TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

  TM-9-2350-311-20-2 - Page 227 of 828

TM 9–2350–311–20–2
3–115
CONTINUED FROM STEP P
1.
Place one multimeter lead on pin A of J803
connector and other lead to ground.
2.
Check for continuity.
Is continuity present?
yes
no
Q
Replace control box (para
8–16). If problem persists,
replace amplifier AM
1780/VRC (para 8–16).
Replace control box (para
8–16).
END OF TASK
J803 CONNECTOR PIN A
+
DRIVER’S CONTROL BOX


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