TM 1-1520-238-23
8-50
Change 3
8.19.
SIGNAL DATA CONVERTER CIRCUIT CARD REPLACEMENT (AVIM)
8.19.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
8.19.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
#1 phillips screwdriver bit (item 35, App H)
PC shunt bar (item 223, App H)
Large wrist grounding strap (item 346, App H)
1 - 100 inch-ounce 1/4-inch hexagon drive click type
torque wrench (item 437, App H)
Materials/Parts:
Cloth (item 52, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 11-6625-3085-30
CAUTION
Static electrical discharge can damage
semiconductors in circuit card. To pre-
vent damage, repairer must wear
grounding strap when panel is off, and
when handling circuit cards.
NOTE
The following task is typical for all circuit
cards in the signal data converter.
8.19.3. Removal
a. Remove right side cover (1) from signal data
converter (2).
(1) Remove four screws (3) and two countersunk
screws (4).
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