2-20.18
Replace Variator/Collimator Motor(s) . . . . . . . . . . . . . . . . . . 2-20.19
2-194
