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SELECTABLE DIGITAL DISPLAY (SDD) PANEL SWITCH MODULE REPLACEMENT (AVIM) | Up
TM-1-1520-238-23-5 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
SELECTABLE DIGITAL DISPLAY (SDD) PANEL CIRCUIT CARD REPLACEMENT (AVIM) – continued |
TM 1-1520-238-23
8-42
8.16.
SELECTABLE DIGITAL DISPLAY (SDD) PANEL CIRCUIT CARD REPLACEMENT
(AVIM)
8.16.1. Description
This task covers:
Removal. Installation.
8.16.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
PC shunt bar (item 223, App H)
Large wrist grounding strap (item 346, App H)
Materials/Parts:
Shipping and storage bag (item 182, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
Equipment Conditions:
Ref
Condition
8.14
SDD panel front panel removed
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
This task is typical for all circuit cards in
the SDD.
8.16.3. Removal
a. Remove SDD circuit card (1) from SDD case
(2).
(1) Pull card (1) forward to release mating con-
nector (3). Wear grounding strap.
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