TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 614 of 855

TM 9-2350-277-20-1

DRIVER’S VISION ENHANCER (DVE) DISPLAY DOES NOT WORK — Continued

0116 01

AY

1.

Remove power cable connector 516B P2 (1) from connector

A1J1 (2) on driver’s display. Use a multimeter on connector

516B P2 pin A (1) and pin B to check for voltage.

2.

Turn DVE power switch ON. See TM 9-2350-277-10.

3.

Is voltage reading less than 16 volts?

AYN

1.

Faulty display. Replace display. See

TM 9-2350-277-10. If commander’s

display is good, swap with driver’s

displaytoverify(M58only)

.

2.

Verify no faults found.

A2Y

1.

Turn DVE power switch OFF. See TM 9-2350-277-10.

2.

Remove power cable connector 516B P1 or connector

W3P4 (2) from DVE power switch (1). Use a multimeter

on DVE power switch to check for continuity. Turn DVE

power switch ON and OFF.

3.

Does multimeter read 0 ohms when DVE power switch is ON?

A2YN

1.

Faulty DVE power switch. Replace

DVE power switch (WP 0282 00).

2.

Verify no faults found.

011601-3

Change 5